Adaptive monopulse phase/amplitude calibration correction system
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United States of America Patent
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-
Feb 10, 1987
Grant Date -
N/A
app pub date -
Oct 29, 1984
filing date -
Oct 29, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A monopulse antenna system providing a pair of phase/amplitude related signals in response to the reception of a desire signal, having calibration correction means attached thereto which receive one of the output signals from the antenna system and produce a pair of output signals having equal amplitude and a 90 degree phase difference. The calibration correction circuitry supplies the pair of output signals to the two channels of the monopulse receiver which includes circuitry for comparing the amplitude of signals in each of the channels and standard monopulse circuitry which compares the phase of signals in the two channels. Gain and phase adjustments in at least one of the channels are adjusted in response to the pair of signals until the compared output signals are equal in amplitude and 90 degrees apart in phase.
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