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利用小波分析方法取代传统的傅立叶方法对微弱的磁光记录薄膜信号进行分解、滤波和局部信号处理，大大提高了测量的灵敏度，更好地分析了磁光记录薄膜的基本特性。
The wavelet analysis method is used to replace the traditional Fourier method to decompose, filter and local signal processing of the weak magneto-optical recording film signal, which greatly improves the measurement sensitivity and better analyzes the basic characteristics of the magneto-optical recording film.