FFTsolver

this is the toolbox for an ECg signal

利用Matlab提供的firhalfband函数设计阶数为16、通阻带容限为0.0001的半带滤波器。 仿真测试滤波前后的信号时域图，绘制滤波器的频率响应特性图。( Matlab provides firhalfband function design of the order number is 16, stopband tolerance of 0.0001 half band filter. simulation test before and after filtering signal time domain graph, drawing filter frequency response characteristics of the figure.)

本文利用MATLAB 提供的图形图像工具箱里的GU ID E工具,进行简单的心电信号界面的菜单和对话框的设计,使心电信号在记录、处理与诊断方面提供了可视化环境。(MATLAB graphics toolbox GU ID E tools the a simple ECG signal interface design of menus and dialog boxes, the ECG recording, processing and diagnosis provides a visual environment.)

基于matlab算法开发点云数据x/y/z坐标提取，算出相关粗糙度。(The point cloud data x/y/z coordinate extraction was developed based on matlab algorithm to calculate the correlation roughness.)

说明：  新能源汽车设计和控制，开发该算法，可以解决汽车能量回收问题。(And new energy vehicle design and control)

实现阵列信号处理中波达方向DOA估计的MUSIC算法(DOA estimation of MUSIC algorithm to achieve)

Extract satellite ephemeris data from RINEX version 2.1 navigation data file.

采用稀疏矩阵的PQ分解法潮流计算程序（依据《电力系统计算》一书附录用C语言编写，使用方法、变量名称都与书上一致）(Decoupled load flow)

对流层干延迟模型Saastamonien模型的MATLAB代码，同时包含验证PWV残差图(Tropospheric delay model Saastamonien MATLAB code and contains validation PWV residual plots)

分别使用矩形窗和汉明窗函数设计一个线性相位FIR低通滤波器，使其逼近理想低通滤波器的频率特性。采用频率抽样法设计FIR数字低通滤波器滤波器。(Using rectangular window and hamming window function to design a linear phase FIR low-pass filter, the frequency characteristics of the ideal low-pass filter. Frequency sampling method is used to design FIR digital filter based on low-pass filter.)