eetop.cn_DAC

Matlab code to simulation the wireless channel type.This is the most common case called Rayleigh channel.And in the frequency selective channel.

本程序用于寻找图像中的圆形，属于特征提取的类型(This procedure is used to find the image in the round, belongs to the type of feature extraction)

OFDM is a frequency-division multiplexing (FDM) scheme used as a digital multi-carrier modulation method. A large number of closely spaced orthogonal sub-carrier signals are used to carry data on several parallel data streams or channels.

压缩感知理论及其研究进展,文综述了cs理论框架及关键技术问题，并着重介绍了信号稀疏变换、观测矩阵设计和重构算法三个方面的最新进展，是一篇综述。(Compression perception theory and research progress, cs paper reviews the theoretical framework and key technical issues and focuses on the latest developments signal sparse transform observation matrix design and reconstruction algorithms in three aspects, is a review.)

levy飞行改进pso,更好的pso改进措施，大家可以看看(levy_Flight to improve pso)

说明：  这是一篇关于视频序列人脸图像分割与识别技术研究的文章(This is a video sequence of image segmentation and face recognition technology research articles)

for direction of arival

This is code to simulation of AM, FM, PSK, QAM modulation

格子Boltzmann方法，D2Q9模型，模拟多孔介质流动(Lattice Boltzmann method, D2Q9 model to simulate the flow in porous media)

发生在时变系统中所展示的频谱扩展。待仿真系统是一个简单系统，其中系统的代桶输入是一个形为x(t)=cos[2π(f0+f1)t]的“音频”。(Occurred in the time-varying system in spread spectrum display. Subject to the simulation system is a simple system in which the generation of the system input is a bucket-shaped to x (t) = cos [2π (f0+f1) t] of the " audio." )