資源簡(jiǎn)介
我們的一次課程設(shè)計(jì),用matlab實(shí)現(xiàn)。在Matlab中,可以利用函數(shù)fft對(duì)信號(hào)進(jìn)行快速傅立葉變換,得到信號(hào)的頻譜特性,要求學(xué)生首先畫出語音信號(hào)的時(shí)域波形,然后對(duì)語音信號(hào)進(jìn)行頻譜分析

代碼片段和文件信息
function?varargout?=?gangbadai(varargin)
%?GANGBADAI?M-file?for?gangbadai.fig
%??????GANGBADAI?by?itself?creates?a?new?GANGBADAI?or?raises?the?existing
%??????singleton*.
%
%??????H?=?GANGBADAI?returns?the?handle?to?a?new?GANGBADAI?or?the?handle?to
%??????the?existing?singleton*.
%
%??????GANGBADAI(‘CALLBACK‘hobjecteventDatahandles...)?calls?the?local
%??????function?named?CALLBACK?in?GANGBADAI.M?with?the?given?input?arguments.
%
%??????GANGBADAI(‘Property‘‘Value‘...)?creates?a?new?GANGBADAI?or?raises?the
%??????existing?singleton*.??Starting?from?the?left?property?value?pairs?are
%??????applied?to?the?GUI?before?gangbadai_OpeningFcn?gets?called.??An
%??????unrecognized?property?name?or?invalid?value?makes?property?application
%??????stop.??All?inputs?are?passed?to?gangbadai_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
%?Edit?the?above?text?to?modify?the?response?to?help?gangbadai
%?Last?Modified?by?GUIDE?v2.5?17-Nov-2012?12:26:04
%?Begin?initialization?code?-?DO?NOT?EDIT
gui_Singleton?=?1;
gui_State?=?struct(‘gui_Name‘???????mfilename?...
???????????????????‘gui_Singleton‘??gui_Singleton?...
???????????????????‘gui_OpeningFcn‘?@gangbadai_OpeningFcn?...
???????????????????‘gui_OutputFcn‘??@gangbadai_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?gangbadai?is?made?visible.
function?gangbadai_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?gangbadai?(see?VARARGIN)
%?Choose?default?command?line?output?for?gangbadai
handles.output?=?hobject;
%?Update?handles?structure
guidata(hobject?handles);
%?UIWAIT?makes?gangbadai?wait?for?user?response?(see?UIRESUME)
%?uiwait(handles.figure1);
%?---?Outputs?from?this?function?are?returned?to?the?command?line.
function?varargout?=?gangbadai_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;
%?---?Executes?on?button?press?in?pushbutton1.
function?pushbutton1_Callback(hobject?eventdata?handles)
%?hobject????handle?to?pushbutton1?(see?GCBO)
%?eventdata??reserved?-?to?b
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件???????19387??2012-11-19?11:07??gangbadai.m
?????文件??????278528??2012-11-15?14:34??數(shù)字信號(hào)處理課程設(shè)計(jì)報(bào)告2012.doc
?????文件???????12657??2012-11-17?12:27??gangbadai.fig
評(píng)論
共有 條評(píng)論