A novel SPHA comprised by FPGA and a signal processing method that can avoid the error output of traditional SPHA is introduced in this paper.
介绍了一种新型单道，将超大规模可编程集成电路FPGA和一种新的方法相结合，对脉冲幅度甄别的输出信号直接进行处理。
Time Reversal processing (TRP) is a signal processing method based on the focusing property. It attached more attention in underwater acoustic communication, active detection and so on.
时间反转处理(trp)是利用这种聚焦特性的信号处理方法，它在水声通信、主动声纳检测这类脉冲—回波型领域的应用研究越来越受到重视。
Using two-dimensional signal vectors, the process of Doppler shift modulation and demodulation is analyzed, and a signal processing method for extracting flow speed information is derived.
如何测量回波的多普勒频移，实现测流速的目的。 文中从二维信号矢量的角度分析了多普勒频移调制和解调的过程，推导出提取速度信息的信号处理方法。
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