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数字信号处理的实验课件，含有matlab的各种代码，。(signal operation)

Embedding text into random pixels of an image

dft波束形成程序，空间波束形成，在雷达、声纳行业中有广泛应用(P <0.05 beam forming processes, space beam forming, in radar, sonar sectors which have wider application)

说明：  GP算法计算嵌入维数，包括了关联维数的程序等等都集合在里面 可以看到源程序，加入了典型混沌数据供各位同行进行分析。(GP algorithm embedding dimension, including the correlation dimension of the program, etc., which can be seen in the collections of the source, adding the typical chaos for colleagues to analyze the data.)

非线性动力学、分岔 Matlab 程序实现，弹簧质量系统在简谐激励作用下的受迫振动，弹簧的恢复力F与变形x的关系为F=kx3，动力学方程为...30cosmxcxkxFwt++= 其中，给定参数，1m=，0.3c=，1.0k=，1w=，初始条件为(0)3.0x=，.(0)4.0x=设系统的动态参数为F0，绘出系统状态变量随参数变化分岔图，绘图参数对应的系统各周期及混沌状态的时间历程图、相轨迹图、Poincare映射图(Nonlinear dynamics, bifurcation Matlab program, the forced vibration spring-mass system under harmonic excitation, spring restoring force F and deformation x relationship the F = kx3, kinetic equation for ... 30cosmxcxkxFwt++ = wherein the given parameters, 1m = 0.3C = 1.0k = 1W =, initial condition (0) 3.0x = (0) 4.0x = set of the dynamic parameters of the system for the F0, plotted system status system cycle and chaotic state variables with parameter changes bifurcation diagram, drawing parameters corresponding time course of the phase trajectories, Poincare map)

有关DFA和MF-DFA的一些代码，只要你能仔细阅读的话相信总有一个适合您(Some code about DFA and MF-DFA, as long as you can read carefully, then I believe there is always a right for you)

可实现对信号的小波分解及滤波..........(wavelet transform decomposition and denoising.)

How to transmit a QPSK signal

simlink的开发和框图还有s文件通过它可跟好的了解simlink的使用(Block Diagram of the development and simlink)

包含轴承故障数据，来源于MFPT（Machinery Failure Prevent Technology）论坛，分四组训练数据和测试数据； 数据可直接做频谱分析，效果很好(contain bearing faults data sets, 4 train datas and 4 test datas, can be used for FFT/envespectrum analysis, and you will get perfect effects.)