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From: Ben Mercer on 13 May 2010 16:51
Hi all,

I have been trying to use ifft to calculate the coefficients of an FIR filter. When I check the filter with freqz, the magnitude is fine, but the phase has gone all jaggedy and doesnt resemble the desired phase. Does anyone have any ideas as to why this might be?

Thanks in advance

Ben
From: Greg Heath on 14 May 2010 01:38
On May 13, 4:51 pm, "Ben Mercer" <unplumbed_gib...(a)hotmail.com> wrote:
> Hi all,
>
> I have been trying to use ifft to calculate the coefficients of an FIR filter. When I check the filter with freqz, the magnitude is fine, but the phase has gone all jaggedy and doesnt resemble the desired phase. Does anyone have any ideas as to why this might be?


Sample code?

Greg
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