采用波束成形技术的BER计算，包含了阵列信号处理的常见算法，在matlab R2009b调试通过，基于分段非线性权重值的Pso算法，使用混沌与分形分析的例程，三相光伏逆变并网的仿真，有PMUSIC 校正前和校正后的比较。- By applying the beam forming technology of BER Contains a common array signal processing algorithm, In matlab R2009b debugging through, Based on piecewise nonlinear weight value Pso algorithm, Use Chaos and fractal analysis routines, Three-phase photovoltaic inverter and network simulation, A relatively before correction and after correction PMUSIC.