Noise radars

Details Noise radars Noise radars

1986-05-13

1994-03-01

Swann, Tod R.

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

Radar ew

Eccm

342 18, 342132, 375 1, G01S 736

Patent

active

052912027

ABSTRACT:
In a noise radar a pseudo-random sequence is generated repeatedly and used to phase modulate a transmitted signal. The transmission is interrupted during a number of periods during each pseudo-random sequence which allows returns from targets to be received from the same antenna as is used for transmission during those periods of interruption. Each transmitted pulse, between successive periods of interruption, contains a different selection of successive digits of the code thus increasing the apparent randomness of the transmitted code and making detection more difficult.

REFERENCES:
patent: 3727222 (1973-04-01), Hollis
patent: 4042925 (1977-08-01), Albanese et al.
patent: 4078234 (1978-03-01), Fishbein et al.
patent: 4142189 (1979-02-01), Gleason
patent: 4219812 (1980-08-01), Rittenbach
Skolnik, "Radar Handbook", 1970, 17-38--17-45.

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