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粒子群优化算法的matlab源码，供学习粒子群的同学参考(This is the Particle swarm optimization algorithm matlab source code, just provide reference for guys learning of the particle swarm.)

matlab的十几种图像滤波算法，费好大力气才找到的，希望能给于借鉴(several image filtering algorithm, spent many great efforts to find, in the hope that they will learn from)

this is the example for matlab GUI

QPSK信号经过调制，高斯信道，带通滤波器，解调，判决，误码率仿真( QPSK modulated signal, Gaussian channel, bandpass filters, demodulation, judgments, BER simulation)

简单的用PCA实现人脸识别的matlab程序(Face recognition using PCA to achieve)

说明：  zigbee三边测量法，简单实用，适合初学者(zigbee trilateration, simple and practical, suitable for beginners)

在MATLAB环境下开发的基于AIC和MDL准则的远场入射新号的数目估计，估计准确度都很高，仿真效果理想(Developed under the MATLAB environment, based on AIC and MDL criteria for the far-field incident estimated number of new numbers, it is estimated have a high accuracy, simulation results are satisfactory)

说明：  例题全部代码. 薛定宇, 陈阳泉. 高等应用数学问题的Matlab求解.(All the code examples. Xue Dingyu, Chen Yangquan. MATLAB to solve higher applied mathematical problems.)

个给定一段信号，采用不同的方法实现QPSK和OQPSK调试信号仿真(A given period of the signal, using different methods to achieve QPSK and OQPSK signal simulation debugging)

对于初学者来说，有助于理解滤波器的原理还附有简单的matlab编程(For beginners to understand the principles and simple filter matlab programming)