基于分段非线性权重值的Pso算法，有PMUSIC 校正前和校正后的比较，旋转机械二维全息谱计算，加入重复控制，DC-DC部分采用定功率单环控制，LDPC码的完整的编译码。- Based on piecewise nonlinear weight value Pso algorithm, A relatively before correction and after correction PMUSIC, Rotating machinery 2-d holographic spectrum calculation, Join repetitive control, DC-DC power single-part set-loop control, Complete codec LDPC code.