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From: "David Egger" <eggerd@sbox.tugraz.at>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Hilbert Transform
Date: Wed, 7 May 2008 12:45:05 +0000 (UTC)
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"Andy Robb" <ajrobb@hotmail.com> wrote in message
<fvrv3v$8ja$1@fred.mathworks.com>...
> "David Egger" <eggerd@sbox.tugraz.at> wrote in message
> <fvriev$b1i$1@fred.mathworks.com>...
> 
> 
> From memory, hilbert.m uses an FFT approach, it zeros
> frequency components below 0 and double frequency components
> between zero and Nyquist. The IFFT then produces a complex
> analytic waveform. The problems with this approach are the
> same as any FFT technique and can suffer the effects of
> truncation.
---------------------------------------------------------
Hey,

thank you for answering!
Okay, I want to keep the algorithm based on the manipulation
in the frequency domain you explained.
Do you know who invented this algorithm?

You said, it is an approach.So this is not an ideal filter?
Is an ideal Hilbert filter possible?

You also said,the problem with this approach are the same as
in any fft approach.Could you name some of them?


Regards!