High speed adaptive clutter filter

Details High speed adaptive clutter filter High speed adaptive clutter filter

1979-10-12

1981-09-15

Buczinski, S. C.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 75, G01S 728

Patent

active

042900662

ABSTRACT:
Method and apparatus for eliminating the effects of clutter in a coherent pulsed Doppler radar including determining the center frequency of the clutter and periodically moving the local oscillator frequency so that the clutter is shifted out of the Doppler filter passband, leaving only targets in the passband.

REFERENCES:
patent: 3218641 (1965-11-01), Maynard
patent: 3341847 (1967-09-01), Fried et al.
patent: 3465336 (1969-09-01), Fishbein et al.
patent: 3576564 (1971-04-01), Galvin
patent: 3737900 (1973-06-01), Vehrs, Jr.
patent: 3775768 (1973-11-01), Lisle et al.
patent: 3992709 (1976-11-01), Watanabe et al.

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