Main Menu
- Home
- Products
- System Solutions
- Compact Range Systems
- Radome Measurement Systems
- Near-Field Systems
- Far-Field Systems
- RF Scene Generators™
- Pre-Configured Systems
- Planar Near-Field Measurement System 0.9 x 0.9 meters
- Planar Near-Field Measurement System 1.5 x 1.5 meters
- Planar Near-Field Measurement System 1.8 x 1.8 meters
- Spherical Near-Field Measurement System 0.7 meters
- Spherical Near-Field Measurement System 1.3 meters
- Pre-Configured Compact Range Measurement System
- Test Services
- Customer Support
- Antenna Products
- Broadband Ridged Probes
- Broadband Horn Antennas
- Quad Ridged Feeds
- Focused and Aligned Parabolic Reflectors and Waveguide Feeds
- Log-Periodic Antennas
- Dual Polarized Log-Periodic Antennas
- Standard Gain Horn Assemblies
- Coax-to-Waveguide Adapters
- Standard Gain Horns
- Dual Polarized Feeds
- Linear Polarized Feeds
- Waveguide Probes
- Dual Polarized Probes
- Compact Range Reflectors
- Mechanical Products
- Electronic Products
- Software Products
- EIRP Analysis
- EIRP Analysis
- Antenna Gain Calibration Analysis
- Spherical Near-Field Analysis
- Advanced Antenna Pattern Correction
- Cylindrical Near-Field Analysis
- Planar Near-Field Analysis
- NSI2000 Professional Edition Upgrade
- NSI2000 Standard Edition Software
- Arena Data Acquisition Software
- Radome Analysis
- RCS Analysis
- Range Control System Software
- Ground Plane Data Simulator
- Time Domain Analysis
- Test Zone Analysis
- Arena Drivers
- NSI2000 Drivers
- MARS Reflection Suppression Software
- Motion Tracking Interferometer Software
- Antenna Reflectivity Analysis
- Anechoic Products
- System Solutions
- News and Events
- Events
- Latest News
- NSI-MI Technologies Receives A2LA Accreditation
- Basic Rules for Anechoic Chamber Design
- NSI and MI Technologies Merge
- 8 Axis Robotic Antenna Measurement System (RAMS)
- A New Positioner launched in our Next Generation Line
- If you think you've seen big, meet the World's Largest HPNF
- RAMS with NEW Lidar Safety feature
- Telemedicine
- Scott McBride, Significant Contributor
- AMTA 2016 Best Paper Awarded to Brett Walkenhorst and Dave Tammen
- Vince Rodriguez appointed Adjunct Research Professor within the School of Electrical Engineering at The University of Mississippi
- Attention All Engineers, NSI-MI is hiring!
- Spring Short Course
- Join us at Satellite 2018
- 2018 AMTA/IEEE Regional Symposium Event
- Join us at EuCAP 2018
- Join us at 5G North America
- Join us at Space Tech Expo
- Attention! NSI-MI is hiring!
- NSI-MI’s Annual Fall Short Course
- Join us at TU-Automotive Detroit 2018
- Join us at the International Microwave Symposium
- Join us at IEEE APS/URSI
- Join us at #MWCA18
- The Antenna Measurement Standard IEEE 149 Finally Gets an Update
- NSI-MI Technologies acquires Frequensys Limited
- Test facility boosts UK space industry
- Daniel Janse van Rensburg’s Adjunct Professor appointment renewed
- Anechoic Range Design For Electromagnetic Measurements
- NSI-MI’s Annual Spring Short Course
- Using High-Accuracy Swing Arm Gantry In Spherical Near-Field Automotive Measurement Systems
- Numerical Analysis of Techniques to Improve Oblique Incidence of Absorber
- Numerical Study of the RCS of Pyramidal Absorber Geometries
- Theory and Practice of Modern Antenna Range Measurements, 2nd Expanded Edition
- Virtual Short Course
- AMETEK acquires NSI-MI Technologies
- Virtual Short Course
- NSI-MI Store is live!
