how to use legend syntax properly

2021 3 3
1 个回答
回答已采纳
更新时间：2021 3 3
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recvd_signal_paralleled(1:cp_len,:)=[];
R1=recvd_signal_paralleled(:,1);
R2=recvd_signal_paralleled(:,2);
R3=recvd_signal_paralleled(:,3);
R4=recvd_signal_paralleled(:,4);
R5=recvd_signal_paralleled(:,5);
R6=recvd_signal_paralleled(:,6);
R7=recvd_signal_paralleled(:,7);
R8=recvd_signal_paralleled(:,8);
figure(15),plot((imag(R1)),'r'),subplot(8,1,1),plot(real(R1),'r'),
title('Cyclic prefix removed from the eight sub-carriers')
subplot(8,1,2),plot(real(R2),'y')
subplot(8,1,3),plot(real(R3),'g')
subplot(8,1,4),plot(real(R4),'b')
subplot(8,1,5),plot(real(R5),'k')
subplot(8,1,6),plot(real(R6),'c')
subplot(8,1,7),plot(real(R7),'m')
subplot(8,1,8),plot(real(R8),'b')
legend({'x axis-Freq','y axis-amplitude'},'Location','bestoutside','FontSize',12,'TextColor','blue')
Graph is like
only y axis legend is showing
I want to show x axis freq and yaxis amplitude
What Changes need to be done?Please help

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 采纳的回答

Cris LaPierre
Cris LaPierre 2021-3-3
编辑：Cris LaPierre 2021-3-3

0 个投票

I think you might not understand what a legend is. Have a look at the documentation.
It sounds like you want xlabel and ylabel.
Note that xlable, ylabel, title, and legend are properties of a single plot. You have 8 plots. Since you call legend at the end, it adds the legend to the last plot created.

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Dipsikha Roy
Dipsikha Roy 2021-3-3
Can you suggest me how can i say in this graph in one place that xlabel is time and ylabel is amplitude?
Cris LaPierre
Cris LaPierre 2021-3-3
Ran in:
Ran in:
plot(rand(1,10),'b')
xlabel('Time')
ylabel('Amplitude')

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