Radar_Sig_Process.rar_GUI界面_radar SNR_radar界面_简单雷达系统仿真

function varargout = radar(varargin) % RADAR MATLAB code for radar.fig % RADAR, by itself, creates a new RADAR or raises the existing % singleton*. % % H = RADAR returns the handle to a new RADAR or the handle to % the existing singleton*. % % RADAR('CALLBACK',hObject,eventData,handles,...) calls the local % function named CALLBACK in RADAR.M with the given input arguments. % % RADAR('Property','Value',...) creates a new RADAR or raises the % existing singleton*. Starting from the left, property value pairs are % applied to the GUI before radar_OpeningFcn gets called. An % unrecognized property name or invalid value makes property application % stop. All inputs are passed to radar_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 radar % Last Modified by GUIDE v2.5 12-Jun-2018 22:22:48 % Begin initialization code - DO NOT EDIT gui_Singleton = 1; gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @radar_OpeningFcn, ... 'gui_OutputFcn', @radar_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 radar is made visible. function radar_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 radar (see VARARGIN) % Choose default command line output for radar handles.output = hObject; % Update handles structure guidata(hObject, handles); % UIWAIT makes radar wait for user response (see UIRESUME) % uiwait(handles.figure1); % --- Outputs from this function are returned to the command line. function varargout = radar_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 be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) T=get(handles.T0,'String');T=str2num(T); t=get(handles.tao,'String');t=str2num(t); f0=20e+6;fs=5*f0;A=1;T=T*100;t=t*100; m=(-T/2+1):(T/2); f=rectpuls(m+T/2-t/2,t); s1=A*cos(2*pi*f0*m/fs); s2=f.*s1; z=zeros(1,10000); for m=0:4 for n=1:2000 z(n+m*2000)=s2(n); end end tz=1:10000; axes(handles.axes1); plot(tz/fs,z);grid on; xlabel('t/s');ylabel('U/v');title('发射信号'); % --- Executes on button press in pushbutton2. function pushbutton2_Callback(hObject, eventdata, handles) % hObject handle to pushbutton2 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) T=get(handles.T0,'String');T=str2num(T); t=get(handles.tao,'String');t=str2num(t); R=get(handles.R0,'String');R=str2num(R);R=2000*R/3; f0=20e+6;fs=5*f0;A=1;T=T*100;t=t*100; m=(-T/2+1):(T/2); f=rectpuls(m+T/2-R,t); s1=0.5*A*cos(2*pi*f0*m/fs); s2=f.*s1; z=zeros(1,10000); for m=0:4 for n=1:2000 z(n+m*2000)=s2(n); end end tz=1:10000; axes(handles.axes1); plot(tz/fs,z);grid on; xlabel('t/s');ylabel('U/v');title('回波信号'); % --- Executes on button press in pushbutton3. function pushbutton3_Callback(hObject, eventdata, handles) % hObject handle to pushbutton3 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) T=get(handles.T0,'String');T=str2num(T); t=get(handles.tao,'String');t=str2num(t); R=get(handles.R0,'String');R=str2num(R);R=2000*R/3; A=1;f0=20e+3;fs=5*f0;T=2000;t=100; m=(-T/2+1):(T/2); f=rectpuls(m+T/2-R,t); s1=0.5*A*cos(2*pi*f0*m/fs); s2=f.*s1; z1=zeros(1,10000); for m=0:4 for n=1:2000 z1(n+m*2000)=s2(n); end end x=wgn(1,10000,-20); y=x+z1; m=1:10000; f1=25e+3; s3=10*cos(2*pi*f1*m/fs); s4=s3.*y; tz=1:10000; axes(handles.axes1) plot(tz,abs(fft(s4,10000)));grid on; xlabel('k');ylabel('混频信号幅值');title('混频信号频谱'); % --- Executes on button press in pushbutton4. function pushbutton4_Callback(hObject, eventdata, handles) % hObject handle to pushbutton4 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) T=get(handles.T0,'String');T=str2num(T); t=get(handles.tao,'String');t=str2num(t); R=get(handles.R0,'String');R=str2num(R);R=2000*R/3; f0=20e+6;fs=5*f0;A=1;T=T*100;t=t*100; m=(-T/2+1):(T/2); f=rectpuls(m+T/2-R,t); s1=0.5*A*cos(2*pi*f0*m/fs); s2=f.*s1; z=zeros(1,10000); for m=0:4 for n=1:2000 z(n+m*2000)=s2(n); end end x=wgn(1,10000,-20); y=x+z; m=1:10000; f1=25e+3; s3=10*cos(2*pi*f1*m/fs); s4=s3.*y; S=fft(s4,10472); Wp=[0.016,0.024];Ws=[0.014,0.026];Rp=1;Rs=35; [N,Wpo]=cheb1ord(Wp,Ws,Rp,Rs); [B,A]=cheby1(N,Rp,Wpo); w=0:0.0003:pi; [H,w1]=freqz(B,A,w); Y=S.*H; tz=1:10472; axes(handles.axes1); plot(tz,abs(Y)); xlabel('k');ylabel('滤波信号幅值');title('滤波结果'); function R1_Callback(hObject, eventdata, handles) % hObject handle to R1 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hints: get(hObject,'String') returns contents of R1 as text % str2double(get(hObject,'String')) returns contents of R1 as a double % --- Executes during object creation, after setting all properties. function R1_CreateFcn(hObject, eventdata, handles) % hObject handle to R1 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles empty - handles not created until after all CreateFcns called % Hint: edit controls usually have a white background on Windows. % See ISPC and COMPUTER. if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end function T0_Callback(hObject, eventdata, handles) % hObject handle to T0 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hints: get(hObject,'String') returns contents of T0 as text % str2double(get(hObject,'String')) returns contents of T0 as a double % --- Executes during object creation, after setting all properties. function T0_CreateFcn(hObject, eventdata, handles) % hObject handle to T0 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles empty - handles not created until after all CreateFcns called % Hint: edit controls usually have a white background on Windows. % See ISPC and COMPUTER. if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end function tao_Callback