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Re: [Discuss-gnuradio] Re: FSK now (really) working at 100kbit/sec

From: Deqiang chen
Subject: Re: [Discuss-gnuradio] Re: FSK now (really) working at 100kbit/sec
Date: Fri, 15 Apr 2005 21:59:54 +0000

From: Eric Blossom <address@hidden>
To: Deqiang chen <address@hidden>
CC: address@hidden
Subject: Re: [Discuss-gnuradio] Re: FSK now (really) working at 100kbit/sec
Date: Fri, 15 Apr 2005 12:52:54 -0700

On Fri, Apr 15, 2005 at 07:38:32PM +0000, Deqiang chen wrote:
> Thanks, guys!
> Now I have another problem about how to use split the dat stream.
> I would like to split a data stream, put it into parallel streams and
> show these streams on
> screen. Note that I would like to show these data streams together in
> a single window.
> Could any one give me a hint about how I could do that ?

I'm not sure what you mean by "split the data stream".
Can you please elaborate?

suppose the input data stream is x
To produce an eye diagram, I need to draw the vector x[0: N] on the window,
then draw x[N+1, 2N], x[2N+1,3N], etc. Note when I am plotting the current
vector, I must not erase the previous plot in the window.
I think one way to do this is to split the dat stream x into parallel streams x_1, x_2, x_3, ..., and connect these parallel streams with one single display window.

thanks for the reply!


> I actually notice there is gr.serial_to_parallel, but the following
> code

serial_to_parallel converts a stream of items into a stream of vectors
of items.  The most common use is behind the scenes to setup for the
FFT blocks which expect a stream of vectors.  I don't think it's what
you are looking for.


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