PMD在dsp上的优化方案，一篇修改稿。主要是PMD的补偿方案，利用的pso算法优化。-PMD in the dsp on the optimization program, a revised version. PMD compensation scheme is mainly the use of the pso algorithm optimization.

K-means clustering algorithm based on the PSO, Very convenient to use, Mutual information is useful to calculate a set of procedures.