Anti-jam FM/CW radar

Details Anti-jam FM/CW radar Anti-jam FM/CW radar

1996-11-13

1999-04-06

Jordan, Charles T.

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

Radar ew

Eccm

G01S 736

Patent

active

058924779

ABSTRACT:
A radar system (10) uses independent, adaptive modulation controls for the local oscillators (16, 40) in the transmitter (24) and receiver (26) portions. The adaptive modulation enables the radar to filter out any repeater jammer signal while maintaining a good signal-to-noise ratio (SNR) on the target. The radar system (10) provides a SNR that is sensitive to the target range and minimizes the SNR at the jammer range and maximizes the SNR at the target range. A communication system (60) similarly uses independent, adaptive modulation controls (66, 84) to provide a communication system resistant to jamming.

REFERENCES:
patent: 3878525 (1975-04-01), Alders
patent: 3981013 (1976-09-01), Christensen
patent: 4338604 (1982-07-01), Petitjean
patent: 4546356 (1985-10-01), Petitjean et al.
patent: 5086300 (1992-02-01), Ashmore
patent: 5291202 (1994-03-01), McClintock
patent: 5307069 (1994-04-01), Evans
patent: 5377222 (1994-12-01), Sanderford, Jr.

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