資源簡(jiǎn)介
包含頻域差值技術(shù)的文檔和matlab源代碼,對(duì)于研究時(shí)頻變換的同學(xué)有很大幫助的。

代碼片段和文件信息
%Frequency?Domain?Integration?Test
%
%Generate?chirp?(Down-up?linear?frequency?sweep‘)
dt=512/25000;
fDop0=1000;
nrecs=10000;
tt=[-nrecs/2:nrecs/2-1]*dt;
a=?2*pi*fDop0/tt(1);
phase=a*tt.^2/2;?????????????????????%Pure?symmetric?quadratic?phase
fDop?=a*tt/(2*pi);???????????????????%Associated?linear?rate?of?change
phase_meas=FrequencyDomainIntegrator(fDoptt);
figure
subplot(211)
plot(ttphase-phase(nrecs/2)‘r‘)
ylabel(‘True?Phase--rad‘)
grid?on
subplot(212)
plot(tt(phase_meas-phase_meas(nrecs/2))-(phase-phase(nrecs/2))‘r‘)
ylabel(‘Phase?Error--rad‘)
xlabel(‘time--sec‘)
grid?on
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件???????57301??2009-12-30?18:30??FourierDomainIntegration.pdf
?????文件?????????620??2009-12-30?18:24??FreqDomainIntTest.m
?????文件????????1476??2009-12-30?18:27??FrequencyDomainIntegrator.m
?????文件????????1333??2009-12-30?22:48??license.txt
?????文件?????????218??2009-12-30?18:18??nicefftnum.m
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