Create an index based Schmitt Trigger
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Hello, I have a function that mimics a Schmitt Trigger to translate an analog sine wave into a digital square wave. So far, I have accomplished this with a for loop and the function works as planned. However, since I have a significant amount of data to process, I would like to do this index based for speed. I cannot think of a way to make this index based so the function performes faster.
My function is below, any suggestions on how to make this index based? Is it possible?
Thanks.
function [y] = Schmitt_Trigger(x,tL,tH)
%x is the input array that contains the analog sine wave to process.
%tL is the lower bound of the hysteresis and tH is the upper bound.
N = length(x);
y = zeros(1,N);
for i = 2:N
y(i) = y(i-1);
if y(i-1) == 0 && x(i)>tH
y(i) = 1;
end
if y(i-1) == 1 && x(i)<tL
y(i) = 0;
end
end
end
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