svdexp1

说明：  采用MATLAB编写的最新俄罗斯方块的游戏，大家闲暇时可以练练。进入游戏输入：MTETRIS，小键盘的4256作为左下上右控制键，CTRL+P暂停游戏，同时可通过菜单改变游戏难度(Prepared using the latest MATLAB Tetris game, we can spare time练练. Input into the game: MTETRIS, small keyboard on the 4256 as the left right control keys, CTRL+ P suspended game, at the same time through the menu to change the game difficulty)

灰度共生矩阵提取纹理特征可用于图像纹理特征提取(GLCM texture)

采用PN码作为扩频码对信号进行扩频处理，采用BPSK进行调制，在加高斯白噪声的信道中进行传输，解调，误码率等(Using PN codes as spread spectrum code to spread spectrum signal processing, using BPSK modulation, in add white gaussian noise channel transmission, demodulation, bit error rate, etc)

跳时超宽带信号的功率谱密度，正弦信号调制的模拟PPM信号。(UWB signal power spectral density, sinusoidal analog signal modulation PPM signal.)

说明：  MATLAB系列讲座之一：MATLAB讲座一(Lecture Series of MATLAB: MATLAB Lecture 1)

一个简单的Kalman滤波程序，对学习Kalman滤波有很大的帮助(A simple Kalman filter program, to learn a great help Kalman filter)

Matlab编程实现FFT变换及频谱分析的程序代码 轴心位置论文 太阳黑子周期分析 基于广义解调时频分析的包络阶次谱在齿轮故障诊断中的应用 基于广义解调时频分析的包络阶次谱在齿轮故障诊断中的应用(Matlab programming FFT transform and spectral analysis of program code axis position papers sunspot cycle analysis based on generalized demodulation time-frequency analysis application based on the generalized demodulation envelope order spectrum frequency analysis in gear fault diagnosis envelope order Application times Spectrum Gear Fault Diagnosis)

Matlab-PSB-Electrical Sources使用说明(Matlab-PSB-Electrical Sources)

数字水印(digitalwatermarking)是一种信息隐藏技术，它的基本思想是在数字图像、音频或视频等数字媒体作品中嵌入秘密信息，以便保护数字作品的版权、证明作品的真实可靠性、跟踪盗版行为或提供作品的附加信息。(Digital Watermarking (digitalwatermarking) is a kind of information hiding technology, its basic idea is in the digital image, audio or video digital media works, such as embedded secret information in order to protect the copyright of digital works to prove that the true reliability of the work, tracking piracy works or provide additional information.)

this code has an amplitude modulation with plots.