Re: Problems with the Frequency Xlating FIR Filter

[Marcus Müller]

Hi Michelle,

https://en.wikipedia.org/wiki/REPL : What Martin means is simply the Python language shell 
you get when you run `python3` in a console.

Best regards,
Marcus

On 26.01.22 14:24, Michelle wrote:
> Good morning Martin,
>
> please can you explain to me what you mean by REPL?
>
> Thank you have a good day
>
> On 2022-01-25 05:04, Martin Braun wrote:
> > Can you try running this in a REPL to see what the return value of 
> > firdes.lowpass(...) is?
> >
> > --M
> >
> > On Tue, Jan 25, 2022 at 2:03 AM Michelle <mkprojects731@gmail.com> wrote:
> >
> >     hello,
> >
> >     I'm using a FIR filter and I have the error : "Param - Taps(taps):
> >     Expression None is invalid for type'complex_vector'."
> >
> >     my taps is : firdes.low_pass ( 1, samp_rate, frec_carrier,
> >     25000,firdes.WIN_HAMMING )
> >
> >     samp_rate and  frec_carrier are both variables in my graph.
> >
> >     I don't understand why I have an error. Please could you tell me what I
> >     am doing wrong?
> >
> >
> >     Thank you.

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