rate_1_N_convolution_code_BER_curve

qpsk调制解调，外加取样判决脉冲成型，可以加入任何程序模块中，保证解码译码的便利性(qpsk modem, plus a sample sentence pulse shaping, you can add any program module to ensure ease of decoding decoding)

说明：  这个代码是关于神经网络的matlab代码，我觉得效果不错。(This code is on the neural network matlab code, I think good results.)

说明：  一种有效的滤波算法，通过比较特定区域内的像素点的邻域均值来进行图像的去噪滤波。(An effective filtering algorithm, by comparing the particular pixel within the region to the neighborhood mean filter for image denoising.)

peform sum of two matrices

butterworth高通滤波器的原程序，可用ＭＡＴＬＡＢ的ＦＩＬＴＥＲ函数测试．可得到高通滤波器数字系统函数的系数．(Butterworth high-pass filter the original procedure, MATLAB can be used to test the FILTER function. Available high-pass filter function of the coefficient of digital systems.)

simulation de la commande vectorielle directe et indirecte

有關於語音辨識的檔案，應用於matlab語言(about speech recognization imply in matlab)

列主元高斯分解 用于计算方法的线性方程组的求解(Out the main element Gaussian decomposition method used to calculate the solution of linear equations)

快速傅里叶变换代码 功率谱密度MATLAB代码(Fast Fourier Transform code power spectral density of MATLAB code)

隐马尔科夫模型，matalb实现，比较好的(Hidden Markov Model, matalb achieved relatively good)