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Re: [Discuss-gnuradio] FIR filter Interpolation vs Resampler
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From: |
Marcus Müller |
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Subject: |
Re: [Discuss-gnuradio] FIR filter Interpolation vs Resampler |
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Date: |
Fri, 07 Nov 2014 12:25:01 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.7.0 |
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Hi Daniel,
because both introduce delays and the delay of one of these is 2
samples longer.
Greetings,
Marcus
On 07.11.2014 10:07, Daniel Batista wrote:
> Hi
>
> I derive the output of a signal, both to an Interpolating FIR
> filter and Rational Resampler (in parallel) and then I connect them
> to a Time Sink (with 2 inputs). I use the same interpolation factor
> for both blocks (interpolation = 4). I also use in taps the same
> rcc filter. In Time Sink plot I observe a time delay in these 2
> signals. Does anyone know why this happens?
>
> Thank you Daniel
>
>
>
> _______________________________________________ Discuss-gnuradio
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> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
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