Alien radar suppression circuit

Details Alien radar suppression circuit Alien radar suppression circuit

1985-06-26

1988-01-05

Buczinski, Stephen C.

Communications: directive radio wave systems and devices (e.g.,

Determining distance

With pulse modulation

G01S 1322

Patent

active

047179171

ABSTRACT:
Disclosed is an alien radio ranging transmitter rejection technique utilizing random PRF to eliminate the possibility of lock-on between two coherent R/T units in close proximity. If one, or both, are utilizing the random PRF technique taught herein, the alien signal is rejected utilizing standard noise suppression techniques. The random PRF is selected utilizing noise or angle data computed from the received return signal and is thereafter utilized to designate which one of a set number of PRF delays is utilized on a substantially random basis.

REFERENCES:
patent: 3900261 (1975-08-01), Wingate
patent: 4049953 (1977-09-01), Evans, Jr.
patent: 4057800 (1977-11-01), Ganz
patent: 4106019 (1978-08-01), Alexander et al.
patent: 4219817 (1980-08-01), Moore et al.
patent: 4593286 (1986-06-01), Matthews et al.

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