Making a look-up table periodic

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MARCO LORENZI
MARCO LORENZI 2021년 11월 12일
댓글: MARCO LORENZI 2021년 11월 16일
Good morning everyone!
I have the following look-up table.
Basically, this table contains a sample that goes from -180 to 180deg and i would like this sample to be repeated with a period of 2*pi. (To be more clear, the input of the table goes from from -inf to +inf but the table manages only -180 to 180deg).
Is it possible?

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Chunru
Chunru 2021년 11월 12일
theta = (-180:180);
x = randn(size(theta));
% Look up table/interpolant
F = griddedInterpolant(theta, x);
% wrap the input to +/-180
y = F(25)
y = -1.1305
y = F(wrapTo180(746))
y = -0.2496
  댓글 수: 5
Chunru
Chunru 2021년 11월 14일
You just neet to insert a matlab function block and using the wrapTo180 function.
MARCO LORENZI
MARCO LORENZI 2021년 11월 16일
Thank you very much for the help!

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