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% 小波去噪matlab程序 % % ****************************************** clear clc %在噪声环境下语音信号的增强 %语音信号为读入的声音文件 %噪声为正态随机噪声 sound=wavread('c12345.wav'); count1=length(sound); noise=0.05*randn(1,count1)

< M A T L A B > Copyright 1984-2002 The MathWorks, Inc. Version 6.5.0.180913a Release 13 Jun

< M A T L A B > Copyright 1984-2002 The MathWorks, Inc. Version 6.5.0.180913a Release 13 Jun

% function energy = pBar_results(p, ElemData, ElemType, Prop, Nodes, GaussRule, solution_vector) % compute and print results for pBar element % determine elemental displacement values from soluti

%*********************************************************************** % function truss2d_results % % calculates and prints 2D truss element results %********************************************

clear clc %在噪声环境下语音信号的增强 %语音信号为读入的声音文件 %噪声为正态随机噪声 sound=wavread('c12345.wav'); count1=length(sound); noise=0.05*randn(1,count1); for i=1:count1 signal(i)=sound(i); end

% example3 Example script for demonstrating the use of QUBIT4MATLAB. % Copyright (C) 2005 Geza Toth E.mail: toth@alumni.nd.edu % % This program is free software; you can redistribute it and/or

function gain = scale(md,symb_energy,varargin) %SCALE Constellation expansion factor. % G = RESCALE(MD,Es) simply computes an expansion constellation factor % sets the modulated signal power. Sym

clear clc %在噪声环境下语音信号的增强 %语音信号为读入的声音文件 %噪声为正态随机噪声 sound=wavread('c12345.wav'); count1=length(sound); noise=0.05*randn(1,count1); for i=1:count1 signal(i)=sound(i); end for i=1:count1 y(i)=

****************************************** clear clc %在噪声环境下语音信号的增强 %语音信号为读入的声音文件 %噪声为正态随机噪声 sound=wavread('c12345.wav'); count1=length(sound); noise=0.05*randn(1,count1); for i=1:count1 sig