Radar tester

Details Radar tester Radar tester

1982-09-23

1985-02-12

Wilbur, Maynard R.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 7TA, G01S 740, G01S 902

Patent

active

044994699

ABSTRACT:
A radar system testing apparatus for use in evaluating radar performance of terrain following, forward looking radars, generally installed in the nose of military aircraft. The operator inputs the antenna position and rotational arc limits desired which are converted into reference voltages and compared to the antenna's true position by a logic comparator network. When the true position is within the operator's selected window, and the radar system inputs a trigger signal to indicate transmitter firing, the logic network will respond with a spiked waveform. This waveform traverses two consecutive one shot multivibrators with appropriate controls to vary the width of the resultant output pulses. By controlling the size of the pulses, the operator effectively selects a variety of target ranges and target widths for testing purposes. These controlled pulses are fed back into the radar system where they generate a simulated target return for evaluating the performance of the radar system under known conditions.

REFERENCES:
patent: 2876447 (1959-03-01), Witten et al.
patent: 3718988 (1973-03-01), Ball et al.
patent: 3955199 (1976-05-01), Hutzelman et al.
patent: 4053890 (1977-10-01), Woodson et al.

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