Suppose a system generates the nonlinear signal as its output. Is there any system to transform such signal into periodic signal (constant amplitude) when fed into it.
Dear Rizwana,
If I understood your question correctly you want to covert a transient signal (time domain) into equivalent sinusoidal signals (frequency domain). If that is the case..this is fairly simple using Fourier transformation. There are so many free softwares available online that can do the job for you. Hope that helps.
Cheers,
Dr. Saeed
Dear Saeed Ahmed, thank you for your supporting (numerical) answer. ofcourse your solution will be helpful for numerical proof. but I am a experimentalist in electronics, i want the solution in practical terms.
I have a suggestion,
Use a rectifier to charge a capacitor and then feed it to a ring oscillator. Based on the rate of charge because of non linear signal and discharge because of the ring oscillator the frequency of oscillation coming from ring oscillator changes.
Is this an answer to my question?
If yes - it might be an example only, but what is the definition of a "non-linear signal"?
R. Rizwana
sample and hold method is the simple known circuit to convert any random signal to periodic circuit.
with Best regards
vasanth
What do you mean by "nonlinear signal"? The FFT is an effective solution to transform to time domain if that what you are looking to do.
Best
Ali
Dear Ibrahim nonlinear signal can be chaotic or strange nonchaotic dynamics. I am just trying to gather basic ideas which may lead to a new invention!!
Best regards
R Rizwana
I am willing to respond to the question - provided I would understand the contents. Is there really nobody who can teach me what a "non-linear signal" is?
Dear Lutz,
it is a common bad habit to call the signal in output to a nonlinear system a nonlinear signal. Then how new inventions can arise from bad habits it's a puzzle, but it can happen.
Cheers,
S.
Simone, thank you for your explanation. But I have another question: With reference to the original question (...nonlinear signal into a periodic signal..), does this mean that the output of a nonlinear system must be non-periodic ? This question confuses me - and I still do not know what`s behind.
Speaking of which, we know that nonlinearity is an essential ingredient in all electronic oscillators, meant to generate a stable periodic output. But here more advanced circuits that oscillators are at stake, you know, "strange nonchaotic dynamics".
Anyway, perhaps the questioner wanted to mean: how to dissuade a chaotic system to generate chaotic outputs in favor of a periodic one or a more outlandish one, like a "strange nonchaotic" ?
The attached link could be on-topic.
S.
https://www.pik-potsdam.de/members/kurths/publikationen/2007/308.pdf
Simone, perhaps - yes. But is it not a "funny" situation that we have to guess what the questioner could mean?
It was my only intention to express my surprise about the fact that this (unclear) question got some answers. Perhaps, I am the only one who is not able to understand the core of the question. My fault!
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