radar.vee

此为使用VEE Pro开发的雷达信号分析软件

(saveFormat "7.0")
(date "Sun 25/Sep/2005 23:00:23 ")
(veerev "7.51.7801.0")
(platform "PC")
(execMode v6)
(filterNAN 0)
(workspaceStackingOrder M)
(sysconfig
(iodevice "newInstrument"
(type GPIB)
(gateway "This host")
(channel 7)
(subchannel 7)
(readTerm "\n")
(fs ",")
(eol "\n")
(multiField dataOnly)
(arrayFormat linear)
(timeout 5)
(byteOrder 0)
(idn "ag54832d")
(ppAddr "GPIB0::7::INSTR")
(ivicomFile "AgilentInfiniium")
(ivicomAddr "GPIB0::7::INSTR")
(eoiEnabled 1)
(model "ag54832d"
(standard 488))))
(SaveCF no)
(device 0 ROOTCONTEXT
(properties
(trigMode deg)
(nextID 16)
(popupTitleText "Untitled")
(popupMoveable 1))
(deviceList
(device 0 START25)
(device 1 MATLABSCRIPT
(properties
(name "Chirp Generator")
(matlabexpr 11 "t=10e-6;" "fs=40e+6;" "ts=1/fs;" "fc=9e+6;" "f0=10e+6;"
"B=2e+6;" "ft=0:1/fs:t-1/fs;" "N=length(ft);" "k=B/fs*2*pi/max(ft);"
"y=modulate(ft,fc,fs,\'fm\',k);" "y_fft_result=fft(y);"))
(interface
(output 1
(name "y")
(optional yes))
(output 2
(name "N")
(optional yes))
(output 3
(name "f0")
(optional yes))
(output 4
(name "fs")
(optional yes))
(output 5
(name "B")
(optional yes))
(output 6
(name "ts")
(optional yes))
(output 7
(name "t")
(optional yes))))
(device 3 MATLABSCRIPT
(properties
(name "Chirp IQ demodulation")
(matlabexpr 19 "%---------------------------------------------------" "n=0:N-1;"
"local_oscillator_i=cos(n*f0/fs*2*pi);" "local_oscillator_q=sin(n*f0/fs*2*pi);"
"" "fbb_i=local_oscillator_i.*y;" "fbb_q=local_oscillator_q.*y;" ""
"window=chebwin(51,40);" "[b,a]=fir1(50,2*B/fs,window);" ""
"fbb_i=[fbb_i,zeros(1,25)];" "fbb_q=[fbb_q,zeros(1,25)];" ""
"fbb_i=filter(b,a,fbb_i);" "fbb_q=filter(b,a,fbb_q);" "fbb_i=fbb_i(26:end);"
"fbb_q=fbb_q(26:end);" "fbb=fbb_i+j*fbb_q;"))
(interface
(input 1
(name "y")
(optional yes))
(input 2
(name "N")
(optional yes))
(input 3
(name "f0")
(optional yes))
(input 4
(name "fs")
(optional yes))
(input 5
(name "B")
(optional yes))
(output 1
(name "fbb")
(optional yes))))
(device 6 MATLABSCRIPT
(properties
(name "ideal Wave Generator")
(matlabexpr 20 "t1=100e-6;" "signal=[zeros(1,(t1-2*t)/ts),y,zeros(1,t/ts)];"
"n=0:t1/ts-1;" "local_oscillator_i=cos(n*f0/fs*2*pi);"
"local_oscillator_q=sin(n*f0/fs*2*pi);" "fbb_i=local_oscillator_i.*signal;"
"fbb_q=local_oscillator_q.*signal;" "" "window=chebwin(51,40);"
"[b,a]=fir1(50,2*B/fs,window);" "" "fbb_i=[fbb_i,zeros(1,25)];"
"fbb_q=[fbb_q,zeros(1,25)];" "" "fbb_i=filter(b,a,fbb_i);"
"fbb_q=filter(b,a,fbb_q);" "" "fbb_i=fbb_i(26:end);" "fbb_q=fbb_q(26:end);"
"signal=fbb_i+j*fbb_q;"))
(interface
(input 1
(name "y")
(optional yes))
(input 2
