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说明：  用matlab实现巴特沃斯高通和低通滤波滤波，对图像进行相应的处理(Using matlab to achieve Butterworth high-pass and low-pass filtering filtering, the image corresponding treatment)

THIS CODE FOR take photo in webcam,very usefull

说明：  3个切换系统的算例仿真matlab程序 带有控制器的切换系统稳定性分析应用到的仿真算例。 运用的条件语句(Matlab program for simulation of three switching systems)

立体矫正是用于立体匹配之前 此代码用MATLAB实现了立体校正(Stereo rectiting is used to stereo matching.This code use Matlab to complete the stereo)rectity.)

This function is a very simple application of FFT2 for an image to simulate the effect of bandpass filter with two cut off frequencies. One can easily modify the programme to do the processes for different images, and even implement highpass and lowpass filter

语音的预加重和去加重，进行语音的前期处理，减少噪声。(Voice of the pre-emphasis and de-emphasis, voice of the pre-processing to reduce noise.)

双极性不归零码、双极性归零码和差分码的时域及功率谱密度图的绘制(bipolar not NRZ, bipolar NRZ and difference time-domain code and power spectral density Map)

（1）对选定二阶电路图进行仿真，得到仿真的输入、输出数据； （2）建立二阶系统函数，用模拟的方法求解其响应，并用matlab平台求出响应波形； （3）对数据进行拟合； （4）对拟合的结果进行误差分析 ((1) on the selected second order circuit diagram of the simulation to obtain a simulation of the input and output data (2) the establishment of the second order system function, solving the response by the simulation method, and was determined using matlab platform response waveform data (3) be fitted (4) the results of the fitting error analysis)

倒立摆模型源码及机构图，可以方便大家对于倒立摆模型的应用及改造(Inverted pendulum model source and organization chart, can facilitate the application of the inverted pendulum model and transformation)

激光位移传感器测量齿轮的数据，在数据中进行特征点提取算法。(The laser displacement sensor measuring gear data, feature points in the data extraction algorithm.)