中文说明：MIMO OFDM matlab仿真,相参脉冲串复调制信号，给出接收信号眼图及系统仿真误码率，包括随机梯度算法，相对梯度算法，用于建立主成分分析模型，BP神经网络用于函数拟合与模式识别。
English Description：
Matlab simulation of MIMO OFDM coherent pulse on complex modulation signal is received eye diagram of signal and system simulation of bit error rate (BER), including the stochastic gradient algorithm, relative gradient algorithm for a principal component analysis (PCA) model and BP neural network for function approximation and pattern recognition.