中文说明：已调制信号计算其普相关密度，包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，能量熵的计算，基于kaiser窗的双谱线插值FFT谐波分析，保证准确无误，是学习通信的好帮手，快速扩展随机生成树算法。
English Description：
Computation of signal modulation relative density of the general, including the music algorithm, ESPRIT algorithm Root-MUSIC algorithm, energy entropy calculations, based on Kaiser window double spectrum line interpolation FFT harmonic analysis to ensure accurate, is a good helper to learn communication, the rapid expansion of the random spanning tree algorithm.