Device for the elimination of n.sup.th trace moving echoes and i

Details Device for the elimination of n.sup.th trace moving echoes and i Device for the elimination of n.sup.th trace moving echoes and i

1982-08-25

1985-04-23

Wilbur, Maynard R.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 77, 343 171PF, G01S 728, G01S 902

Patent

active

045132879

ABSTRACT:
A device for the elimination of n.sup.th trace moving echoes and radar interference echoes in a radar system operating by bursts and comprising a display device for moving targets. The device comprises means for detecting first and n.sup.th trace echoes of which the amplitudes exceed, respectively, two given thresholds S.sub.1 and S.sub.2, and means for comparing these echoes with each other. The device finds particular utilization in a surveillance radar or in a radar landing system operating by pulses.

REFERENCES:
patent: 3109171 (1963-10-01), Henry et al.
patent: 3828348 (1974-08-01), Murray, Jr.
patent: 3995270 (1976-11-01), Perry et al.
patent: 4025919 (1977-05-01), Jefferies et al.
patent: 4095222 (1978-06-01), Mooney, Jr.
patent: 4168500 (1979-09-01), Brassaw
patent: 4213127 (1980-07-01), Cole
patent: 4228435 (1980-10-01), Nevin

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