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

[Deqiang chen]

> 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?
sure.
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!

david



> > 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.
>
> Eric
>
>
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