wushizhen

Demo macro to extract frames and get frame means from an avi movie and save individual frames to separate image files. Also computes the mean gray value of the color channels.

程序实现用脉冲响应不变法和双线性变换法设计IIR滤波器，包括低通滤波器和高通滤波器，其中采样点N=1600，采样频率Fs=10000.(The same impulse response and bilinear transform IIR filter design, including low-pass filter and a high pass filter, where sampling points N = 1600, the sampling frequency Fs = 10000.)

arima代码具体实现 包括平稳性检验 差分 以及预测 数据不在压缩包中 使用者可根据自身情况使用(The specific implementation of the ARIMA code includes the stationary test difference and prediction. Data is not used in compressed packets, users can use them according to their own circumstances.)

汽车直线行驶工况分析，simulink模型，可自行修改参数(Automotive straight driving cycle analysis, simulink model, free to modify the parameters of)

自动删除数据文件中的字母，只读取其中的数字行~~~(Automatically delete the data file of letters, which read only the number of line ~ ~ ~)

绘画GPS卫星地面跟踪轨迹图程序，适合GPS初学者(GPS CONSTELLATION PLOT)

CINIT forms the matrix containing the control point position, orientation and geometry. This is an internal function used by CIRCAL, CIRCALW, and EXTCAL.(CINIT forms the matrix containing the control point position, orientation and geometry. This is an internal function used by CIRCAL, CIRCALW, and EXTCAL.)

实现通信接收端信号处理编程，用于MIMO技术处理，自己调试的(Communications receiver to achieve signal processing program for the MIMO technology to deal with their own debugging)

用凯泽窗设计线性相位带通FIR滤波器 计算理想带通滤波器单位抽样响应ha(n)的M函数文件dbpfr.m 计算凯泽窗函数wk(n)的M函数文件kwnd.m(Keyser window design with linear phase FIR bandpass filter calculate an ideal band-pass filter response ha sampling units ( n) M function calculation Keyser dbpfr.m document window function wk (n) M-function document kwnd.m)

阈值迭代分割图像，可以为研究迭代法朋友们提供一定帮助。(Iterative image segmentation threshold can be friends for the study iterative methods provide some help.)