- Short Course
- Applications
- Library
- Technical Papers and Articles
- 2017 Technical Papers
- Attenuating Tunnels for Accessing Shielded Enclosures
- Digitally Reconfigurable Approach to Compact Antenna Test Range Design
- Examination of the Effectiveness of Far-field Mathematical Absorber Reflection Suppression in a CATR Through Computational Electromagnetic Simulation
- Thermal Noise Effects of a Simple Correlator for High Dynamic Range Measurements
- Validation of the Polynomial for RF Absorber Reflectivity for the Prediction of Anechoic Chambers
- A Multi-Robot Large Antenna Positioning System for Over-The-Air Testing at NIST
- Acquisition, Reconstruction, and Transformation of a Spiral Near-Field Scan
- Characterization of a Photonics E-Field Sensor as a Near-Field Probe
- Comparing Predicted Performance of Anechoic Chambers to Free Space VSWR Measurements
- Effects due to Antenna Mount in Base Station Antenna Measurements
- Group Delay Measurement For Satellite Payload Testing
- Measurement of Antenna System Noise Temperature Using Planar Near-Field Data
- On The Design of Door-Less Access Passages to Shielded Enclosures
- On the Disadvantages of Tilting the Receive End-Wall of a Compact Range for RCS Measurements
- The 7 Common Habits of Highly Effective RF Target Simulators
- Verification of Spherical Mathematical Absorber Reflection Suppression in a Combination Spherical Near-Field and Compact Antenna Test Range
- 2019 Technical Papers
- A Method for the Measurement of RF Absorber using Spectral Domain Transformations
- 3:1 Bandwidth Dual Polarized Feeds for Compact Range and Near-Field Probes
- Customized Spherical Near-Field Test Time Reduction for Wireless Base Station Antennas
- A Robotic Near-Field Antenna Test System Relying on Non-Canonical Transformation Techniques
- A Review of the Changes and Additions to the Antenna Measurement Standard IEEE Std 149
- A Methodology for Instantaneous Polarization Measurements Using a Calibrated Dual-Polarized Probe
- Advances in Characterizing Complex Frequency Responses of Frequency Converting Payloads in Planar Near-Field Test Ranges
- A Review of the CW-Ambient Technique for Measuring G/T in a Planar Near-Field Antenna Range
- Test Environments for 5G Millimeter-Wave Devices
- Measuring a 5G Millimeter-Wave Device’s Spherical Coverage
- A Straightforward Dynamic Range Error Analysis
- CATR Quiet Zone Depth Variation
- Measurement of RF Absorber at Large Angles of Incidence using Spectral Domain Transformations
- Practical Considerations in Compressed Spherical Near-Field Measurements
- Recent Changes to the IEEE std 1502 Recommended Practice for Radar Cross-Section Test Procedures
- Update of IEEE Std 1720-2012 Recommended Practice for Near-Field Antenna Measurements
- Proposed Changes and Updates on IEEE Std 1128 - Recommended Practice on Absorber Evaluation
- 2020 Technical Papers
- Revisiting the Poincaré Sphere as a Representation of Polarization State
- Numerical Study of Chebyshev RF Absorber Arrangements Versus Tilted RF Absorber Pyramids
- Reducing Phase-Measurement Errors due to RF-Source Band Breaks
- Additive Manufactured 3:1 Bandwidth Dual-Polarized Range Antenna
- Automotive OTA Measurement Techniques and Challenges
- Challenges for the Automotive Industry on MIMO OTA Testing
- Definition, Implementation, and Evaluation of a Novel Spiral-Sampling Technique
- Numerical Analysis of Techniques to Improve Oblique Incidence of Absorber
- Numerical Study of the RCS of Pyramidal Absorber Geometries
- Using High-Accuracy Swing Arm Gantry In Spherical Near-Field Automotive Measurement Systems
- 2021 Technical Papers
- Near-Field Test Challenges of High Frequency Digital Phased Array Antennas
- 3:1 Bandwidth Dual-Polarized Compact Range Feeds for RCS Measurements
- A Dual-Band High Power PNF Range with Interleaved T/R and Pulse Synchronization
- Holographic PNF Filtering Based On Known Volumetric AUT Bounds
- Implementation and Validation of a Satellite Payload Test Suite for Planar Near Field Test Ranges
- Numerical Study of the Effects of Absorber Permittivity Variations on Quiet Zone Illumination of Tapered Chambers
- 2022 Technical Papers
- Comparison of Measurements and Simulations of Tapered Anechoic Chambers
- A Trade Study on Quasi Far-Field Accuracies and Measurements
- Further Exploration of the Holographic PNF Filter
- Measure Electromagnetic Fields with the Vector Field Analyzer
- MM-Wave S-Parameter Measurements with a Vector Field Analyzer in Antenna Measurement Systems
- Testing Alternatives for Base Station OTA Standards Metrics
- Using a Higher-Order Basis Function based Method of Moments Analysis for Designing Compact Antenna Test Ranges
- Revision of IEEE Std 1720-2012: Recommended Practice for Near-Field Antenna Measurements
- 2023Technical Papers
- 2018 Technical Papers
- Expected Changes and Additions to the Antenna Measurement Standard IEEE Std 149TM
- Recommended Practice for Near-Field Antenna Measurements
- On Selecting the Most Suitable Range for Antenna Measurements in the VHF-UHF Range
- Utilizing Spherical Near-Field Measurement Data in Antenna On-Platform Performance Studies
- Circularly Polarized Compact Range Feed with 30 dB Polarization Isolation
- Controlling the Gain of Wide Band Open Quad Ridge Antennas
- Further Refining and Validation of RF Absorber Approximation Equations for Anechoic Chamber Predictions
- Near-Field Antenna Measurements using a Lithium Niobate Photonic Probe
- Enhanced PNF Probe Positioning in a Thermally-Uncontrolled Environment using Stable AUT Monuments
- Imaging a Range’s Stray Signals with a Planar Scanner
