Radar terrain bounce jamming detection using ground clutter trac

Details Radar terrain bounce jamming detection using ground clutter trac Radar terrain bounce jamming detection using ground clutter trac

1994-09-28

1996-01-09

Johnson, Stephen M.

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

Radar ew

Eccm

342 13, G01S 736

Patent

active

054832403

ABSTRACT:
A radar jamming detection system is suitable for recognizing and distinguishing the presence of jamming and, particularly, terrain bounce jamming. The radar system includes a transmitter and a receiver. The receiver receives true radar skin return signals, in addition to ground clutter signals and jamming signals. The true radar skin return signals and ground clutter signals are recognizable in accordance with a predetermined receiver passband. Estimated target location, velocity and frequency data, as provided by a cueing radar, is used to set up the receiver passband for the radar detection system. Ground clutter range and angle measurements are used to determine an estimated ground range at the jammer angle, which is then compared with the cue range to determine if the received signals are terrain bounce jamming signals.

REFERENCES:
patent: 3597762 (1971-08-01), DiMatteo
patent: 3900870 (1975-08-01), Foin, Jr. et al.
patent: 4063239 (1977-12-01), Johnson

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