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DCT变换：变换域系数选取采用阈值编码，：阈值越小，图像恢复效果越好，但压缩效果差，一般取在5-10 即可很好的获得恢复图像信息。(DCT transform: transform domain coefficients selected using the threshold coding: the smaller the threshold value, the better the image restoration, but the compression is poor, and generally in the 5-10 to get a good recovery image information.)

说明：  使用weber算法计算齿轮啮合刚度，具有重大意义。(It is of great significance to use the weber algorithm to calculate the gear mesh stiffness.)

经典载波跟踪环costas环simulink建模仿真，采用QPSK调制，包含上下变频以及三种不同鉴相方式。(Classic costas loop carrier tracking loop simulink modeling and simulation, using QPSK modulation, including the upper and lower frequency, as well as phase three different ways.)

基于最小生成树的最小连通支配集的一种优化算法(Based on minimum spanning tree of a minimum connected dominating set algorithm)

采用RS码技术的系统仿真，程序说明详尽，是学习通信技术的一个难得的好材料。(RS code using the system simulation, a detailed description of the procedures is to learn a valuable communication technologies good material.)

说明：  阵列信号处理-空间谱估计原理的基本算法-ESPRIT算法(Array signal processing- the principle of spatial spectrum estimation of the basic algorithm-ESPRIT algorithm)

基于直接扩频通信基础框架，在matlab程序下运行。基于直接扩频通信基础框架，在matlab程序下运行( Basic framework based on direct spread spectrum communication, running under matlab program. Basic framework based on direct spread spectrum communication, running under matlab program.)

由matlab实现的读取视频及音频的代码，并保存每一帧图像。(Read video and audio from the matlab code to achieve, and save each frame.)

说明：  包含两个灰色预测模型的MATLAB代码实现。1.灰色预测GM（1，1）模型。2.改变初始条件，以1-AGO序列的最后一个数据为初始条件的灰色预测模型。(Contains two gray prediction model matlab code. 1. Grey Prediction GM (1,1) model. 2. Change the initial condition, take the last data of 1-AGO series as the initial condition of grey prediction model.)

构建CDMA通信系统，包括发送，交织，调制，解调，接收等模块(Construction of CDMA communication systems, including the transmission, interleaving, modulation, demodulation, receiver modules)