- Implementation of a Technique for Computing Antenna System Noise Temperature Using Planar Near-Field Data
- Optimizing RF Instrumentation for Challenging Measurements
- 2015 Technical Papers
- Achieving Impressive Global Positioning and Stability in a High Fidelity Antenna Measurement System
- Non-Ideal Quiet Zone Effects on Compact Range Measurements
- A Calibration Method Using Interpolation to Reduce Measurement Errors in Electromagnetic Compatibility Measurements
- A Comparison of Laser-Correction Approaches for Planar Near-Field Scanners
- A Reduced Uncertainty Method for Gain over Temperature Measurements in an Anechoic Chamber
- An Articulated Swing Arm System for Spherical Near-Field Antenna Measurements at Millimeter Wave Frequencies
- Bridging the Gap: Bringing Measurements and Computational Results Together
- Closed-Loop Real-Time PNF Position Compensation with a Tracking Laser
- Compact Range Quiet Zone Modelling: Quantitative Assessment using a Variety of Electromagnetic Simulation Methods
- Effect of Higher Order Modes in Standard Spherical Near-Field Probe Correction
- Estimating Measurement Uncertainties in Compact Range Antenna Measurements
- Factors Limiting the Upper Frequency of mm-Wave Spherical Near-field Test Systems
- Millimeter-wave Performance of Broadband Aperture Antenna on Laminates
- Predicting the Performance of a Very Large, Wideband Rolled-Edge Reflector
- CATR Quiet Zone Modelling and the Prediction of “Measured” Radiation Pattern Errors: Comparison using a Variety of Electromagnetic Simulation Methods
- Spherical Spiral Scanning for Automotive Antenna Measurements
- Spherical Scanning Measurement Challenge for Future Millimeter Wave Applications
- Spherical Geometry Selection Used for Error Evaluation
- Structural Correction of a Spherical Near-Field Scanner for mm-Wave Applications
- Utilizing Gain Interpolation for the Removal of Near-Field Coupling Effects during EMC Antenna Calibrations
- 2016 Technical Papers
- A Method for Gain over Temperature Measurements Using Two “Hot” Noise Sources
- Antenna Measurement Uncertainty Method for Measurements in Compact Antenna Test Ranges
- Computational Electromagnetic Modelling of Compact Antenna Test Range Quiet Zone Probing: A Comparison of Simulation Techniques
- Modernising, Upgrading and Recommissioning the Indoor Antenna Range at Stellenbosch University
- Phased Array Antenna Calibration Measurement Techniques and Methods
- Spherical Near-field Probe Fed Antenna Techniques for Accurate Millimeter Wave Measurements
- Sphiral Near-Field Scanning for Automotive Antenna Measurements
- Thermoelastic Analysis of a Carbon-Fiber Compact Antenna Test Range Reflector
- Multiple Target, Dynamic RF Scene Generator
- A Polynomial Approximation for the Prediction of Reflected Energy from Pyramidal RF Absorbers
- Changes In The DO-213 Standard For Commercial Nose-Radome Testing
- Correcting Polarization Distortion in a Compact Range Feed
- Dependence of Antenna Cross-polarization Performance on Waveguide-to-Coaxial Adapter Design
- Enabling Extremely High Dynamic Range Measurements using a Simple Correlator
- Implementation of a Combination Planar and Spherical Near-Field Antenna Measurement System using an Industrial 6-Axis Robot
- Improving Test Efficiency on a Limited Budget – A Measurement Timing Case Study
- Optimizing a CATR Quiet Zone using an Array Feed
- Quiet Zone Qualification of a Very Large, Wideband Rolled-Edge Reflector
- Spherical Near-Field Alignment Sensitivity for Polar and Equatorial Antenna Measurements
- Basic Rules for Indoor Anechoic Chamber Design
- 2014 Technical Papers
- Accurate Planar Near-Field Results Without Full Anechoic Chamber
- Advanced Positioner Control Techniques in Antenna Measurements
- Advanced Waveform Generator For Integrated Phased Array Testing
- Advances in Instrumentation and Positioners for Millimeter-Wave Antenna Measurements
- Application of Spherical Near-Field Uncertainty Analysis to Positioner Design
- Assessing and Quantifying the Effects of Planar Mathematical Absorber Reflection Suppression Technique
- Behaviour of Orthogonal Wave Functions and Their Application to the Correction of Antenna Measurements
- Closed-Loop Real-Time PNF Position Compensation with a Tracking Laser
- Combining Pattern, Polarization and Channel Balance Correction Routines to Improve the Performance of Broad Band, Dual Polarized Probes
- Computational Electromagnetic Modelling of Near-Field Antenna Test Systems Using Plane Wave Spectrum Scattering Matrix Approach
- Effects of a Non-Ideal Plane Wave on Compact Range Measurements
- EIRP & SFD Measurement Methodology for Planar Near-Field Antenna Ranges
- Estimating the Effect of Higher Order Azimuthal Modes in Spherical Near-Field Probe Correction
- Experimental Tests on an Effective Near-Field to Far-Field Transformation with Spherical Scan from Irregularly Spaced Data
- Gimbals For Antenna & Radome Measurement: Demanding Applications Drive Innovative Architecture, Remarkably Higher Accuracy
- Multiplexed Pulsed Transmit and Receive RF Measurement System for Active Phased Array Testing
- Narrow Pulse Measurements on Vector Network Analyzers
- Parametric Study of Probe Positioning Errors in Articulated Spherical Near-field Test Systems for mm-Wave Applications
- Scaled Model Measurements of HF Antenna for Vehicular Platforms
- Short Note On The Use Of Spherical Modal Filtering to Remove RF Leakage From SNF Measurements
- Truncation Study for Design of a Large Spherical Near-Field Antenna Test System
- Two-Dimensional Far-Field Mathematical Absorber Reflection Suppression
