Radar clutter suppressor

Details Radar clutter suppressor Radar clutter suppressor

1978-02-23

1980-10-28

Buczinski, Stephen C.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 5VQ, 343 5W, 343 7A, 343 16M, 343 171R, 343100PE, G01S 1300

Patent

active

042310377

ABSTRACT:
This disclosure describes a radar clutter suppressor and target classifier that compares two or more video signals. Various signal conditioning and processing means are used for enhancing echo differences between targets and clutter caused by differences in polarization, carrier frequency, pulse length, antenna beamwidth, and antenna pointing direction. Signals are processed as if due to targets if the ratio of the video amplitudes are within a band of ratios and signals are suppressed as if due to clutter if the ratios are not within the band of ratios designated for targets. The invention includes methods for suppressing clutter caused by rain, land and sea.

REFERENCES:
patent: 3566403 (1971-02-01), Hills
patent: 3943512 (1976-03-01), Dempsey
patent: 4008472 (1977-02-01), Nirasawa et al.
Radar Reflecting of Land and Sea, by Maurice W. Long, D.C. Heath and Co., Lexington, Mass., 1975.

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