Short Course 2021

Virtual Short Course

September 1 – 30, 2022


Pre-Order Now

Full Course: $3,750
Near-Field Bundle: $2,675
Compact Range Bundle: $2,675
NSI2000 Software Overview and Demonstration: $750
NSI2000 Scripting: $500
MI-3000 Software Overview: $750
Integration and Test of Active Electronically Scanned Arrays: $500

Our premier staff of technical experts will cover a wide range of introductory and advanced topics related to antenna measurements, near-field theory, and compact ranges through pre-recorded lectures.

Short Course Bundles

Standalone Modules

Introduction to General Antenna Measurements

Presented by: Daniël Janse van Rensburg, Ph.D.
Length: 50 minutes

In this session, we provide an introductory look at the relevant theory, terminology and parameters associated with antenna measurements. This gives the viewer an understanding of the different field regions around an antenna, defines some basic antenna polarization parameters, explains the Friis transmission equation, describes the commonly used spherical coordinate system, and more.


Gain Measurements

Presented by: Patrick Pelland
Length: 50 minutes

Determination of an antenna’s absolute gain is one of the most common requirements for all antenna measurement systems. In this module, antenna gain, and other associated parameters are presented. Various gain measurement techniques are described in detail and some of the main sources of gain measurement uncertainty are discussed.


Introduction to Absorber and Shielding

Presented by: Vince Rodriguez, Ph.D
Length: 50 minutes

In this module, some basic antenna range design concepts are presented. First, the need for RF absorbers in antenna measurement ranges is discussed. A variety of absorber types are presented along with some information about the reflectivity performance and power handling of the available options. A discussion on the need, or lack thereof, for proper shielding of the anechoic environment is also included.


RF Instrumentation for Antenna Measurement Systems

Presented by: Steve Nichols
Length: 50 minutes

The RF sub-system is a fundamental building block for any antenna measurement solution. This module will discuss the need to maximize the available dynamic range for antenna measurements. Some RF link budgets are shared and analyzed, and a comparison of various RF sub-system solutions is shared.


Advanced RF for Antenna Measurement Systems

Presented by: Bruce Williams
Length: 50 minutes

This module expands on the previous session with some more advanced topics. This includes discussions on pulsed RF testing, characterizing frequency converting antennas, mm-wave RF systems and testing of active phased arrays. Solutions for advanced automaton including range reversal and band switching are also presented.


Introduction to Near-Field Theory

Presented by: Jeff Fordham
Length: Two 50-minute modules

The first module of this two-part lecture will provide a high-level overview of near-field theory and measurement techniques. We will introduce concepts, key variables, and sampling requirements in the process. Part two will go over the scattering matrix formulation and the critical probe correction process of near-field analysis.


Implementation of Near-Field Systems

Presented by: Patrick Pelland
Length: 50 minutes

This presentation starts with a discussion about the relevant coordinate systems for the various near-field systems under consideration. The theoretical concepts that these near-field systems are based on are compared to how systems are implemented in practice. The three most common near-field geometries (planar, cylindrical, spherical) are described.


Near-Field Range Alignment

Presented by: Patrick Pelland
Length: 50 minutes

This module starts with an overview of range alignment requirements for various measurements system geometries. Some of the tools and techniques available to align a probe and antenna under test on near-field systems are presented. A brief overview of how a spherical near-field system is aligned during installation or maintenance activities is presented.


Spherical Near-Field Theory

Presented by: Daniël Janse van Rensburg, Ph.D.
Length: 50 minutes

This lecture delves into the theory behind spherical near-field antenna measurements. Various spherical coordinate systems are described along with the associated sampling strategies. The solutions to Maxwell’s equations in spherical coordinates are presented. Lastly, the requirements for spherical near-field probe correction are shared.


Near-Field Range Assessments

Presented by: Daniël Janse van Rensburg, Ph.D.
Length: 50 minutes

Like any other type of measurement, near-field data acquisition and processing are subject to several sources of error. This module outlines the main contributors to measurement uncertainty and describes the techniques used to quantify the uncertainty. Several terms are described in detail and error reduction techniques are presented.


Chambers and Absorber for Near-Field Systems

Presented by: Vince Rodriguez, Ph.D.
Length: 50 minutes

This session focuses on the decisions that go into the design of an anechoic environment for near-field applications. Chamber sizing formulations are shared for both planar and spherical measurement systems. Absorber treatment guidelines are presented for these two geometries.


Near-Field Probes

Presented by: Vince Rodriguez, Ph.D.
Length: 50 minutes

The quality of a near-field measurement is heavily dependent on the antenna selected for use as near-field probe. This module describes the need for probe correction and some of the important design characteristics of a near-field probe. A list of some of the available types of suitable probes and their advantages and drawbacks is presented.


