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This code measures the perimeter of the land.

神经网络测试患者Patients with neural network testing(Patients with neural network testing)

自学Matlab必备的个小程序代码，数值分析的，里面有十个，需要的下载(Small program code, which must self-Matlab ten, you need to download)

声子晶体传递矩阵法计算能带，温熙森《声子晶体》，P53(Phonon crystal transfer matrix method to calculate the energy band, Wen Xisen " phononic crystals" , P53)

this is Brightness Preserving Bi-histogram Equalization.

Q函数、互补误差函数定义，以及之间的关系、matlab实现Q函数(Q function, complementary error function is defined, and the relationship between, matlab Q function)

打开摄像并进行照相eventdata reserved - to be defined in a future version of MATLAB handles structure with handles and user data (see GUIDATA) If Enable == on , s on mouse press in 5 pixel border. Otherwise, s on mouse press in 5 pixel border or over text3. (The JPG file RGB value is displayed in the txt documenteventdata reserved- to be defined in a future version of MATLAB handles structure with handles and user data (see GUIDATA) If Enable == on , s on mouse press in 5 pixel border. Otherwise, s on mouse press in 5 pixel border or over text3. )

amplitude comparsion of speech signals

通过输入单位脉冲序列从而得到相应的单位脉冲响应(Input unit pulse sequence get unit impulse response )

快速傅里叶变换 (FFT) 实现，给定信号x(t)=sin(2πf0t)，f0=50Hz，对x(t)以fs=200Hz进行抽样，抽样点数为N=16。编写程序实现对x(n)的快速傅里叶变换，求得相应的X(K)。(Fast Fourier Transform (FFT) to achieve a given signal x (t) = sin (2πf0t), f0 = 50Hz, for x (t) with fs = 200Hz sampling, the sampling points is N = 16. Procedures for the preparation of x (n) of the fast Fourier transform, obtained by the corresponding X (K).)