多抽样率信号处理，虚拟力的无线传感网络覆盖，重要参数的提取，包括数据分析、绘图等等,利用matlab GUI实现的串口编程例子，基于互功率谱的时延估计。- Multirate signal processing, Virtual power wireless sensor network coverage, Extract important parameters, Data analysis, plotting, etc., Use serial programming examples matlab GUI implementation, Based on the time delay estimation of power spectrum.