- Advantages and Disadvantages of Various Hemispherical Scanning Techniques
- 2013 Technical Papers
- Advanced Waveform Generator For Integrated Phased Array Testing
- Advances in Automated Error Assessment of Spherical Near-Field Antenna Measurements
- An Electronically Controlled Polarization Generator at Ka-band
- Antenna Measurements using Modulated Signals
- Behaviour of Orthogonal Wave Functions And The Correction of Antenna Measurements Taken in Non-Anechoic Environments
- Best-Fit 3D Phase-Center Determination and Adjustment
- Combination Planar, Cylindrical, Far-Field and Dual Spherical Near-Field Test System for 0.2-110GHz Applications
- Estimating the Effect of Higher Order Modes in Spherical Near-Field Probe Correction
- Exploration of the Feasibility of Adaptive Spherical Near-Field Antenna Measurements - Part II
- Focusing 3D Measured Field-Probe Data To Image A Compact Range Reflector
- Laboratory Tests on the Near-Field - Far-Field Transformation with Spherical Spiral Scan Optimized for Long Antennas
- Measuring Accurate Low Cross Polarization Using Broad Band, Dual Polarized Probes
- Mechanical and Electrical Alignment Techniques for Plane-Polar Near-Field Test Systems
- New MI Compact Range Facility Measures Innovative Panasonic Airborne Antenna
- Power Handling Considerations in a Compact Range
- RCS Rotator/Pylon Architecture – Pushing Back the Boundaries of Structural and Operational Performance
- Selection Criteria for Near-Field Gain Techniques
- The Use of Statistical Image Classification In Assessing Antenna Pattern Measurements
- Advancements in Achieving What is Asked of a Compact Range
- 2012 Technical Papers
- Achieved Accuracy of a Spherical Near-Field Arch Positioning System
- Adaptive Acquisition Techniques for Planar Near-Field Antenna Measurements - Part 2
- Advances in Antenna Measurement Instrumentation and Systems
- Computational and Experimental Verification of Far- Field Mathematical Absorber Reflection Suppression
- Estimating the Effect of Higher Order Modes in Spherical Near-Field Probe Correction
- Examination of Far-Field Mathematical Absorber Reflection Suppression through Computational Electromagnetic Simulation
- A Novel Dual Bridge Near-Field Measurement Facility
- An Experimental Validation of the Near-Field - Far-Field Transformation with Spherical Spiral Scan
- An Innovative Technique for Positioner Error Correction
- An Interface Between a Near-Field Acquisition System and Active Arrays with Digital Beamformers
- Exploration of the Feasibility of Adaptive Spherical Near-Field Antenna
- Antenna Diagnostics on Planar Arrays using a 3D Source Reconstruction Technique and Spherical Near-Field Measurements
- Extending Cylindrical Mathematical Absorber Reflection Suppression To Further Reduce Range Scattering Errors
- Imaging of Element Excitations with Spherical Scanning
- Improved Coordinated Motion Control for Antenna Measurement
- Making Transient Antenna Measurements
- Measuring Low Cross Polarization Using a Broadband Log Periodic Probe
- On the Development of 18-45 Ghz Antennas for Towed Decoys and Suitability thereof for Far-Field and Near-Field Measurements
- Parametric Study of Probe Positioning Errors in Spherical Near-field Test Systems for mm-Wave Applications
- Precision Motion in Highly Accurate Mechanical Positioning
- Range Multipath Reduction in Plane-Polar Near-Field Antenna Measurements
- Time Space Coherence Interferometry
- Practical Considerations for Determining Polarization Properties from Measured Linear Components
- 2011 Technical Papers
- A Highly Accuracy Spherical Near-Field Arch Positioning System
- A Theoretical Description of the IsoFilter Rejection Curve
- Adaptive Acquisition Techniques for Planar Near-Field Antenna Measurements
- Advanced Antenna Measurement System Architectures
- Advances in Planar Mathematical Absorber Reflection Suppression
- Antenna Pattern Comparison Using Pattern Subtraction and Statistical Analysis
- Application of Mathematical Absorber Reflection Suppression to Planar Near-Field Antenna Measurements
- Application of Mathematical Absorber Reflection Suppression to Far-Field Antenna Measurements
- Application of Mathematical Absorber Reflection Suppression to Direct Far-Field Antenna Measurements
- Filtering Interference for Antenna Measurements
- Historical Background on the Use of Equivalent Stray Signal in Comparison of Antenna Patterns
- Low Cost, Automated, RTCA/DO-213 Compliant - Radome Test System
- Modular Frequency Up Conversion For Antenna Ranges
- Multiplexed Pulsed Transmit and Receive RF Measurement System for Active Phased Array Testing
- Practical Gain Measurements
- RF Target and Decoy Simulator
- Spherical Modal Filtering of Antenna Patterns Augmented by Translation of Coordinate Origin
- Spherical Near-Field Measurements at UHF Frequencies with Complete Uncertainty Analysis
- The Use of Statistical Image Classification Techniques for the Assessment of Measured Antenna Pattern Functions
- Using Frequency Diversity to Improve Measurement Speed
- Achieving the Desired Performance from a Radar Cross Section Pylon Rotator
- Imaging of Element Excitations with Spherical Scanning
- 2010 Technical Papers
- A Large Spherical Near-Field Arch Scanner for Characterizing Low-Frequency Phased Arrays
- A Theoretical Description of the IsoFilter Rejection Curve
- Advances in Cylindrical Mathematical Absorber Reflection Suppression
- Alignment Sensitivity and Correction Methods for Millimeter Wave Spherical Near-Field Measurements
- Antenna Phase Center Effects and Measurements in GNSS Ranging Applications
