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Old 12th July 2008, 02:04 PM   (permalink)
Default laplace transformation

i am doing my enginnering in psg tech,coimbatore,india. i want to know the exact physical meaning of laplace transformation.is there any one to clarify my doubt..??????

Last edited by vignesh.baskar; 12th July 2008 at 02:04 PM.
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Old 12th July 2008, 03:22 PM   (permalink)
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Originally Posted by vignesh.baskar View Post
i am doing my enginnering in psg tech,coimbatore,india. i want to know the exact physical meaning of laplace transformation.is there any one to clarify my doubt..??????
hi,
I Googled for laplace transformations and use of laplace transformations
There is a lot of information available.

http://lorien.ncl.ac.uk/ming/dynamics/laplace.pdf
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Old 12th July 2008, 05:26 PM   (permalink)
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And this.
The Laplace Transform
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Old 15th July 2008, 12:50 AM   (permalink)
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It's very similar to a Fourier transform. Where a Fourier transform only has an imaginary component representing the frequency (The jω axis, a single line), the Laplace transform brings your signal/function/whatever into the whole complex plane (s=σ+jω).

If you understand how a Fourier Transform works, it doesn't take too much to extend that to a Laplace Transform.

Last edited by MioTheGreat; 15th July 2008 at 12:51 AM.
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Old 15th July 2008, 04:19 PM   (permalink)
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They will explode your head with Laplace and Fourier stuff in college. The only thing you really need to know is:

Impedance of Capacitor = 1/sC
Impedance of Resistor = R
Impedance of Inductor = sL

Sub in jw for s, solve, and you got your transfer function.
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Old 22nd July 2008, 11:51 PM   (permalink)
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Originally Posted by vignesh.baskar View Post
i am doing my enginnering in psg tech,coimbatore,india. i want to know the exact physical meaning of laplace transformation.is there any one to clarify my doubt..??????
Laplace transform is a correlator just as the Fourier transform is. Instead of correlating with sinusoids (Fourier) you correlate with exponentials (Laplace).
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Old 23rd July 2008, 04:14 AM   (permalink)
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Just be careful. You never know what might happen.

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Old 27th July 2008, 07:28 AM   (permalink)
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Ok, that is just funny
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