(name "ts")
(optional yes))
(input 3
(name "f0")
(optional yes))
(input 4
(name "fs")
(optional yes))
(input 5
(name "B")
(optional yes))
(input 6
(name "t")
(optional yes))
(output 1
(name "signal")
(optional yes))
(output 2
(name "t1")
(optional yes))))
(device 7 MATLABSCRIPT
(properties
(name "CompCoefficient Generator")
(matlabexpr 11 "M=4096;" "D=B*t;"
"match_filter=ts*fliplr(conj(fbb))*sqrt(D)*2/t;"
"match_filter_fft=fft(match_filter,M);" "figure;" "subplot(2,1,1);"
"plot(real(match_filter_fft));" "title(\'Pulse Comp Coefficient(real)\');"
"subplot(2,1,2);" "plot(imag(match_filter_fft));"
"title(\'Pulse Comp Coefficient(imag)\');"))
(interface
(input 1
(name "B")
(optional yes))
(input 2
(name "t")
(optional yes))
(input 3
(name "fbb")
(optional yes))
(output 1
(name "M")
(optional yes))
(output 2
(name "match_filter_fft")
(optional yes))))
(device 8 MATLABSCRIPT
(properties
(name "Pulse Comp Analysis")
(matlabexpr 14 "signal_fft=fft(signal,M);"
"pc_result_fft=signal_fft.*match_filter_fft;" "pc_result=ifft(pc_result_fft,M);"
"" "figure;" "subplot(2,1,1);" "plot((0:ts:t1-ts),signal);"
"xlabel(\'time(s)\');" "title(\'Demodulation\');" "" "subplot(2,1,2);"
"plot((0:ts:length(signal)*ts-ts),abs(pc_result(1:length(signal))));"
"xlabel(\'time(s)\');" "title(\'Comp Result\');"))
(interface
(input 1
(name "M")
(optional yes))
(input 2
(name "signal")
(optional yes))
(input 3
(name "match_filter_fft")
(optional yes))
(input 4
(name "ts")
(optional yes))
(input 5
(name "t1")
(optional yes))))
(device 9 CONFIRM25
(properties
(enterButton 0)
(escapeButton 0)
(isAssigned2FKey None))
(interface
(output 1
(name "Go")
(lock name constraints)))
(implementation))
(device 10 START25)
(device 11 MATLABSCRIPT
(properties
(matlabexpr 113 "%--------------------------------------------------" "t=10e-6;"
"fs=40e+6;" "ts=1/fs;" "fc=9e+6;" "f0=10e+6;" "B=10e+6;" "ft=0:1/fs:t-1/fs;"
"N=length(ft);" "k=B/fs*2*pi/max(ft);" "y0=modulate(ft,fc,fs,\'fm\',k);"
"y_fft_result=fft(y0);" "" "t2=0:1/fs:t-1/fs;" "n2=length(t2);"
"rand(\'state\',0);" "u=rand(1,n2);" "x=sqrt(2*log2(1./u))*2;" "" "y=y0.*x;" ""
"figure;" "specgram(y0,256,fs,kaiser(64,1),63);" "" "figure;" "subplot(2,1,1);"
"plot(y);" "subplot(2,1,2);"
"plot((0:fs/N:fs/2-fs/N),abs(y_fft_result(1:N/2)));" ""
"%---------------------------------------------------" "n=0:N-1;"
"local_oscillator_i=cos(n*f0/fs*2*pi);" "local_oscillator_q=sin(n*f0/fs*2*pi);"
"" "fbb_i=local_oscillator_i.*y;" "fbb_q=local_oscillator_q.*y;" ""
"window=chebwin(51,40);" "[b,a]=fir1(50,2*B/fs,window);" ""
"fbb_i=[fbb_i,zeros(1,25)];" "fbb_q=[fbb_q,zeros(1,25)];" ""
