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How to represent digital signal?

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Gokul
Gokul 2013-4-1
回答： Riaz Uddin 2022-5-21
How to represent digital signal i.e sequence of 0's and 1's in matlab. and how to plot it
Basically i am trying to represent a switch through a diagram or a plot.
kindly help..!!

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回答（2 个）

Wayne King
Wayne King 2013-4-1
编辑：Wayne King 2013-4-1
how about just using stem()?
sig = randi([0 1],20,1);
stem(sig,'markerfacecolor',[0 0 1])
Riaz Uddin
Riaz Uddin 2022-5-21
L = 1024;
Periods = 4;
M = 128;
A = 1;
figure,plot( squareWave(L,M,Periods,A) )
function signal = squareWave(L,M,Periods,A)
signal = zeros(L,1); %initialize signal with zeros
if mod(L,Periods) ~= 0
signal = -1; % False input data
end
T = L/Periods; % Get length
% Replace only non-zero values
for idx=1:Periods
signal( 1+(idx-1)*T:1+(idx-1)*T+M) = A;
end
end

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