duoxianpreadth

OFDM 自适应算法能够根据信道的状况进行比特和功率的分配，能够有效的降低误码率.本程序综合了迭代注水算法，CHOW算法，FISHER算法，H-H算法，以及自己改进的迭代注水算法程序，并进行了对比，改进的算法在有效性与迭代注水算法基本相近，但复杂度和实际应用性都更强，值得参考。(OFDM adaptive algorithm make the bit and power allocation according to the status of the channel .It can effectively reduce the error rate.This program combines iterative algorithm, water injection CHOW algorithm, FISHER algorithm, the algorithm of H- H,as well as their improved iterative allocation algorithm procedures.And has carried on the contrast, the improved algorithm in effectiveness and iterative allocation algorithm basic similar, but the complexity and practical applications were stronger with worthy of reference.)

gait recognization of a person

说明：  可以比较两种信道估计算法的BER和均方误差(The BER and mean square error of the two channel estimation algorithms can be compared)

用 MATLAB 对基带数字通信系统进行仿真。整 个系统模拟了发送和接收的全过程。其中调制部分采用 16QAM，并且采用基带传输(Using MATLAB for baseband digital communication system simulation. The system simulates the entire process of sending and receiving. Where the modulation part is 16QAM, and using the base band transmission)

实用性代码，可以在手机等移动设备上很好的使用，可操作性强。(Usefulness of the code can be very good for use on mobile phones and other mobile devices operable.)

空时编码，内容涉及mImo的各个方面，介绍很全面，很有帮助(Space-time coding, covering all aspects of Mimo, introduce very comprehensive, very helpful)

这个程序用蒙特卡洛法计算了单小区用户利用D2D通信解码转发中继选择情况下的误码率(This program calculates the bit error rate of single cell users using D2D communication decode and forward relay selection)

说明：  说明：此为球形开关测试程序的上位机软件。 能够记录由下位机上传的每支球形开关 的通断情况，自动记录上传的时间， 并且会将历次的结果保存在PC机的硬盘 中，带有具体的日期，方便查询。(Note : This spherical switch to the testing procedures PC software. To record the next crew uploaded each spherical switch-off, automatically records upload time, and will keep all the previous results of the PC's hard disk, with the specific date, and easily accessible.)

该程序实现水声信道的模拟方法及性能分析，提出了一种信的水声信道模型(The program implements underwater acoustic channel simulation methods and performance analysis, presents a letter of underwater acoustic channel model)

一篇介绍OFDM信号在光纤信道中的传输的文章。理论分析非常详实。使用matlab和VPI联合仿真。matlab代码附在文章后面。(Article article OFDM signal in fiber channel transmission. The theoretical analysis is very informative. Using matlab and VPI joint simulation. The matlab code attached to the end of the article.)