bpsk_spread

这是计算各种物体类间距离的一种方法，用Matlab实现了．(This is the calculation of various types of distance between objects is a means to realize the use of Matlab.)

该文件夹内是正交频分复用的matlab程序实现方法，希望对大家学习有用(The folder is orthogonal frequency division multiplexing matlab program implementation, we hope to learn useful)

CEC2017单目标测试函数，分享给需要的同学们(CEC2017 single objective test function)

说明：  一个英文版的simulink教程，英文好的朋友可以学习一下，对simulink学习很有帮助的(An English version of simulink tutorial in English can learn about good friends, very helpful for learning simulink)

瑞利信道的仿真程序，很经典！！建议查看(Rayleigh channel simulation program, classic! ! Recommendations View! !)

基于能量检测的频谱感知.由于实际信道中的多径和阴影效应，单个认知用户频谱感知的性能受到影响，因此需要靠不同用户间的协同频谱感知来对抗多径和阴影效应。本设计要求在文中采用一种协作机制，即两用户进行协作频谱感知，提高主用户的检测率，减少检测时间，并且得到捷变增益。要求给出仿真结果。(spectrum sensing in cognitive radio based on energy detection.As the channels in diameter and shadow, not a single user spectrum of capabilities and therefore need different between a user to the spectrum is perceived as more and the effect. this design for the use of a coordination mechanism, the two users collaborate spectrum, the detection rate of increase and decrease the test of time and get a change requires immediate gain. some emulation. )

使用迭代算法对运动目标进行分割，阈值可以自适应调节(Using an iterative algorithm for moving target segmentation threshold can adaptively adjust)

冈萨雷斯数字图像处理MATLAB版图片，给需要这些图片朋友(Gonzalez Digital Image Processing MATLAB version of pictures, to the need for these pictures Friends)

用MATLAB仿真现代谱估计中的自相关算法(MATLAB simulation of modern spectral estimation using the autocorrelation algorithm)

说明：  PM system payment e-voucher automatic.