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Increasing the Accuracy of Digital Signal Processing of Doppler Frequency Shift in the Speed Meter of Different Nature

Keywords:

A.V. Stanyush, D.S. Potekhin


The approach of a digital processing unit of the laser velocimeter based on digital signal processing of Doppler frequency shift. Proposed a way for separating the signal Doppler frequency shift based on restoring the vector diagram. It is shown that for solving this problem is suitable wavelet-function Morlet. An example of implementation of DSP block of velocity meter based on FPGA. The digital processing unit is able to extract the Doppler frequency shift in the optical, microwave and ultrasonic measuring devices.
References:
June 24, 2020
May 29, 2020

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