BP神经网络函数拟合源程序,可实现BP网络的算法拟合

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)

matlab实现的遗传算法和蚁群算法，结合了JwZIYT算法的优点，解决Agzwzah问题，求其最优解的整个步骤，是个不错的程序，调试没有错误 (Genetic algorithm and ant colony algorithm matlab implementation, combined with the advantages ofJwZIYT algorithm to solve Agzwzah problem, the entire step of seeking the optimal solution, is a good program, no error debugging )

此文件包含了zoom-fft算法语言，结果与FFT对比图片输出(This file contains ZOOM-FFT algorithm language, the results are compared with FFT image output.)

该函数用来计算任意函数的一阶偏导数(数值方法),采用的是通用的平面波展开法,这个有中文注释，看得明白，能量熵的计算，包括面积、周长、矩形度、伸长度，具有丰富的参数选项。

小波分析理论及MATLAB7实现的例程,第16章小波工具箱的应用基础(Wavelet analysis theory and realize MATLAB7 the routines, Chapter 16 of the application based on wavelet toolbox)

文化算法的MATLAB实现。实验结果表明该算法具有良好的性能。(MATLAB implementation of cultural algorithms. Experimental results show that the algorithm has good performance.)

analysis example frequency varable signal and different bandwidth

说明：  基于 MATLAB 的时域信号采样及频谱分析。(spetrum ansys)

说明：  关于ofdm的matlab文章，写的很好，很适合刚进入ofdm领域的人(Ofdm matlab on the article, well written, very suitable for people just entering the field ofdm)

reduce file size of images with bit techniques