基于小波变换和 HHT 的分布式并网系统谐波检测方法。 该方法利用小波变换多分辨率分析思想对信号进行划分，并对划分后的信号进行经验模态分解，得到一系列的经验模态函数IMF，并从 IMF分量中提取出基波分量和高次谐波；再对IMF分量进行Hilbert 变换得到信号的频率、幅值信息。-Wavelet transform and HHT based distributed systems and network harmonic detection method. The method use

针对谐波检测问题，比较几种常用谐波检测方法，总结出各自的适用条件。结合经验模态分解理论和总体平均经验模态分解(empirical mode decomposition，EEMD)算法，提出基于EEMD的谐波检测方法。-For harmonic detection problem, comparing several common harmonic detection method, summed up their applicable conditions. Combining theoreti

经典经验模态分解文章汇总，较好的综述了HHT-EMD方法的理论及使用方法。-Classic article summarizes empirical mode decomposition, a good overview of the theory and method of use HHT-EMD method.

基于经验模态分解的c语言实现，包括求取包络，插值，等。对于信号分解有一个新的认识。-Based on Empirical Mode Decomposition c language, including strike envelope, interpolation, and the like. For the signal into a new understanding.