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%纯净信号和带噪信号波形比较 close all; clc; count=length(A); noise=0.1*randn(1,count); signal=A; for i=1:count voice(i)=signal(i)+noise(i); end Fv=fft(voice); anglev=angle(Fv); Fn=fft(noise); powe

close all; clc; if fname~=0 [A,FS]=wavread(fname); count=length(A); noise=0.1*randn(1,count); signal=A; for i=1:count voice(i)=signal(i)+noise(i); end Fv=fft(voice); anglev=angle(Fv);

n=0:10; x=power(0.5,n); stem(n,x,'filled');%用来画离散的信号 axis([-3,7,-0.1,1.1]); xlabel('n'); ylabel('x[n]');

function y=ovsf_code(SF) %*********************************************************************** %function y=ovsf_code(SF) % % Copyright 2002 The Mobile and Portable Radio Research Group % %Com

function [Pfit_inv]=lsm_fun(x,y,n) % solve LSM problem by calculate P0=inv(A)*b % the function returns coefficients in decrease % version: lsm v0.2 [temp,N]=size(x); % N: elements number highor

Fitter report for fpga_led Thu Feb 21 15:30:48 2008 Quartus II Version 7.2 Build 175 11/20/2007 Service Pack 1 SJ Full Version --------------------- ; Table of Contents ; --------------------

SQL SERVER命令大全 2006-11-8 9:02:03 ahots SQLServer和Oracle的常用函数对比 　　1.绝对值 　　S:select abs(-1) value 　　O:select abs(-1) value from dual 　　2.取整(大) 　　S:select ceiling(-1.001) value 　　O:select

%将2进制数转换为10进制数 function x=n2to10(s); bn=size(s,2); x=s(bn); for i=1:bn-1 x=x+s(bn-i)*power(2,i); end

-- Copyright (C) 1991-2007 Altera Corporation -- Your use of Altera Corporation's design tools, logic functions -- and other software and tools, and its AMPP partner logic -- functions, and a

Fitter report for Ctl_LCD Mon Aug 04 13:54:42 2008 Quartus II Version 7.2 Build 151 09/26/2007 SJ Full Version --------------------- ; Table of Contents ; --------------------- 1. Legal No