- Applicability of IsoFilter Selectivity to Antenna Diagnostics
- Back-Projection to the Aperture of a Planar Phased Array from Data Obtained with a Spherical Near- Field Arch
- Comparison of Cylindrical and Spherical Mathematical Absorber Reflection Suppression
- Embracing Complexity: MIMO Over-the-Air Testing with the Reverberation Chamber
- Evaluation of LO Power Leveling Techniques Used for Remote Mixing
- Extension of the Mathematical Absorber Reflection Suppression Technique to the Planar Near-Field Geometry
- High Accuracy Spherical Near-Field Measurements On a Stationary Antenna
- Millimeter Wave Near-Field Antenna Testing
- Mitigating Interference on an Outdoor Range
- Planar Near-Field Measurements on Radiometer Antennas up to 183 GHz for the Global Precipitation Measurement Satellite
- Some Detailed Implementation Aspects of an Automated Error Assessment Scheme for Antenna Spherical Near-Field Measurements
- Standard Gain Horn Computations Versus Measured Data
- The Measurement of Monopulse Tracking Nulls in a Planar Near-field Antenna Range
- Towards Routine Automated Error Assessment in Antenna Spherical Near-Field Measurements
- Use of Time Domain Gating in Spherical Near-Field Measurements
- Laboratory Results on the Compensation of Probe Positioning Errors in the NF-FF Transformation with Helicoidal Scan
- Spherical Near-Field Modal Filtering in a Contaminated Environment for Improved Pattern Accuracy
- 2009 Technical Papers
- An Aperture Back-Projection Technique and Measurements Made on a Flat Plate Array with a Spherical Near-Field Arch
- A Nonredundant NF-FF Transformation with Spherical Spiral Scanning Using a Flexible AUT Model
- An Effective NF-FF Transformation with Helicoidal Scan Tailored for Elongated Antennas: an Experimental Validation
- An Evaluation of the Aperture Back-Projection Technique Using Measurements Made on a Flat Plate Array with a Spherical Near-Field Arch
- Distributed RF Systems for Antenna Measurements
- Focal-Plane Scanner for Measuring Radome Beam Deflection in a Compact Range
- GlobalStar II RX L-Band Antenna Spherical Near Field Measurement
- Identifying Pointing Errors for the NIST 18 Term Error Technique
- Improving and Extending the MARS Technique to Reduce Scattering Errors
- Measuring Wide Angle Antenna Performance Using Small Cylindrical Scanners
- Networked Acquisition Controller Reduces Antenna Test System Overhead
- Numerical Calibration of Standard Gain Horns and OEWG Probes
- Portable RF Target Simulator
- Radiation Pattern Measurement of the NASA Mars Science Laboratory UHF Entry Antenna Using a Spherical Near-Field Range
- Reflection Suppression in Cylindrical Near-Field Antenna Measurement Systems - Cylindrical MARS
- Sub-millimeter Wave Planar Near-field Antenna Testing
- The Effect of the Absorber Collar on Open Ended Waveguide Probes
- 2008 Technical Papers
- A Standalone RF System for Solid-State Phased Array Antenna Measurements
- An Ethernet Based Controller for Managing Complex Antenna Measurements with a Vector Network Analyzer
- An Overview of Near-field Sub-millimeter Wave Antenna Test Applications
- Compensation for Probe Translation Effects in Dual Polarized Planar Near-Field Antenna Measurements
- Conical Near-Field Antenna Measurements
- Cross Polarization Uncertainty in Near-Field Probe Correction
- Evaluation of IsoFilter Fidelity in Selected Applications
- Experimental Validation of the NF-FF Transformation with Helicoidal Scanning Suitable for Elongated Antennas
- Focal-Plane Scanner for Measuring Radome Beam Deflection in a Compact Range
- Free Space VSWR Method for Anechoic Chamber Electromagnetic Performance Evaluation
- Introduction to RCS Measurements
- Mathematical Absorber Reflection Suppression (MARS) for Anechoic Chamber Evaluation & Improvement
- Performance Considerations for Pulsed Antenna Measurements
- Scattering Reduction In Spherical Near-Field Measurements
- Spherical Near-Field Antenna Measurement Note: Disciplined Measurement Practices
- Spherical Near-Field Antenna Measurement Note: Insertion Loss Gain Measurement
- Use of Vector Isometric Rotations in the Measurement of Imperfectly Aligned Antennas
- Vector Network Analyzers – Key Components of Antenna Measurement Systems
- Measurement of Antenna Performance for Active Array Antennas with Spherical Near-Field Scaning
- 2007 Technical Papers
- A Comparison of Measurements on a Dual-Receiver Antenna Range
- An Algorithm for Automated Phase Center Determination and its Implementation
- An Investigation of Adaptive Acquisition Techniques for Planar Near-Field Antenna Measurement
- Design, Alignment, and Calibration Requirements for a Sub-Millimeter Wave Frequency Tiltable Lightweight Scanner
- EHF Rotman Lens Fed Linear Array Multibeam Planar Near-Field Range Measurements
- Fast and Accurate Antenna Alignment Correction Performed Using a Vector Isometric Rotation
- Histogram Equalisation as a Method for Making an Objective Comparison Between Antenna Patterns Functions
- Limitations of Spherical Near-Field Back Projection for Phased Array Tuning Applications
- Mission to MARS - In Searching of Antenna Pattern Craters
- Next Generation Phase Coherent Instrumentation Receiver
- Planar and Spherical Near-Field Range Comparison with -60 dB Residual Error Level
- Spherical Near-Field Antenna Measurements - A Review of Correction Techniques
- The Isofilter™ Technique: Isolating an Individual Radiator from Spherical Near-Field Data Measured in a Contaminated Environment
- The Use of Statistical Image Classification as a Convergence Criteria in Phaseless Near-Field Antenna Measurements
