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資源簡介

這里主要是對聲音信號(hào)進(jìn)行分析。因?yàn)镸atlab在數(shù)字信號(hào)處理上的便捷,又有功能強(qiáng)大的工具箱輔助設(shè)計(jì),所以我們可以利用Matlab完成聲音信號(hào)頻譜分析和時(shí)序分析的設(shè)計(jì)。本次設(shè)計(jì)內(nèi)容包括: 1) 信號(hào)的獲取 2) 時(shí)域分析:包括頻率,振幅,相位,周期,均值,峰值等 3) 頻域分析:主要分析波形的幅值、相位與頻率的關(guān)系

資源截圖

代碼片段和文件信息

function?varargout?=?temp(varargin)
%?TEMP?M-file?for?temp.fig
%??????TEMP?by?itself?creates?a?new?TEMP?or?raises?the?existing
%??????singleton*.
%
%??????H?=?TEMP?returns?the?handle?to?a?new?TEMP?or?the?handle?to
%??????the?existing?singleton*.
%
%??????TEMP(‘CALLBACK‘hobjecteventDatahandles...)?calls?the?local
%??????function?named?CALLBACK?in?TEMP.M?with?the?given?input?arguments.
%
%??????TEMP(‘Property‘‘Value‘...)?creates?a?new?TEMP?or?raises?the
%??????existing?singleton*.??Starting?from?the?left?property?value?pairs?are
%??????applied?to?the?GUI?before?temp_OpeningFunction?gets?called.??An
%??????unrecognized?property?name?or?invalid?value?makes?property?application
%??????stop.??All?inputs?are?passed?to?temp_OpeningFcn?via?varargin.
%
%??????*See?GUI?Options?on?GUIDE‘s?Tools?menu.??Choose?“GUI?allows?only?one
%??????instance?to?run?(singleton)“.
%
%?See?also:?GUIDE?GUIDATA?GUIHANDLES

%?Copyright?2002-2003?The?MathWorks?Inc.

%?Edit?the?above?text?to?modify?the?response?to?help?temp

%?Last?Modified?by?GUIDE?v2.5?21-Oct-2010?13:04:37

%?Begin?initialization?code?-?DO?NOT?EDIT
gui_Singleton?=?1;
gui_State?=?struct(‘gui_Name‘???????mfilename?...
???????????????????‘gui_Singleton‘??gui_Singleton?...
???????????????????‘gui_OpeningFcn‘?@temp_OpeningFcn?...
???????????????????‘gui_OutputFcn‘??@temp_OutputFcn?...
???????????????????‘gui_LayoutFcn‘??[]??...
???????????????????‘gui_Callback‘???[]);
if?nargin?&&?ischar(varargin{1})
????gui_State.gui_Callback?=?str2func(varargin{1});
end

if?nargout
????[varargout{1:nargout}]?=?gui_mainfcn(gui_State?varargin{:});
else
????gui_mainfcn(gui_State?varargin{:});
end
%?End?initialization?code?-?DO?NOT?EDIT


%?---?Executes?just?before?temp?is?made?visible.
function?temp_OpeningFcn(hobject?eventdata?handles?varargin)
%?This?function?has?no?output?args?see?OutputFcn.
%?hobject????handle?to?figure
%?eventdata??reserved?-?to?be?defined?in?a?future?version?of?MATLAB
%?handles????structure?with?handles?and?user?data?(see?GUIDATA)
%?varargin???command?line?arguments?to?temp?(see?VARARGIN)

%?Choose?default?command?line?output?for?temp
handles.output?=?hobject;

%?Update?handles?structure
guidata(hobject?handles);

%?UIWAIT?makes?temp?wait?for?user?response?(see?UIRESUME)
%?uiwait(handles.figure1);
str=‘signals‘;
set(gcf‘name‘str‘numbertitle‘‘off‘);????????%§

%?---?Outputs?from?this?function?are?returned?to?the?command?line.
function?varargout?=?temp_OutputFcn(hobject?eventdata?handles)?
%?varargout??cell?array?for?returning?output?args?(see?VARARGOUT);
%?hobject????handle?to?figure
%?eventdata??reserved?-?to?be?defined?in?a?future?version?of?MATLAB
%?handles????structure?with?handles?and?user?data?(see?GUIDATA)

%?Get?default?command?line?output?from?handles?structure
varargout{1}?=?handles.output;

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-05-23?09:57??作業(yè)_張少林2\
?????文件??????359900??2010-10-18?18:47??作業(yè)_張少林2\b.wav
?????文件????????8300??2010-10-21?13:21??作業(yè)_張少林2\temp.fig
?????文件???????20447??2010-10-21?13:31??作業(yè)_張少林2\temp.m
?????文件????????5120??2010-10-21?13:38??作業(yè)_張少林2\Thumbs.db
?????文件??????????45??2011-05-23?09:57??作業(yè)_張少林2\說明.txt

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