Signal processing system for photoelectric detector
A photoelectric detector and signal processing technology, which is applied in the direction of radio wave measurement systems, instruments, and measurement devices, can solve the problems of unfavorable cost reduction, differences in post-stage signal processing circuits, and high packaging costs, so as to facilitate continuous sampling and data processing. The effect of software filtering algorithm processing and improving detection accuracy
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[0023] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0024] A signal processing system for a photodetector. The current pulse signal output by the photodetector is converted into a voltage pulse signal by the preamplifier module. The variable gain control module receives the voltage pulse signal for extraction and amplification. The signal output by the variable gain control module After being amplified by the first buffer amplifier, it is sent to the peak hold module, the peak hold module delays the signal peak hold time of the received voltage pulse signal, and the A / D converter amplifies the signal output by the peak hold module after the second buffer amplifier Sampling is performed, the processor receives the parallel port and control signal output by the A / D converter and calculates the target angle value, and the processor sends the calculation result to the central control computer through the tran...
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