"fbb_i=filter(b,a,fbb_i);" "fbb_q=filter(b,a,fbb_q);" "fbb_i=fbb_i(26:end);"
"fbb_q=fbb_q(26:end);" "fbb=fbb_i+j*fbb_q;" "" "figure;" "subplot(2,1,1);"
"plot(fbb_i);" "" "subplot(2,1,2);" "plot(fbb_q);"
"%--------------------------------------------------" "M=4096;" "D=B*t;"
"match_filter=ts*fliplr(conj(fbb))*sqrt(D)*2/t;"
"match_filter_fft=fft(match_filter,M);" "figure;" "subplot(2,1,1);"
"plot(real(match_filter_fft));" "title(\'Pulse Comp Coefficient(real)\');"
"subplot(2,1,2);" "plot(imag(match_filter_fft));"
"title(\'Pulse Comp Coefficient(imag)\');" ""
"%-----------------------------------------------------" "t1=100e-6;"
"signal=[zeros(1,(t1-2*t)/ts),y0,zeros(1,t/ts)];" "n=0:t1/ts-1;"
"local_oscillator_i=cos(n*f0/fs*2*pi);" "local_oscillator_q=sin(n*f0/fs*2*pi);"
"fbb_i=local_oscillator_i.*signal;" "fbb_q=local_oscillator_q.*signal;" ""
"window=chebwin(51,40);" "[b,a]=fir1(50,2*B/fs,window);" ""
"fbb_i=[fbb_i,zeros(1,25)];" "fbb_q=[fbb_q,zeros(1,25)];" ""
"fbb_i=filter(b,a,fbb_i);" "fbb_q=filter(b,a,fbb_q);" "" "fbb_i=fbb_i(26:end);"
"fbb_q=fbb_q(26:end);" "signal=fbb_i+j*fbb_q;" "" "figure;" "subplot(2,1,1);"
"plot(fbb_i);" "" "subplot(2,1,2);" "plot(fbb_q);" ""
"%------------------------------------------------------"
"signal_fft=fft(signal,M);" "pc_result_fft=signal_fft.*match_filter_fft;"
"pc_result=ifft(pc_result_fft,M);" "" "figure;" "subplot(2,1,1);"
"plot((0:ts:t1-ts),signal);" "xlabel(\'time(s)\');" "title(\'Demodulation\');"
"" "subplot(2,1,2);"
"plot((0:ts:length(signal)*ts-ts),abs(pc_result(1:length(signal))));"
"xlabel(\'time(s)\');" "title(\'Comp Result\');")))
(device 13 START25)
(device 14 MATLABSCRIPT
(properties
(matlabexpr 27 "t=10e-6;" "fs=100e+6;" "ts=1/fs;" "fc=20e+6;" "f0=30e+6;"
"B=20e+6;" "ft=0:1/fs:t-1/fs;" "N=length(ft);" "k=B/fs*2*pi/max(ft);"
"y0=modulate(ft,fc,fs,\'fm\',k);" "y_fft_result=fft(y0);" ""
"t2=0:1/fs:t-1/fs+2000/fs;" "n2=length(t2);" "rand(\'state\',0);"
"u=rand(1,n2);" "x=sqrt(2*log2(1./u))*2;" "" "%y=y0.*x;" ""
"signal=[zeros(1,1000),y0,zeros(1,1000)];" "y=signal;" "" "figure;"
"specgram(y,4096,fs,hann(512),511);" "%figure;" "%plot(y);")))
(device 15 CONFIRM25
(properties
(enterButton 0)
(escapeButton 0)
(isAssigned2FKey None))
(interface
(output 1
(name "Go")
(lock name constraints)))
(implementation))
(configuration
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(connect D7:0 D8:0)
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(contextCarrier
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(configuration
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(numberFormats
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