- Coordinate System Plotting for Antenna Measurements
- Techniques for Reducing the Effect of Measurement Errors in Near-Field Antenna Measurements
- 2006 Technical Papers
- A Note to Show How an Alternative Spherical Mode Normalization Simplifies the Relationship Between Transmitting and Receiving Characteristics
- An Effective Strategy for Reducing the Truncation Error in the NF-FF Transformation with Helicoidal Scanning
- An Efficient Approach for Estimating the Data External to the Measurement Region in Helicoidal Scanning
- An introduction to Mobile Station Over-the-Air measurements
- Electromagnetic Radome Measurements: A Review of Automated Systems
- Full Sphere Far-Field Antenna Patterns Obtained Using a Small Planar Scanner and a Poly-Planar Measurement Technique
- Improving Automation for Antenna Ranges
- On the Impact of Non-Rectangular Two Dimensional Near-Field Filter Functions in Planar Near-Field Antenna Measurements
- Reducing Measurement Time and Estimated Uncertainties for the NIST 18 Term Error Technique
- Reduction of Truncation Error in the Near-Field-Far-Field Transformation with Planar Spiral Scanning
- Results of A New RF Cable Correction Method
- Simplified Spherical Near-Field Accuracy Assessment
- The Impact of Local Area Networks on Antenna Measurement Range Design
- The ISOFILTER Technique: Extension to Transverse Offsets
- The ISOFILTER Technique: Isolating an Individual Radiator from Spherical Near-Field Data Measured in a Contaminated Environment
- Traditional Antenna Measurements and CTIA OTA Measurements Merging the Technologies
- Reflection Suppression To Improve Anechoic Chamber Performance
- 2005 Technical Papers
- 3D Antenna Measurement System - Low Gain Antenna Measurements and CTIA OTA Testing
- A Hemi-Spherical Near-Field System for Automotive Antenna Testing
- An Apparent Discrepancy Between Impedance Mismatch Factors for Near-Field and Far-Field Measurements
- Application of a Circular Arch for Spherical Near-Field Antenna Measurements from 1 to 60 GHz
- Electromagnetic Performance of a Carbon Composite Compact Range Reflector
- Low Cost and High Accuracy Alignment Methods for Cylindrical and Spherical Near-field Measurement Systems
- Reflection Suppression in Large Spherical Near-Field Range
- Obtaining High Quality RCS Measurements with a Very Large Foam Column
- 2004 Technical Papers
- A Composite Near-Field Scanning Antenna Range for Millimeter-Wave Bands
- A Low Cost and High Accuracy Optical Boresighting and Alignment System Using Video Cameras
- A Powerful Alternative for High Speed Near-Field of Far-Field Antenna Measurements
- A Reflectometer for Antenna Measurements
- An Efficient and Highly Accurate Technique for Periodic Planar Scanner Calibration with the Antenna Under Test in Situ
- Compact Range Rolled Edge Reflector Design Fabrication Installation and Mechanical Qualification
- Design Considerations for Wireless Antenna Testing
- Error Compensation or Radome Measurements
- Estimating the Uncertainties Due to Truncation in Planar Near-Field Holograms
- Ground Plane Simulation and Spherical Near-Field Scanning for Telematic Antenna Testing
- Implementation of a Geometric-Error Correction System for Extremely High Probe Position Accuracy in Spherical Near-Field Scanning
- Parametric Study of Angular and Radial Probe Positioning Errors In a Large Spherical Near-field Automotive Antenna Test System
- Scan Plane Reduction Techniques for Planar Near-Field Antenna Measurements
- Spherical Near-Field Self-Comparison Measurements
- 2003 Technical Papers
- A Dual-Receiver Method for Simultaneous Measurements of Radome Transmission Efficiency and Beam Deflection
- A Highly Automated Approach to Obtaining Accurate Circularly Polarized Antenna Gain
- Alignment of a Large Spherical Near-Field Scanner using a Tracking Laser Interferometer
- An Augmented Three-Antenna Probe Calibration Technique for Measuring Probe Insertion Phase
- Antenna Pattern Comparison between an Outdoor Cylindrical Near-Field Test Facility and an Indoor Spherical Near-Field Antenna Test Facility
- Evaluation of Radome Performance from Cylindrical Near-Field Measurements
- Estimating the Uncertainties due to Position Errors in Shperical Near-Field Measurements
- Extreme Accuracy Tracking Gimbal for Radome Measurements
- Measurement of EIRP and Antenna Response for Active Antennas with Spherical Near-Field Scanning
- Measurement of the Earth-Observer-1 Satellite X-Band Phased Array
- Readily Made Comparison among the Three Near-Field Measurement Geometries using a Composite Near-Field Range
- Upgraded Planar Near-Field Test Range For Large Space Flight Reflector Antennas Testing from L to Ku-Band
- 2002 Technical Papers
- An Expanded Approach to Spherical Near-Field Uncertainty Analysis
- Applications for Coordinated Motion in Radome Testing
- Compact Range Phase Taper Effects Due to Phase Center Shift in Wide- Band Quad-Ridge Feeds
- Correcting Dual Port Probes Port-To-Port Calibration Using Near-Field Measurements
- How to Choose an Antenna Range Configuration
- Implementation of Back Projection on a Spherical Near-Field Range
- Methods to Estimate and Reduce Leakage Bias Errors in Planar Near-Field Antenna Measurements
- Near-field Antenna Measurement Theory - Planar
- Near-Field Antenna Measurement Theory II Cylindrical
- Near-Field Antenna Measurement Theory III Spherical
- Using a Tracking Laser Interferometer to Characterize the Planarity of a Planar Near-Field Scanner
- Wireless Antenna Measurements
- Estimating Z-Position Errors in Planar Near-Field Measurements From RF Measurements
- 2001 Technical Papers
