A simple method for estimating the velocity based on the Doppler shift

A simple method for estimating the velocity of a moving target is presented, based on the Doppler shift. The relationship between the ML estimation and the FFT is exploited to obtain a practical implementation. With the help of adaptive noise canceling to increase the input SNR of the FFT, high-prec...

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Bibliographic Details
Main Authors: Ge Fengxiang, Peng Yingning, Wang Xiutan
Format: Conference Proceeding
Language:English
Subjects:
Azimuth
Doppler radar
Doppler shift
Frequency estimation
Modems
Radar detection
Signal analysis
Signal resolution
Signal to noise ratio
Sonar detection
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Summary:A simple method for estimating the velocity of a moving target is presented, based on the Doppler shift. The relationship between the ML estimation and the FFT is exploited to obtain a practical implementation. With the help of adaptive noise canceling to increase the input SNR of the FFT, high-precision analysis for the single-frequency signal is easily accomplished. Simulation shows that the method presented meets the high demand required in practice.
DOI:10.1109/ICR.2001.984712