Chirp signal generator for pulse compression radar

Details Chirp signal generator for pulse compression radar Chirp signal generator for pulse compression radar

1983-10-06

1986-12-30

Miller, Stanley D.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

332 16R, 332 26, 455 42, 333150, H03K 5159, H03C 300, H03C 328

Patent

active

046331859

ABSTRACT:
A chirp signal generator circuit includes a pulse generator PG for generating a single impulse for application to first surface acoustic wave device SAW. This device produces an output signal comprising several cycles of energy at a predetermined frequency. A threshold circuit TH passes only that part of the output signal which second surface acoustic wave device EXP having the predetermined frequency as its center frequency, and this output signal is then amplified. The second device EXP generates a frequency modulated chirp signal.

REFERENCES:
patent: 2949028 (1960-08-01), Joy
patent: 3176296 (1965-03-01), Adams
patent: 3376572 (1968-04-01), Mayo
patent: 3686572 (1972-08-01), Guilhem et al.
patent: 3956646 (1976-05-01), Shibayama et al.
patent: 4099182 (1978-07-01), Ward
patent: 4100498 (1978-07-01), Alsup et al.
patent: 4521779 (1985-06-01), Lewis

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