- Instrumentation for Base Station and Earth Station Antenna Testing
- A Large Aperture 650 GHz Near-Field Measurement System for the Earth Observing System Microwave Limb Sounder
- A Simple Analysis of Near-Field Boresight Error Requirements
- Error Analysis of Circular-Polarization Components Synthesized from Linearly Polarized Measurements
- Holographic Projection to an Arbitrary Plane from Spherical Near-Field Measurements
- Limitations of Near-Field Back Projection for Phased Array Tuning Applications
- Novel Spherical Near-Field Antenna Measurement Techniques Advance State-of-the-Art
- Planar Near-Field Gain Measurements to Verify Calibration of Probes and Gain Standards
- Articles
- Basic Rules for Anechoic Chamber Design, Part Two: Compact Ranges and Near Field Measurements
- Basic Rules for Anechoic Chamber Design, Part One: RF Absorber Approximations
- Telematic Antenna Testing
- The IsoFilter™ Technique: A Method of Isolating the Pattern of an Individual Radiator from Data Measured in a Contaminated Environment
- Military Radome Performance and Verification Testing
- RCS Measurements in a Compact Range
- Wireless Antenna Measurements
- Testing Telematic Antennas
- Compact Range Improvements and Performance at 30 GHz
- Antenna Gain Calibration on a Ground Reflection Range
- Validation of a Method for Predicting Anechoic Chamber Performance
- The Antenna Measurement Standard IEEE 149 Finally Gets an Update
- Biases and Uncertainties of RF Noise Power Measurements
- 2000 Technical Papers
- Accuracy Estimation of Microwave Holography from Planar Near-Field Measurements
- An Architectural Framework for a Universal Microwave Measurement System
- Application of the NIST 18 Term Error Model to Cylindrical Near-Field Antenna Measurements
- Digital Beam-Forming Antenna Range
- How To Specify An RF System for Antenna Measurements
- Measured Error Terms for the Three-Antenna Gain Measurement Technique
- Precision Positioner Alignment Techniques for Spherical Near Field Antenna Measurements using Laser Alignment Tools
- Raytheon 23' x 22' 50GHZ Pulse System
- The Impact Of Alignment Errors On Cylindrical Near-Field Antenna Measurements
- TRW’s New Near-Field Measurement Facility
- 1999 Technical Papers
- A Compact Antenna Test Range Built to Meet the Unique Testing Requirements for Active Phased Array Antennas
- An Introduction to Antenna Test Ranges, Measurements and Instrumentation
- Completion of a Satellite Antenna Test and Repair Facility Relocation
- High Accuracy Cross-Polarization Measurements using a Single Reflector Compact Range
- Low Cross-Polarized Compact Range Feeds
- 14' x 14' Portable Planar Near-Field Scanner System (PPNFSS) for the AEGIS Array
- A Technique to Evaluate the Impact of Flex Cable Phase Instability on mm-Wave Planar Near-field Measurement Accuracies
- Antenna Spherical Coordinate Systems And Their Application In Combining Results From Different Antenna Orientations
- Digital Receiver Technology for High-Speed Near-field Antenna Measurements
- Extending The Angular Coverage Of Planar Near-Field Mearsurements By Combining Patterns From Two Or More Antenna Orientations
- The Effect Of Measurement Geometry On Alignment Errors In Spherical Near-Field Measurements
- 1998 Technical Papers
- 33m by 16m Near-field Measurement System
- Design And Validation Of A General Purpose Near-Field Antenna Measurement Facility For The Royal Netherlands Navy
- Phased-Array Simulation For Antenna Test Range Design
- Precision Boresight Measurement for Doppler Radar
- Probe Correction Effects On Planar, Cylindrical And Spherical Near-Field Measurements
- Quantifying The Effect Of Position Errors In Spherical Near-Field Measurements
- Spherical Coordinate Systems For Defining Directions And Polarization Componets In Antenna Measurements
- 1991 Technical Papers
- A Hilbert Transform Based Receiver Post Processor
- A New Wideband Dual Linear Feed for Prime Focus Compact Ranges
- Applications of Portable Near-Field Antenna Measurement Systems
- Measurement Receiver Error Analysis for Rapidly Varying Input Signals
- Measurement System Performance Considerations for Planar Near-Field Scanning Applications
- Near-Field Measurement Experience at Scientific-Atlanta
- Probe - Correction Coefficients Derived From Near-Field Measurements
- Some Differences between Gated CW and Pulse Radars in RCS and Imaging Measurements
- Statistics of Multiple Extraneous Signals on a Compact Range
- The Application of a Small Compact Range to the Testing of Millimeter Antennas
- 1990 Technical Papers
- A Millimeter Compact Range
- High Speed Measurements of T-R Modules
- Productivity Improvements for a Gated-CW RADAR
- The Effects of Non-Systematic Instrumentation Errors on Measurement Uncertainty
- An Overview of Parameters Determining Productivity and Sensitivity in RCS Measurement Facilities
- An Overview of Parameters Determining Productivity and Sensitivity in RCS Measurement Facilities (2)
- Longitudinal Translation at Selected Points a Measured Technique Revisited
- Use of Clustered Feeds in a Compact Range for RCS Measurements
- High-Speed Testing of Microwave Antennas
- Integrated Radar Measurement System
- 1989 Technical Papers
- A High Speed Microwave Measurement Receiver
- A Low Cost Portable Near-Field Antenna Measurement System
- Error Suppression Techniques for Near-Field Antenna Measurements
- Guided Weapons Radar Testing
- Hand Held Microwave Reflectometer
- High Speed, Multi Frequency Measurements
- Improving Antenna Test Range Productivity
- Virtual Vertex Compact Range Reflectors
- A Wideband RF Feed for RCS Compact Range Facilities
- 1988 Technical Papers
