Method and device for measuring speed and distance based on OFDM signal
作者： Zhang Yifan , Feng Zhiyong , Yan Zhengxing , Huang Sai
DOI:
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摘要: The embodiment of the invention provides a method and device for measuring speed distance based on an OFDM signal. comprises steps that radio frequency signal obtained after time domain baseband is converted transmitted, wherein transmission resource element matrix; at position transmitting signal, echo formed in mode scattered overlaid through all to-be-detected objects received; receivingtime matrix extracted from signal; receiving matrix, anenvironment state sensing calculated; discrete Fourier transform inverse transform, environment transformed, target obtained; two-dimensional graph expressed by modular relative speeds distances theto-be-detected are determined. By adopting scheme, resolution ratio using increased.
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