Temperature compensated side lobe suppression

Details Temperature compensated side lobe suppression Temperature compensated side lobe suppression

1988-11-03

1990-06-05

Lall, Parshotam S.

Boots, shoes, and leggings

36457103, 342173, H01Q 326

Patent

active

049319760

ABSTRACT:
An improved side lobe suppression circuit in a racon for determining frequency band edge. As the temperature varies, a temperature frequency calibration table receives a temperature measurement and determines which frequencies are out of band as the temperature varies. A microprocessor changes the threshold values in a ram in response to temperature changes to suppress out of band frequencies but to allow the transmission of in band frequencies above a predetermined threshold.

REFERENCES:
patent: H000173 (1986-12-01), Claborn et al.
patent: 4437164 (1984-03-01), Branch, III
patent: 4592002 (1986-05-01), Bozarth, Jr. et al.
patent: 4633422 (1986-12-01), Brauer

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