Communications: directive radio wave systems and devices (e.g. – Return signal controls radar system – Transmitter
Patent
1976-07-29
1987-02-10
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Return signal controls radar system
Transmitter
342134, G01S 1312
Patent
active
046426418
ABSTRACT:
A high PRF pulse doppler radar for tracking moving targets is described wherein the PRF of the transmitted signal is varied within predetermined PRF limits to keep the target reflected high PRF signal centered within the receive gate of the radar and wherein spurious signals incidentally generated by the action of the receive gate are reduced below the receiver noise level. In the event of temporary target reflected signal loss, the PRF of the transmitted signal is varied within predetermined PRF limits based upon the velocity and range estimate of the target to keep subsequent target reflected signals centered within the receive gate of the radar.
REFERENCES:
patent: 3023409 (1962-02-01), Smith et al.
patent: 3155973 (1964-11-01), Smith
patent: 3258769 (1966-06-01), Forestier
patent: 3334344 (1967-08-01), Colby, Jr.
patent: 3341847 (1967-09-01), Fried et al.
Gregory Bernarr Earl
Sutcliff W. G.
Tarcza Thomas H.
Westinghouse Electric Corp.
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