extr

说明：  matlab图形用户界面设计教程，像vc一样进行交互(tutorial matlab graphical user interface design, just as interactive as vc)

Radar Systems Analysis and Design Using MatLab. 雷达入门基础教程，包含原代码。(Radar Systems Analysis and Design Using MatLab. Radar Started Essentials contains the original code.)

将分布式检测器的概念和雷达联网的性能结 合在一起,从而可以得出在不同雷达布站和不同目标起伏条件下信号检测性能。此性能可以对 雷达布站方法和比较单、多站雷达性能研究都带来益处。 (In the paper, assume that the detection performance (such as detection probability and false alarm probability) in multistatic radars is given on condition:target movements, fluctuating tar- gets and different positions of the radars. )

introduction to jpeg

此为模式识别中的Fisher线性判别方法求分类器。进行了男、女错误率和总错误率的统计。 全部程序流程如下： 1、读取FAMALE.TXT文件把身高或体重给数组，并求x1的样本均值m1和内离散度S1； 2、读取MALE.TXT文件把身高或体重给数组，并求x2的样本均值m2和内离散度S2； 3、求最佳变换向量和阀值点； 4、读取Test2.txt文件把对应的身高或体重给数组A并求A的样本数M； 5、把最佳变换向量和阀值点、x代入判别方程g（x）； 6、对本判别的错误率进行统计。(This is the pattern recognition method, to calculate the Fisher linear discriminant classifier .Were male , female and total error rate error rate statistics . All program flow is as follows : 1 , read FAMALE.TXT file to height or weight to the array, and find the sample mean m1 x1 and internal dispersion S1 2 , read MALE.TXT file to height or weight to the array, and find the sample mean m2 and x2 within the dispersion S2 3 , for the best transformation vector and the threshold point 4 , read Test2.txt file to the corresponding height or weight requirements for the array A and A is the number of samples M 5 , the best transformation vector and the threshold point , x substituted into the discriminant equation g (x) 6 , determine the error rate of the statistics . )

随机产生信息码求误码率 信息码长度（帧长64bit） 息码速率为10KHz（100us） 发送带宽20KHz（信息码速率的2倍） 发送信号功率2W 载波频率70MHz 采样频率280MHz（发送数据产生采样率） 20KHz方波 0KHz方波 0KHz方波高低电平采样点数 信息码采样点数 ASK调制的调制度ma=1-2/(2+alpha) 根据2ASK调制度确定alpha值(Random generation of information code for error rate 信息码长度（帧长64bit） Message length (64bit) 息码速率为10KHz（100us） The rate of interest rate is 10KHz (100US) 发送带宽20KHz（信息码速率的2倍） Transmission bandwidth 20KHz (2 times the rate of the information code) 发送信号功率2W Transmit signal power 2W 载波频率70MHz Carrier frequency 70MHz 采样频率280MHz（发送数据产生采样率） Sampling frequency 280MHz (transmit data generated sampling rate) 20KHz方波 20KHz Fang Bo 0KHz方波 0KHz Fang Bo 0KHz方波高低电平采样点数 0KHz square wave height sampling points 信息码采样点数 Information code sampling point ASK调制的调制度ma=1-2/(2+alpha) ASK modulation of the modulation system ma=1-2/ (2+alpha) 根据2ASK调制度确定alpha值 Determine the alpha value according to the 2ASK modulation system )

认知无线电 CFN检测算法 有仿真 有数据分析 可以作为学习的模块(CFN cognitive radio simulation testing algorithm can be used as a data analysis module of learning)

cutoff cylindricalwaveguide

2ASK信号的正交解调，包括2ASK信号的产生，与本地载波混频，低通滤波，求包络，恢复出原始信号等(the demodulation of 2ASK)

完整的二维非线性共轭梯度反演源代码，作者是Mackie 和Rodi。(Complete two-dimensional nonlinear conjugate gradient inversion source code, the author is Mackie and Rodi.)