用双谱和小波变换去除信号中加性高斯噪声的相关程序

1.实现单个变量的双谱分析程序

2.用傅立叶反变换求自相关函数的程序

3.用fft求取喜好频谱、功率谱、均方根谱、对数谱的程序

4.读取.wav语音信号后用小波去加信白噪声的程序

5.用各种小波和阀值对同一信号去加性噪声效果比较的程序

-Double-spectral and wavelet transform to remove the signal plus Gaussian noise procedures 1. To achieve a single variable pairs of spectral analysis procedures 2. Using Fourier inverse transform procedures for seeking self-correlation function 3. To strike a preference to use fft spectrum , power spectrum, RMS spectrum, several spectra of the procedure 4. read. wav audio signal with wavelet plus a letter to the white noise process 5. with a variety of wavelet and threshold on the same signal to additive noise Comparison program