采用差分阈值法对心电信号QRS波进行特征提取ecg0

Generation of different beampattern

此程序是在MATLAB下进行图像的重构，先创建图像，然后计算投影，最后重构图像。(This procedure is carried out in MATLAB reconstructed image, to create an image, and then calculating the projection, the final reconstructed image.)

matlab 数值分析于应用中的一些很用的 基本代码。(Matlab numerical analysis in the application of some very basic code.)

说明：  小型时域有限差分的程序，在matlab环境下运行。(Small FDTD program, run in matlab environment.)

　　　综合运用数字信号处理的理论知识进行生物医学信号分析与处理，实现ECG信号的频谱分析，基线漂移检测等，设计滤波器实现心电信号的滤波，滤去高频和低频干扰，加深理解信号预处理的原理、方法和步骤。本设计的主要内容是设计一个ECG信号频谱分析与处理系统，实现ECG信号的增强，得到相对纯净的ECG信号。(Integrated use of theoretical knowledge of digital signal processing in biomedical signal analysis and processing, implementation of ECG signal spectrum analysis, the baseline drift detection, design of filter realizes the ECG signal filtering, filter the high frequency and low frequency interference, deepen understanding, the principle of the signal preprocessing methods and steps. The main content of this design is to design a ECG signal spectrum analysis and processing system, realizes the ECG signal enhancement, get relatively pure ECG signal. )

An exapmle of matlab

根据飞机给出的纵向简化模型，设计飞机纵向增稳系统(According to the vertical plane gives the simplified model, the design aircraft longitudinal stability augmentation system)

基于matlab的音乐曲调模拟，挺有趣的一个程序。。(Based on the matlab music tunes simulation of, a very interesting program. .)

说明：  模糊聚类算法中的FCM算法，内容充实，注释详细！(Fuzzy clustering algorithm FCM algorithm, substantial and detailed comments!)

经过改良的经验模态分解降噪方法，认为噪声为高斯噪声。(The improved empirical mode decomposition denoising method considers noise as Gauss noise.)