The Effects of Non-Systematic Instrumentation Errors on Measurement Uncertainty

Author: 0. M. Caldwell
Publication: AMTA 1990
Copyright Owner: NSI-MI Technologies

The effects of non-systematic receiver instrumentation errors on precision antenna measurements are investigated. A simple uncertainty model relating dynamic range to random perturbation effects on amplitude measurements is proposed. Examples of measurement uncertainty versus both input level and measurement speed are presented using data taken on modern measurement receivers. Data are compared w1th the model to estimate measurement uncertainty at various pattern levels and acquisition speeds. Equivalent dynamic range specifications are deduced from the measured data.



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