kalman-filter

此程序是对齿轮信号进行模拟分析，并通过小波变换进行信号重构(This procedure is to simulate the gear signal analysis and signal reconstruction by wavelet transform)

利用KNN最近邻算法，对心音信号进行分割并判断，给出第一心音、第二心音和收缩期、舒张期。(Use KNN nearest neighbor algorithm, the heart sound signal is divided and judgment is given first, second heart sound and systolic, diastolic.)

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)

在matlab上利用鲍威尔发求解的优化算法(In Powell made using matlab to solve the optimization algorithm)

matlab关于数据存取的技术总结，包括如何读取各种不同格式的数据到矩阵中(matlab summary about data access technologies, including how to read a variety of different formats of data to the matrix)

program for autocorelation

This program embed watermark in the wavelet coefficients.Recovery of watermark possible even in presence of noise.Evaluated with psnr

用matlab编写的用于跳频技术的基于simulink环境的仿真程序-using Matlab prepared for the frequency-hopping technology based on Simulink environment simulation program (Matlab prepared for the use of frequency-hopping technology environment based on simulink simulation program-using Matlab prepared for the frequency-hopping technology based on Simulink environment simulation program)

DOA估计源码，Bartlett估计算法，估计性能极佳(DOA estimation matlab code)

计算一维和二维表面粗糙度Ra，根据需要自行选择。(Calculate one and two dimensional surface roughness Ra, according to the needs of your choice.)