Introduction to Compact Ranges

Presented by: Vivek Sanandiya
Length: Two 50-minute modules

The first module introduces the compact range as a better alternative to the conventional far-field range for various applications. The session presents compact range principles of operation, various sources of error, and a brief discussion on compact range size and absorber treatment. The second module focuses on different compact range configurations and reflector edge treatments, presenting differences in implementation and performance.


Implementation of Compact Ranges

Presented by: Marion Baggett
Length: Two 50-minute modules

This module starts with a case study presenting a set of requirements for a new compact range. Details of the ideal compact range solution designed to meet the requirements follows. This includes sizing of the chamber, location and size of test equipment and compact range reflector, ideal feed selection, absorber treatment, RF sub-system considerations, and more.


Compact Range Applications: Radar Cross Section Measurements

Presented by: Stephen Blalock
Length: Two 50-minute modules

In this two-part session, we explore Radar Cross Section (RCS) measurements. The basic concepts of RCS are defined, and the compact range is presented as the ideal solution for RCS characterization. RCS range design considerations are presented, including a discussion about RCS range instrumentation. Various RCS data outputs are presented to help the audience better grasp RCS performance metrics.


Compact Range Design and Manufacture

Presented by: Anil Tellakula
Length: 50 minutes

This module delves into the design and manufacturing process of compact range reflectors. The design parameters and process are described for both serrated and rolled edge reflectors. A case study is presented that will delineate the entire process of designing, manufacturing, installing, and testing a large compact range reflector.


Chambers and Absorber for Compact Ranges

Presented by: Vince Rodriguez, Ph.D.
Length: 50 minutes

This session focuses on the decisions that go into the design of an anechoic environment for compact ranges. Simulations of the wave fronts emanated throughout a compact range are shared to help the audience understand the need for proper absorber treatment on the walls and around the feed positioner. Guidelines for sizing the room for conventional compact range measurements and RCS applications are presented.


Advanced Compact Range Topics

Presented by: Jeff Fordham
Length: 50 minutes

One should consider a variety of possible error sources when estimating total measurement uncertainty for compact range measurements. This module describes the process of uncertainty analysis for compact ranges and discusses some of the most significant error sources. The need for feed polarization distortion correction is discussed and two stray signal suppression techniques are presented.


Compact Range Applications: Radome Testing

Presented by: Steve Nichols
Length: 50 minutes

Several measurement solutions are available to characterize the performance of an aircraft radome. This talk focuses on radome testing using compact range systems. Commercial nose radome testing is discussed in detail and the required measurement parameters are described. The talk concludes with brief discussions on other radome measurement system types and military applications.


NSI2000 Software Overview and Demonstration

Presented by: Patrick Pelland
Length: Three 50-minute modules

This session provides the viewer with a detailed overview of the NSI2000 software. The various software menus, features and options will be explored in detail. Instructions for basic measurement setup, near-field pre-processing and far-field data processing are presented. Using real measurement examples, the viewer will better understand how to adjust NSI2000’s coordinate system and polarization properties to view and export data in the desired format.


MI-3000 Software Overview

Presented by: Marion Baggett
Length: Three 50-minute modules

These modules provide the viewer with a detailed overview of the MI-3000 software. The various software menus, features and options will be explored in detail. Instructions for data and configuration management, basic measurement setup, plotting and far-field data processing are presented. The use of optional plug-in packages, such as EIRP or near-field transforms is also discussed. The three visual operating environments are discussed as well as the toolkit method of creating multiple task sequences in a drag and drop manner.


Integration and Test of Active Electronically Scanned Arrays

Presented by: Bruce Williams
Length: Two 50-minute modules

In this session we explore AESA (Active Electronically Steered Array) antennas and the unique problems they pose for the test engineer. Our attention will be focused primarily on AESA control issues: test plan complexity, measurement timelines, and optimizing test efficiency. A practical discussion of beam steering interfaces and how they affect range timing and antenna performance will give the audience a baseline for understanding their own AESA integration challenges. Finally, some practical error-checking techniques are presented that will help verify coordination between the range controller and the AESA being tested, for trustworthy and efficient testing.


NSI2000 Scripting

Presented by: Patrick Pelland
Length: Two 50-minute modules

In this session, we provide an overview of the NSI2000 scripting environment. Basic language structures, instrumentation communication, acquisition and processing functions available through the scripter will be discussed. Acquisition and processing automation functions will be described. Finally, example scripts for advanced data processing and far-field export will be shared.


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