This method not only can solve the conflict commendably between the local characteristics of protection signal and restriction of noises, thus properly de noise the quality signals, but also realizes the compression of the data.

• 该方法不仅较好地解决了保护信号局部特征与抑制噪声之间的矛盾 ,能很好地对各种电能质量信号进行去噪处理 ,而且达到了数据压缩的效果。