基于分段非线性权重值的Pso算法，对HARQ系统的吞吐量分析，MIMO OFDM matlab仿真,可以动态调节运行环境的参数，pwm整流器的建模仿真，添加噪声处理，包括随机梯度算法，相对梯度算法，IDW距离反比加权方法。- Based on piecewise nonlinear weight value Pso algorithm, HARQ throughput analysis of the system, MIMO OFDM matlab simulation, Can dynamically adjust the parameters of the operating environment, Modeling and simulation pwm rectifier Add noise processing, Including stochastic gradient algorithm, the relative gradient algorithm, IDW inverse distance weighting method.