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说明：  matlab code to open an image

Matlab code for PSO for the testing of Unconstraints Optimization problem

在matlab中实现峰值信噪比的函数 function y=psnr(im1,im2) 计算峰值信噪比程序——————————————— - ininput im1 : the original image matrix (For peak signal to noise ratio in matlab function function y = psnr (im1, im2) calculated PSNR program)

用于测试优化算法好坏的测试函数,包括多峰测试函数和单峰测试函数若干！(Optimization algorithms for testing the quality of test functions)

梳状导频方式下OFDM系统的LS、LMMSE算法比较(Comb Pilot OFDM system under LS, LMMSE algorithm)

mim0-ofdm多数图多输出系统训练序列的产生，结构，优化(mim0-ofdm multiple-output system, the majority of the training sequence diagram generation, structure, optimization)

汉明码的译码，用Matlab做的，适于初始学习汉明(Han plain code decoding, Matlab do, is suitable for the initial studies the Chinese Ming)

说明：  QPSK的Matlab/Simulink的调制解调仿真系统，给出接收信号眼图及系统仿真误码率，包含载波恢复，匹配滤波，定时恢复等重要模块，帮助理解QPSK的系统(QPSK Matlab/Simulink simulation system modulation and demodulation, the received signal is given eye and BER simulation systems, including carrier recovery, matching filter, timing recovery and other important module to help understand the system QPSK)

希望大家给予支持,可以运行的呀,有空的话来学习学习(hope that we can give support, running it, the time to do so to learn from)

file is usefl for classification