Hidden-markov-model-Heart-Sound-Data-Estimation

运动目标区域重心点的横坐标、在matlab中实现 纵坐标计算(Moving target area center of gravity of the abscissa, ordinate calculation)

本matlab程序对滚动轴承的外圈进行了分析研究，与正常情况下的做对比，可以发现故障的位置，进一步的对比还要再做研究。(The matlab program analysis, and under normal circumstances, the contrast of rolling bearing outer ring, you can find the location of the fault, further comparison should also do research.)

说明：  matlab中值滤波函数，有效去除噪声干扰(Matlab median filter function, effectively remove noise interference)

说明：  MATLAB编写的segy地震数据地震数据读写代码。从事地球物理地震勘探的人员可以参考。(MATLAB prepared segy seismic data seismic data read and write code. Engaged in geophysical seismic exploration personnel can refer to.)

gsm tch/fs语音信道传送接收过程仿真，包括外编码卷积码交织过程，仿真得到语音信号的误码率曲线。(gsm/fs voice transmission channel receiver process simulation, including the encoding process convolutional codes are intertwined, Simulation is the voice signal BER curves.)

基于MATLAB写的调试通过的QRS检测算法，具有信噪比估计、阀值预测的斜率检测算法。(Written based on MATLAB debugging through the QRS detection algorithm, with SNR estimation, prediction of the slope threshold detection algorithm.)

Matlab环境下利用Daubechies小波族中的db10小波对散斑退化图像进行了压缩数值仿真研究。研究表明：阈值以及分解层次的选取影响着图像压缩的质量。(Matlab environment using Daubechies wavelet tribal db10 wavelet the withdrawal of speckle image compression for the numerical simulation. Research shows : the threshold level of decomposition is influenced by the quality of image compression.)

TEST SAMPLES TO ECG IN MATLAB

小波矩特征提取matlab代码 (Wavelet moment feature extraction matlab code)

归一化最小均方误差，是一种改进的最小均方误差算法，不受输入信号的大小的影响(NLMS )