Spread signal spectrum communication circuits and system

Details Spread signal spectrum communication circuits and system Spread signal spectrum communication circuits and system

1983-04-04

1999-12-14

Gregory, Bernarr E

Pulse or digital communications

Repeaters

Testing

342 13, 342 14, 342 16, 342118, 342134, 342175, 342202, H04B 169, G01S 1300

Patent

active

06002707&

ABSTRACT:
The present invention provides a covert radar system in which radar signals emitted are capable to search receiver thermal noise and, therefore, are substantially undetectable in the normal radar operating range.

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patent: 3603992 (1971-09-01), Goggins et al.
patent: 3714573 (1973-01-01), Grossman
patent: 3719945 (1973-03-01), Sletten et al.
patent: 3719946 (1973-03-01), Sletten et al.
patent: 3725926 (1973-04-01), Ares
patent: 3821736 (1974-06-01), Kuck et al.
patent: 3914762 (1975-10-01), Klensch
patent: 3972042 (1976-07-01), Johnson
patent: 4359736 (1982-11-01), Lewis

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