capacity_with_sir

设计一个低通滤波系统，任意输入三个频率使输入的信号中留下频率最低的 一个分量。(Designed a low-pass filter system, indiscriminate importation of the three input signal frequency so that left one of the lowest frequency component.)

bpsk code simultaion made on matlab regarding bpsk

用matlab实现变分模态分解算法，有效分解信号(variational model decomposition)

Matlab based guesture tracking

main executing reference usage: executeMain.m -------------------------------------------------------------------------------- The geometrical interpretation of the 1-D DFT may have been seldom seen or introduced. The utility demonstrates the visualization of the phenomenon. * Caveat: - Help section yet to be included. - For educational reference only. You may also wish to visit Professor Grigoryan s weblink at: http://bit.ly/ProfessorArtyomGrigoryan

数学计算，随机数的生成，内含26个程序生成不同要求随机数(Math, random number generation, containing random number 26 programs generate different requirements)

是本科毕设的题目，多机电力系统仿真及其潮流计算，esprit算法对有干扰的信号频率进行估计。( The title of the commercial is undergraduate course you Multi-machine power system simulation and flow calculation, esprit algorithm signal frequency interference can be assesse.)

clear all clc t=0:1/1000:10-1/1000 s=sin(2*pi*t) snr=20 s_power=var(s) varience of s linear_snr=10^(snr/10) factor=sqrt(s_power/linear_snr) noise=randn(1,length(s))*factor x=s+noise Ó É SNR¼ Æ Ë ã Ë æ » úÔ ë É ù x1=noise Ô ë É ùÔ ´ Ê ä È ë x2=noise w1=0 È ¨Ï µ Ê ý ³ õ Ö µ w2=0 e=zeros(1,length(x)) y=0 u=0.05 for i=1:10000 LMSË ã ·¨ y(i)=w1*x1(i)+w2*x2(i) e(i)=x(i)-y(i) w1=w1+u*e(i)*x1(i) w2=w2+u*e(i)*x2(i) end figure(1) subplot(4,1,1)

已知语音文件求出其LPC系数后，调用a_lsf_conversion.m函数求其对应的LSF(Known find their voice files LPC coefficients, call a_lsf_conversion.m corresponding LSF function evaluation)

说明：  对文档图像进行分割，有效去除文档的边界黑色信息，(right Document Image segmentation, effective removal of a black border documentation information,)