可以仿真的锁相环的matlab代码.doc

Title 进入锁相环的数据星座图 axis 2 2 2 2

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title( ' 进入锁相环的数据星座图 ' ); axis([-2 2 -2 2]); grid on ; hold on ; subplot(2,2,3) plot(Signal_PLL(Show_D:Show_U), 'r*' );
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grid on ; subplot(2,2,4) plot(Signal_PLL(Show_D:Show_U), 'r*' ); title( ' 锁相环锁定及稳定后的数据星座图 ' ); axis([-2 2 -2 2]); grid on ; figure % 设定显示范围 Show_D=300; % 起始位置 Show_U=350; % 终止位置 Show_Length=Show_U-Show_D; subplot(2,2,1) plot(I_Data(Show_D:Show_U)); grid on ; title( 'I 路信息数据 ' ); axis([1 Show_Length -2 2]); subplot(2,2,2) plot(Q_Data(Show_D:Show_U)); grid on ; title( 'Q 路信息数据 ' ); axis([1 Show_Length -2 2]); subplot(2,2,3) plot(I_PLL(Show_D:Show_U)); grid on ; title( ' 锁相环输出 I 路信息数据 ' ); axis([1 Show_Length -2 2]); subplot(2,2,4) plot(Q_PLL(Show_D:Show_U)); grid on ; title( ' 锁相环输出 Q 路信息数据 ' ); axis([1 Show_Length -2 2]);
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