Display processor for aircraft landing system

Details Display processor for aircraft landing system Display processor for aircraft landing system

1979-02-13

1980-04-08

Blum, Theodore M.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343108R, 340 26, G01S 302

Patent

active

041975430

ABSTRACT:
A circuit for processing the azimuth error video signal of a monopulse rever in an aircraft to separately but simultaneously display the heading and position of the craft. The azimuth error signal is simultaneously applied to a sample-and-hold (SAH) circuit, a delay means and a one-shot multivibrator (MV). The MV opens the SAH to accept the first ground-transmitter signal in a sequence, the SAH charging a capacitance to the magnitude of the signal, and then prevents the SAH from accepting any further signals in the sequence. The output of the SAH is subtracted from the delayed signal to obtain a video signal indicative of aircraft position, and the output of the first subtracter is subtracted from the delayed signal to obtain a video signal indicative of the aircraft heading.

REFERENCES:
patent: 3237195 (1966-02-01), Schiffman

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