Nonmagneticsample

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)

加权中值滤波，用于图像增强，只用于超声图像，对超声图像去噪有很好的效果。内还包括信噪比计算方法。(weighted median filter for image enhancement, only for ultrasound images of ultrasound image denoising with very good results. Which is also a signal-to-noise ratio calculation.)

dg placement by pso algorithm

蒙特卡罗方法（Monte Carlo method）在通量计算中的应用(Monte Carlo method applied in the flux calculation)

对于非平稳信号，用emd分解后，进行hibert变换后，输出时频三维图，(Output frequency of the three-dimensional map)

Fourier Transforms with MATLAB

Gaussian Elimination with Pivoting Method by Cheuk Function uses Gauss elimination with pivoting to solve a linear system in standard format. (linear, algebra, gaussian)

小波神经网络的实现程序，编成运算，基于matlab的运算 (Wavelet neural network realization of the procedures into operation, based on the matlab computing)

this is the matlab code for dip lab programs

69-bus distribution load flow