- Accurate Determination of Planar Near-field Correction Parameters for Linearly Polarized Probes
- Analysis of Compact Range Reflectors with Serrated Edges
- Electromagnetic and Structural Considerations in Target Support Design
- Error Analysis Techniques for Planar Near-field Measurements
- Gain and Power Parameter Measurements Using Planar Near-Field Techniques
- Modern Dynamic RCS and Imaging Systems
- Transfer Efficiency of the Compact Range
- A Serrated-Edge Virtual Vertex Compact Range Reflector
- Recent Advances in Millimeter Wave Antenna Measurement Instrumentation
- A Modular Positioner Control System
- Time Gating of Antenna Measurments II
- 1987 Technical Papers
- 1986 Technical Papers
- 1985 Technical Papers
- Automated Three-Antenna Polarization Measurements using Digital Signal Processing
- Inverse Synthetic Aperture Imaging
- Near Field Test Facility Design
- Calibration techniques used in the Sandia National Laboratories Scatter Facility
- Spherical Near-Field Thermal Drift Correction using a return to peak Technique
- 1984 Technical Papers
- 1983 Technical Papers
- 1982 Technical Papers
- A Calculator Based Antenna Analyzer
- Indoor Automatic F-16 Fire Control Antenna and Radome Test Facilities
- Conceptual Analysis of Radar Cross-Section Measurments on Compact Ranges
- A Precision Optical Range Alignment Technique
- Field Probe Measurements and Stray Signal Evaluation of a Spherical Near-Field Range
- 1981 Technical Papers
- 1980 Technical Papers
- 1977 Technical Papers
- 1973 Technical Papers
- 1969 Technical Papers
- 1979 Technical Papers
- 1997 Technical Papers
- A Large Combination Horizontal and Vertical Near-Field Measurement Facility for Satellite Antenna Characterization
- A Turnkey Near-field Measurement System For Pulse Mode Applications
- Cylindrical Near-Field Measurement of L-Band Antennas
- Innovative Mechanical Designs For Scanners
- The Alignment of a Spherical Near-Field Rotator using Electrical Measurements
- The Implementation of a Spherical Near-Field Measurement System in Mainland China
- A Compact Range for Radar System Testing
- Mechanical Alignment Error Study of Large Sectionalized Compact Range Reflectors
- A System for Testing Multiple Parameters of Active Aperture Antenna Subarrays
- 1996 Technical Papers
- Automated EIRP Measurements On A Near-Field Range
- Cross-Polarization Measurement Accuracy Improvement on a Single Reflector Compact Range
- Globalstar Satellite Near-Field Measurement Systems
- HSC’s New Near-Field Measurement Facility
- Compact Range Testing of High Power Antennas
- Practical Issues in Advanced Antenna Pattern Comparison
- 1995 Technical Papers
- A Portable 4.5m X 2.0M Near-Field Scanner
- Hologram Accuracy Estimation
- State-of-the-art Near-field Measurement System
- 2095P Pulsed Microwave Measurement System for the Naval Surface Warfare Center, Crane Division
- A Multi-Purpose Large Compact Range for Antenna, Spacecraft Payload, and RCS Measurements
- A Triband Radome Measurement System Installation and Testing Results
- 1993 Technical Papers
- A Transportable Compact Antenna Range
- An Automated Test Sequencer for High Volume Near-Field Measurements
- Automated MIMIC Wafer RF Test System
- Considerations for Upgrading a Pre-existing Near-Field System
- High-Speed, Pulsed Antenna Measurements using the MI Technologies Model 1795P
- Implementation of a 22' x 22' Planar Near-Field System for Satellite Antenna Measurements
- New Antenna Pattern Recorder which Reduces Test Time and Provides Advanced Data Management Capabilities
- Satellite and Satellite Antenna Testing with High Speed Electronics
- 1994 Technical Papers
- 550 Ghz Near-Field Antenna Measurement System for NASA Submillimeter Wave Astronomy Satellite
- A Low Cost Spherical Near-Field System
- An Integrated Near-field EMC Measurement System
- Anechoic Chamber Evaluation
- Position Correction on Large Near-Field Scanners Using an Optical Tracking System
- System Engineering for a Radome Test System
- Three Antenna Gain Method on a Near-Field Range
- Efficient Antenna Testing Using Current Antenna Test Systems
- Cross-Polarized Pattern Measurements on Point-Source Compact Ranges
- 1992 Technical Papers
- A Dual-Ported Probe for Planar Near-Field Measurements
- An Implementation of the Three Cable Method
- Anechoic Chamber Diagnostic Imaging
- Design Considerations for a Planar Near-Field Scanner
- Evaluating Near-Field Range Multi-Path
- Implementation of a Small Planar Near-Field System
- Principal of the Three-Cable Method for Compensation of Cable Variations
- Speed and Accuracy for Near-Field Scanning Measurements
- Validation Testing of the Planar Near-Field Range Facility at SPAR Aerospace Limited
- Recent Developments in Large Compact Range Design
- 2017 Technical Papers
- Published Books
- Videos
- Photo Gallery
- Technical Papers and Articles
- About Us
- Contact Us
- Sales Team
- Global Partners
- MEDs Technologies
- PT. Mars Sistem Integrasi
- Burgeon Instrument Co.
- Singapore Technologies Electronics
- AM Technologies
- Restar Communications Corporation
- Farad Corporation
- Complus Systems
- Satcom Technologies
- Coastech International
- Multi-Systems Engineering Company (MENC)
- Orko
- Telemeter Electronic GmbH
- Testhouse Nordic AB
- Wavecontrol
- Mediterranean Technologies
- Siepel
- Pamcor
- Sistemas e Ingenieria de EMC S.A. de C.V.(SI-EMC)
- Offices
- Technical Support
- VFA Suite
- VFA Performance Suite
Footer
- Request for Info or Quote
- Subscribe
- Report a Problem
- Sitemap
- reCaptcha Fail
- Login
- AOC
- Farnborough
- Satellite
- APS
- amtechnologies
- User Profile