Synchronous detector with pulse repetition frequency modulation

Details Synchronous detector with pulse repetition frequency modulation Synchronous detector with pulse repetition frequency modulation

1965-06-21

1976-04-20

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 9, 343 171R, G01S 942

Patent

active

039523020

ABSTRACT:
A moving target indicating radar that includes a coherent on receive system and a clutter referenced velocity compensator operating in association with a linear predictor to produce coherent IF (intermediate frequency) receive signals shifted in frequency to compensate for the radar platform's motion. A synchronous detector, with pulse repetition frequency modulation, translates the coherent IF received signals to video signals at a desired frequency offset. A storage processor processes and range gates the video signals prior to doppler filtering and displaying the signals as a representation of moving targets.

REFERENCES:
patent: 3346859 (1967-10-01), Mullins et al.
patent: 3680099 (1972-07-01), Herman et al.
patent: 3703005 (1972-11-01), Herman et al.
patent: 3706991 (1972-12-01), Gillmer et al.

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