Mirror

二维pca算法 由南理工的杨健老师提出的(Two-dimensional pca algorithm of Yang Jian, a teacher from the proposed Huanan)

MIMO為多根天線輸入多根輸出，可高效率傳輸data以及接收，缺點則是需付出額外天線成本(MIMO antenna for multi-input multi-output, high efficiency can be transmitted and received data, the disadvantage is that the antenna required to pay additional costs)

可以利用此书来编辑抗震问题的解决过程中利用matlab来实现(this is helpful to solve some problem which comes to anti-sesimic)

求解图中起点到任意一个点的最小距离 输出len 和 meth分别记录长度 和 父亲点(Solving the graph point of origin to any point of a minimum distance of the output record length len, and meth and father respectively, point)

The archive contains the code is implemented in Matlab one of the most well-known cryptographic symmetric algorithms - Algorithm DES (data encryption standard).

做过模糊PID的朋友很多遇到过这种问题，就是仿真启动不起来，停留在e-7等地方或者仿真很慢，自次上次有个朋友说改变步长能解决这个问题，最后的曲线能达到满足要求的时候，我让他找个例子他就没有后文，以前我做了很多这样的模糊PID，但靠改变步长并没有解决问题，仿真曲线直接发散出去了，我自己这两天也总在思考这个问题，通过不断的调试总结，明白了不少，给遇到这个问题的朋友讲解一下解决办法吧，以一个例子详解：(Done a lot of friends of the fuzzy PID encountered this problem, simulation start up, stay in the e-7 and other local or simulation is very slow, have a friend who said to change the step size to solve this problem since the times the last, the finalcurve to achieve to meet the requirements when I asked him to find examples of his later, I have done a lot of fuzzy PID, but by changing the step does not solve the problem, the simulation curve directly divergence out, Itwo days always thinking about this problem, summarized by the debug and understand a lot of friends to experience this problem to explain the solution, an example Detailed:)

卡尔曼滤波的matlab程序，带注释，可运行，适合初步接触卡尔曼滤波的学习(matlab code of kalman filter)

衰落信道参数包括多径扩展和多普勒扩展。时不变的多径扩展相当于一个延时抽头滤波器，而多普勒扩展要注意多普勒功率谱密度，通常使用Jakes功率谱、高斯、均匀功率谱。( The fading channel parameters include multipath spreading and Doppler spreading. The time-invariant multipath extension is equivalent to a delay-tap filter, while the Doppler spread should pay attention to Doppler power spectral density, usually using Jakes power spectrum, Gaussian, and uniform power spectrum.)

基于matlab实现SIFT算法,好用！！(Based on matlab realize SIFT, easy to use! !)

现代编码调制作业，不同信噪比下的信道容量计算(Modern coding and modulation operations, different SNR channel capacity calculation)