digital-filter

说明：  干涉仪相位分析程序，可用来提取干涉条纹移动的相位信息(interferometer phase analysis program that can be used to extract the interference fringes mobile phase information)

脉冲编码调制(PCM)实现 编程实现PCM技术的三个过程：采样、量化与编码。 采样：低通连续信号采样，以 x=sin(200*t) m=x./(200*t) m=m.*m 为例说明低通采样定理，绘出信号时、频图形；带通连续信号采样，以x=sin(20*t) m=x./t 为例说明带通采样定理，绘出信号时、频图形。 量化：均匀量化，以幅度 的正弦信号为例实现为64级电平的均匀量化；非均匀量化，输入A律PCM编码器的正弦信号 ，采样序列为 ，将其进行PCM编码，给出编码器的输出码组序列 编码：以上述信号为例，实现A律的13折线近似法及国际标准PCM对数A律量化编码。(Pulse code modulation (PCM) to achieve PCM technology programming three processes: sampling, quantization and coding. Sample: low-pass continuous signal sampling to x = sin (200* t) m = x./(200* t) m = m.* m an example low-pass sampling theorem, draw the signal, frequency graphics bandpass sampling continuous signals to x = sin (20* t) m = x./t an example bandpass sampling theorem, draw the signal, frequency graph. Quantization: uniform quantization, in order to realize the magnitude of sinusoidal signal as an example for the 64 level uniform quantization non-uniform quantization, input A law PCM encoder sine signal, the sampling sequence, to be PCM encoded, the encoder is given The output code sequence Code: A Case Study of the signal to achieve the 13 A line approximation law and international standards on the number of A law PCM coding quantization.)

tfsa的工具箱，包括了wvd一系列的时频域处理工具。使用方法，直接将该压缩包拷贝到任意目录，解压，使用matlab添加该路径就可以。(Tools to deal with non-stationary signal including a series of wvd. You can use it by uncompressing and including it in the matlab.)

要求：从x(t)=sin(2*pi*5*t)+sin(2*pi*200*t)+sin(2*pi*50*t)信号中滤出频率为5Hz的信号(Requirements: from x (t) = sin (2* pi* 5* t)+ sin (2* pi* 200* t)+ sin (2* pi* 50* t) signal to filter out the signal frequency of 5Hz)

波尔兹曼格子法计算流体分析的matlab实例(Lattice Boltzmann method matlab examples)

说明：  本程序是基于BP神经网络的程序，详细的说明了各个参数及函数体的内容，值得下载。(This procedure is based on BP neural network program, a detailed description of the contents of each parameter and the function body, it is worth the download.)

基于DCT变换的图像压缩的基本原理及其实现步骤。采用DCT变换压缩的依据。图像压缩过程的最后步骤是编码量化了的图像。在此,我采用的是Huffman编码方法。并使用MATLAB7.0实现DCT图像压缩的仿真。(DCT based on the image compression)

Multiscale Block Compressed Sensing with Smoothed Projected Landweber Reconstruction

AIC准则用于信源数估计 matlab源程序(criteria for the AIC source estimates Matlab source)

DVB_S2_LDPC整体累积编码算法文档(DVB_S2_LDPC overall cumulative encoding algorithm document)