prog2

将图象分块(8*8)，作DCT变换，并作IDCT：DCT是一种可分离图象变换，用来图象压缩编码，IDCT用来解压缩。(The image sub-block (8* 8) for the DCT transform, and to make IDCT: DCT is a separable image transformations, is used to image compression coding, IDCT is used to decompress.)

说明：  语音信号试验语谱图、高通、低通，可以将时域分析中的方法应用于we_be10k语音段，还可以用auread、wavread等命令读入语音段进行处理。(we_be10k auread、wavread )

一维MUSIC算法的Matlab程序，可以仿真，很好用(One-dimensional MUSIC algorithm in Matlab)

实际系统地介绍了语言与MATLAB接口函数的编程方法。用实例详细地介绍了MATLAB中所供的数据类型在C-MEX函数中的编程方法。(Actual systematic introduction to the language with the MATLAB programming interface function. Described in detail with examples in MATLAB for the data types in C-MEX function of programming.)

连续隐马尔可夫识别程序。 包含的模块，可以比较完整地进行语言识别。 主要模块： Test.m Train.m viterbi.m baum.m pdf.m recog.m mixture.m mfcc.m (speech recognize using HMM include 11 matlab fuction: Test.m Train.m viterbi.m baum.m pdf.m recog.m mixture.m mfcc.m )

主要讲解的低噪比下跳频信号的调速估计问题，可以作为一定的参考(The main explanation of the low-noise ratio of the speed estimation of frequency hopping signals, can be used as a reference)

通过matlab仿真工具仿真分析了APSK调制方式在典型的加性高斯白噪声下的传输性能(Through simulation matlab simulation tool analyzes APSK modulation in a typical additive white Gaussian noise transmission performance)

matlab 分别利用邻域平均和K点平均对椒盐噪声图像，高斯噪声图像，乘性噪声图像进行处理，比较两者的差别(matlab use neighborhood were average and K-point average for salt and pepper noise image, Gaussian noise images, image processing multiplicative noise, compare the difference between the two)

这是根据汽车理论中的驱动力平衡基本方程所搭建的汽车行驶二自由度simulink仿真模型(this is a 2 degree dynamics simulating model under the matlab/simulink environment)

总变分滤波，可运行，用MATLAB编写，适用于一维数据。(total variation filtering method to one dimensional signal)