Exponential decay in MATLAB time to frequency domain

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Hello Everyone,
can anybody help how i can convert time domain to frequency domain following formula? i need it for signal parametrization. If i used fft for A=1,1,1 Delta 200,200,200 Omega 100,1001,1200 and phi 0. It is possible in time domain but if i want in frequency domain then fft dont work parameter vise optimization.
Thank you so much

Accepted Answer

Greg Wolff
Greg Wolff on 24 Sep 2019
If I understood the question correctly, you can use a Laplace table to look for solutions:
You can then translate to the frequency domain if need be:
Ill ch
Ill ch on 26 Sep 2019
Thank you very much for kind informations. Its right here symbolic toolbox is necessary however in your code not.

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