DFT

This simple source codes implement cognitive radio.Hope its useful for you.

MATLAB实验教程，包含通信方向的所有基础实验：矩阵运算，图形显示，调制解调，误码率分析以及功率谱密度编写和实现。(MATLAB experiment course, including communication of the direction of all the base experiment: matrix computation, graphs, demodulation, ber analysis and power spectral density to write and realized. )

采用MATLAB实现图像信息隐藏。将文本信息，通过DCT和LSB算法嵌入到二维图像中实现信息隐藏。(hide information into voice signal with the methods of DCT and LSB)

Program generate a random binary sequence, introduce ISI and show the diagrams. Next filter minimalized ISI and generate the graph.

一个关于matlab实现的定点仿真程序，FPGA之前的浮点转定点内容(On a fixed-point simulation program matlab implementation, FPGA floating-point turn before the designated content)

用谱方法计算流体力学一些流动现象的整体稳定性,小波包分析提取振动信号中的特征频率，关于超声波倒车雷达测距的。( Spectral methods of computational fluid dynamics flow of some of the overall stability of the phenomenon, Wavelet packet analysis to extract vibration signal characteristic frequency, About ultrasonic parking radar ranging.)

最优波束形成算法（标准矩形阵列的波束方向图的幅度、切面极坐标、切面图、幅度等高线图等）(Optimal beamforming algorithm (standard rectangular array beam pattern amplitude, the section in polar coordinates, the section map, magnitude contour map, etc.))

利用总体变分法实现图像去噪，内有详细说明和事例(Variational method used to achieve the overall image denoising, with detailed descriptions and examples)

The routine potsband calculates a bandpass filter corresponding to the standard telephone passband(potsband calculates a bandpas 's filter corresponding to the standard telepho ne passband)

说明：  本程序是对V-BLAST系统及其检测算法的仿真，可采用BPSK,QPSK,16QAM,64QAM调制。(This procedure is to the V-BLAST system and its detection algorithm simulation, can use BPSK,QPSK,16QAM,64QAM modulation.)