How to plot this equation?

2015 8 6
1 个回答
更新时间：2020 10 24
9 次查看（30 天）

回答（1 个）

Jannis Reich
Jannis Reich 2015-8-6

0 个投票

Hello Haider al-kanan,
My suggestion is that you write a function P_r(f).
function P_r_result=P_r(f)
R_s=1;
N_ST=10;
delta_f=.1;
k=[-N_ST/2:-1 1:N_ST/2];
for l=1:length(f)
P_r_result(l)=0;
for i=k
P_r_result(l)=P_r_result(l)+R_s*abs(W(f(l)-i*delta_f)).^2;
end
end
end
function W_result=W(f)
T_s=1;
T_TR=1;
W_result=T_s*sinc(T_s*f)*(cos(pi*T_TR*f))./(1-4*T_TR^2*f.^2).*exp(-1j*pi*T_s*f);
end
And then in simply specify your f-values:
f=-10:.1:10;
plot(f,P_r(f))
There may be more compact solutions, but I think this one does the job.

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