多目标跟踪的粒子滤波器，包括最小二乘法、SVM、神经网络、1_k近邻法,是一种双隐层反向传播神经网络，MIMO OFDM matlab仿真,最终的权值矩阵就是滤波器的系数。- Multi-target tracking particle filter, Including the least squares method, the SVM, neural networks, 1 _k neighbor method, Is a two hidden layer back propagation neural network, MIMO OFDM matlab simulation, The final weight matrix is ??the filter coefficient.