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                   % \u5e45\u5ea6Asfs=120e6;                % \u91c7\u6837\u9891\u7387N=120MhzT=100e-6;                % \u8109\u5bbdT=100\u03bcsN=T*fs;                  % \u91c7\u6837\u70b9\u6570Nws=30e6;                 % \u8f7d\u9891ws=30MhzB=5e6;                   % \u5e26\u5bbd5MhzK=B\/T;                   % \u8c03\u9891\u659c\u7387K=B\/T=5e6\/100e-6phi0=0;                  % \u521d\u59cb\u76f8\u4f4d\u03c6t=linspace(0,T,N);       % \u663e\u793a\u65f6\u95f4t,100\u03bcs\uff0cN\u4e2a\u70b9%% \u96f7\u8fbe\u53d1\u51fa\u7684LFM\u4fe1\u53f7s=As*exp(j*(ws*t+pi*K*t.^2)+phi0); %\u96f7\u8fbe\u53d1\u51fa\u7684LFM\u4fe1\u53f7figure()subplot(2,1,1)plot(t,s);set(gca,&#8217;XTick&#8217;,[0:1e-5:1e-4]);%\u8bbe\u7f6e\u8981\u663e\u793a\u5750\u6807\u523b\u5ea6title(&#8216;\u96f7\u8fbe\u53d1\u51fa\u7684LFM\u4fe1\u53f7s&#8217;)%% \u95f4\u6b47\u91c7\u6837\u76f4\u63a5\u8f6c\u53d1\u5e72\u6270    \u95f4\u6b47\u91c7\u6837\u5468\u671fTs=10\u03bcs\uff0c\u91c7\u6837\u8109\u5bbd\u03c4=5\u03bcs\uff0c\u91c7\u6837\u5360\u7a7a\u6bd4\u03c4\/Ts=0.5%&#8212;&#8212;&#8212;-\u6784\u5efa\u91c7\u6837\u4fe1\u53f7p&#8212;&#8212;&#8212;-%tao=5e-6;                                         %\u91c7\u6837\u65f6\u95f4\u03c4=5\u03bcsTs=10e-6;                                         %\u91c7\u6837\u5468\u671fTs=10\u03bcsp10=[ones(1,tao*fs),zeros(1,(Ts-tao)*fs)];p=repmat(p10,1,10);%\u91c7\u6837\u4fe1\u53f7p%&#8212;&#8212;&#8212;-\u91c7\u6837&#8212;&#8212;&#8212;-%s1=s.*p;%figure();%plot(t,s1);%title(&#8216;\u95f4\u6b47\u91c7\u6837\u4fe1\u53f7,Ts=10\u03bcs\uff0c\u03c4=5\u03bcs&#8217;);%&#8212;&#8212;&#8212;-\u8f6c\u53d1&#8212;&#8212;&#8212;-%s11=[zeros(1,tao*fs),s1];Szjzf=s11(1,1:N);subplot(2,1,2)plot(t,Szjzf)set(gca,&#8217;XTick&#8217;,[0:1e-5:1e-4]);title(&#8216;\u95f4\u6b47\u91c7\u6837\u76f4\u63a5\u8f6c\u53d1\u4fe1\u53f7,\u95f4\u6b47\u91c7\u6837\u5468\u671fTs=10\u03bcs\uff0c\u91c7\u6837\u8109\u5bbd\u03c4=5\u03bcs&#8217;);<\/p>\n<h3>4.\u4eff\u771f\u7ed3\u679c<\/h3>\n<\/p>\n<p> #artContent h1#artContent p img#artContent table<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u57fa\u4e8eDRFM\u7684\u4f20\u7edf\u6b3a\u9a97\u5e72\u6270\u7684\u6d41\u7a0b\u4e3a\u5bf9\u96f7\u8fbe\u4fe1\u53f7\u8fdb\u884c\u4e0d\u5931\u771f\u91c7\u6837\u3001\u7ecf\u8fc7\u4e00\u5b9a\u5904\u7406 \u540e\u518d\u6062 &hellip; 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