对信号进行频谱分析及滤波，供做算法研究人员参考，IDW距离反比加权方法，用于特征降维，特征融合，相关分析等,采用波束成形技术的BER计算，BP神经网络用于函数拟合与模式识别。-The signal spectral analysis and filtering, Algorithm for researchers to do reference, IDW inverse distance weighting method, For feature reduction, feature fusion, correlation analysis, By applying the beam forming technology of BER BP neural network function fitting and pattern recognition.