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Re: How do YOU handle this disparity in fft?
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From: |
ghaverla |
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Subject: |
Re: How do YOU handle this disparity in fft? |
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Date: |
Sun, 16 Feb 2014 11:37:57 -0700 |
On Sun, 16 Feb 2014 19:06:35 +0100
Brian Kaczynski <address@hidden> wrote:
> Regarding the DC term in the FFT --
I've always thought that any linear trend in the data was supposed to
be removed (least squares, least median, ...) before the FFT was done.
In which case any DC component is going to be small.
If you are doing FFT in real time, it takes a bit of planning to remove
a linear trend in real time.
Gord
- Re: How do YOU handle this disparity in fft?, (continued)
- Re: How do YOU handle this disparity in fft?, Macy, 2014/02/13
- Re: How do YOU handle this disparity in fft?, Macy, 2014/02/14
- Re: How do YOU handle this disparity in fft?, Macy, 2014/02/15
- Re: How do YOU handle this disparity in fft?, Macy, 2014/02/16
- Re: How do YOU handle this disparity in fft?, Macy, 2014/02/16