Coherent antenna sidelobe suppression system

Details Coherent antenna sidelobe suppression system Coherent antenna sidelobe suppression system

1983-03-17

1996-06-11

Blum, Theodore M.

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

Air traffic control

Secondary surveilance radar

342374, G01S 1300

Patent

active

055259901

ABSTRACT:
A sidelobe suppression system including an antenna with a variable phase ter, a transmitter for transmitting an expanded phase-coded pulse, a receiver for receiving target echos, a pulse expander/compressor for phase coding the expanded transmitted pulse with a phase code, P, and for compressing target echos with unscrambled phase code P and a control unit for shifting the phase center of the antenna to scramble the phase codes of the expanded pulses transmitted into the antenna sidelobes.

REFERENCES:
patent: 3412405 (1964-09-01), Crotty et al.
patent: 4045800 (1977-08-01), Tang et al.
patent: 4121209 (1978-10-01), ap Rhys

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