Microprocessor controlled digital detector
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United States of America Patent
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-
Mar 24, 1981
Grant Date -
N/A
app pub date -
Dec 5, 1979
filing date -
Dec 5, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In the digital detector the center frequency and bandwidth of a digital fer is controlled by a microprocessor. Amplitude information for the original input signal may be preserved or a simple threshold of energy may be detected within a bandpass. The microprocessor scans a selected frequency spectrum by digitally changing the decoding data controlled by software. This detector in conjunction with a scanning algorithm permits data acquisition in addition to energy detection, data acquisition being the process of controlling an incoming signal within a bandpass by moving the center frequency and bandpass of the filter and generating a corresponding error signal as the feedback control signal.
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