explain this Matlab code and finish its last line. %% clear all; clc; %% % DonnÃ©es de dÃ©part NbrEchParPer=128*2; NbrPer=16; % Ensuite...

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Electrical Engineering

explain this Matlab code and finish its last line.
%%
clear all;
clc;
%%
% DonnÃ©es de dÃ©part
NbrEchParPer=1282;
NbrPer=16; % Ensuite essayer avec 512
T=1e-3;
% calcul prÃ©liminaire
fs=NbrEchParPer/(T);
NbrEch=NbrEchParPerNbrPer;
%Axes des temps et des Ã©longations
t=[0:NbrEch-1]./fs;
x=repmat([ones(1,NbrEchParPer/2),zeros(1,NbrEchParPer/2)]
,1,NbrPer);
%reprÃ©sentation des signaux temporels
fig1=figure(1);clf;
subplot(4,1,[1 2],'Parent',fig1,'Color',[0 0 0]);
hold on;
plot(t,x,'.b');
plot(t,x,'-g');
ylim([-1,2]);
%%
%Calcul de la FFT
X=fft(x);
%Axe des frÃ©quences
df=fs/((NbrEch-mod(NbrEch,2))/2);
f=[0:NbrEch-1].*df;
%reprÃ©sentation du spectre
subplot(4,1,3,'Parent',fig1,'Color',[0 0 0]);
hold on;
plot(f,abs(X),'m');
subplot(4,1,4,'Parent',fig1,'Color',[0 0 0]);
hold on;
plot(f,abs(X)XXXXXXXXXXXX,'m');

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modified matlab code is given below in bold lettersclcclose allclear allclear allclc Donnes de dpartNbrEchParPer1282NbrPer16 Ensuite essayer avec 512T1e3 calcul See Answer

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