qidongli

matlab code for high pass filter

说明：  BP算法的matlab实现，能较好的得到结果，误差范围较小(BP algorithm matlab implementation, can get better results, less error range)

function exp85 clear all p=[0:0.1:1.1] t=[22.4570 26.6012 12.6416 5.9367 6.9265 28.2432 31.5068 37.0166 7.8947 1.0398 12.7095] net=newff([0 1],[5 1],{ tansig purelin }, traingdx , learngdm ) net.trainParam.epochs=2500 net.trainParam.goal=0.001 net.trainParam.show=50 net=train(net,p,t) r=sim(net,p) plot(p,t,p,r, * ) y=sim(net,[1.2])

数字信号处理，对图像进行DCT，可选择压缩率，matlab实现DCT(DCT by matlab)

一个关于FSK的matlab编写的小程序，欢迎大家指正讨论(FSK s matlab on the preparation of small procedures, welcome to correct me to discuss)

pe to snr for bpsk when we use rectangular modulation on bw=0.025,0.05,0.1

matlab编写的小游戏，很像“闪电”，版本要求高于R(matlab prepare small games, like )

说明：  无线通信基础，MIMO必读，MIT研究生教材，英文原版 (Wireless communications infrastructure, MIMO must-read, MIT graduate student teaching, the English original)

Displacement recovery for MLS method and compute stress from "An Introduction to Meshfree Methods and Their Programming [G.R. Liu, Y.T. Gu] " the orginal code is in fortran but this code is in matlab

k最近邻分类器。编写的一个matlab函数。输入向量Z表示所属的类，返回一个向量，表示由k最近邻分类给定的。(k nearest neighbor classifier. Write a matlab function. Input vector Z that belongs to the class, returns a vector, expressed by the k nearest neighbor classification given.)