Temperature compensated side lobe suppression
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United States of America Patent
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-
Jun 5, 1990
Grant Date -
N/A
app pub date -
Nov 3, 1988
filing date -
Nov 3, 1988
priority date (Note) -
Expired
status (Latency Note)
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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.
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