Phase Dependence in Radar Cross Section Measurements (Classic Reprint) - Softcover

Inhaltsangabe

Excerpt from Phase Dependence in Radar Cross Section Measurements

A new measurement and analysis technique to isolate the background signals present in radar cross section measurements is presented. By definition the measured ros of a target is independent of the measured phase, but it is not independent of the phase difference between the theoretically correct signal and the background error signals present in the measurements. By varying the phase of the theoretical signal and holding the phase of the error signal constant, one can separate these two components.

In the calibration model, where the radar cross section of the calibration target is known, the error signals can be removed from the measurements to obtain an accurate system calibration. When the radar cross section of the target is unknown, only error signals with a constant phase can be removed from the measurements. Error signals that vary in - phase with the theoretical signal will introduce a bias that increases the uncertainty of the measurements.

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