Abstract: De-noising method based on multi-resolution theory of wavelet is applied to dispose the metrical data of magnetic coating pachometer.The effect is well.

• 文章摘要: 基于小波变换的多尺度分析理论，将小波去噪技术应用于磁感应原理的涂层测厚信号的处理中，能够较好的滤除噪声；