已调制信号计算其普相关密度，包括最小二乘法、SVM、神经网络、1_k近邻法,与理论分析结果相比，各种kalman滤波器的设计，模拟数据分析处理的过程。- Modulated signals to calculate its density Pu-related, Including the least squares method, the SVM, neural networks, 1 _k neighbor method, Compared with the results of theor