【信號(hào)去噪】基于小波變換、中值濾波多種算法實(shí)現(xiàn)心電信號(hào)預(yù)處理含Matlab源碼
【信號(hào)去噪】基于小波變換、中值濾波多種算法實(shí)現(xiàn)心電信號(hào)預(yù)處理含Matlab源碼
TT_Matlab
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1 簡(jiǎn)介
【信號(hào)去噪】基于小波變換、中值濾波多種算法實(shí)現(xiàn)心電信號(hào)預(yù)處理含Matlab源碼
2 部分代碼
function varargout = XBLBCS(varargin)
%
XBLBCS MATLAB code
for
XBLBCS.fig
%
XBLBCS, by itself, creates a new XBLBCS or raises the existing
%
singleton*.
%
%
H = XBLBCS returns the handle to a new XBLBCS or the handle to
%
the existing singleton*.
%
%
XBLBCS(
’CALLBACK’
,hObject,eventData,handles,...) calls the
local
%
function
named CALLBACK
in
XBLBCS.M with the given input arguments.
%
%
XBLBCS(
’Property’
,
’Value’
,...) creates a new XBLBCS or raises the
%
existing singleton*. Starting from the left, property value pairs are
%
applied to the GUI before XBLBCS_OpeningFcn gets called. An
%
unrecognized property name or invalid value makes property application
%
stop. All inputs are passed to XBLBCS_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 XBLBCS
%
Last Modified by GUIDE v2.5 11-Jan-2016 19:29:07
%
Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct(’gui_Name’, mfilename, ...
’gui_Singleton’, gui_Singleton, ...
’gui_OpeningFcn’, @XBLBCS_OpeningFcn, ...
’gui_OutputFcn’, @XBLBCS_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 XBLBCS is made visible.
function XBLBCS_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 XBLBCS (see VARARGIN)
%
Choose default command line output for XBLBCS
handles.output = hObject;
%
Update handles structure
guidata(hObject, handles);
ha=axes(’units’,’normalized’,’position’,[0 0 1 1]);
uistack(ha,’down’)
II=imread(’aa6.jpg’);%里面的參數(shù)可以是你自己的圖片,把名字連同格式寫進(jìn)去就可以了
image(II)
colormap gray
set(ha,’handlevisibility’,’off’,’visible’,’off’);
%
UIWAIT makes XBLBCS wait for user response (see UIRESUME)
%
uiwait(handles.figure1);
%
--- Outputs from this function are returned to the command line.
function varargout = XBLBCS_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 goon_3.
function goon_3_Callback(hObject, eventdata, handles)
%
hObject handle to goon_3 (see GCBO)
%
eventdata reserved - to be defined in a future version of MATLAB
%
handles structure with handles and user data (see GUIDATA)
global f0;
global Y1;
global xd;
Ts=0.001;
fs=1/Ts;
NLen=512;
n=0:NLen-1;
%
陷波器的設(shè)計(jì)
apha=-2*cos(2*pi*f0*Ts);
beta=0.96;
b=[1 apha 1];
a=[1 apha*beta beta^2];
Y1=dlsim(b,a,xd);%陷波器濾波處理
close(gcf);
JGXS;
%
--- Executes on button press in exit_6.
function exit_6_Callback(hObject, eventdata, handles)
%
hObject handle to exit_6 (see GCBO)
%
eventdata reserved - to be defined in a future version of MATLAB
%
handles structure with handles and user data (see GUIDATA)
close(gcf);
XZLB;
%
--- Executes when selected object is changed in uipanel2.
function uipanel2_SelectionChangeFcn(hObject, eventdata, handles)
%
hObject handle to the selected object in uipanel2
%
eventdata structure with the following fields (see UIBUTTONGROUP)
%
EventName: string ’
SelectionChanged
’ (read only)
%
OldValue: handle of the previously selected object or empty if none was selected
%
NewValue: handle of the currently selected object
%
handles structure with handles and user data (see GUIDATA)
global f0;
tString=get(hObject,’tag’);
switch tString
case ’X_60’
f0=60;
case ’X_50’
f0=50; %進(jìn)行相應(yīng)的操作
case ’X_Q’
myvalue=inputdlg(’請(qǐng)輸入所需陷波頻率’,’輸入框’);
f0=str2double(myvalue);
end
3 仿真結(jié)果
4 參考文獻(xiàn)
[1]馬小磊. 基于小波變換的心電信號(hào)預(yù)處理算法研究及Android實(shí)現(xiàn)[D]. 東北大學(xué), 2014.
博主簡(jiǎn)介:擅長(zhǎng)智能優(yōu)化算法、神經(jīng)網(wǎng)絡(luò)預(yù)測(cè)、信號(hào)處理、元胞自動(dòng)機(jī)、圖像處理、路徑規(guī)劃、無(wú)人機(jī)等多種領(lǐng)域的Matlab仿真,相關(guān)matlab代碼問(wèn)題可私信交流。
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