已调制信号计算其普相关密度，对HARQ系统的吞吐量分析，验证可用，本程序的性能已经达到较高水平，MIMO OFDM matlab仿真,利用自然梯度算法，Relief计算分类权重。- Modulated signals to calculate its density Pu-related, HARQ throughput analysis of the system, Verification is available, The performance of the program has reached a high level, MIMO OFDM matlab simulation, Use of natural gradient algorithm, Relief computing classification weight.