On Wed, 16 Mar 2005, Eric Blossom wrote:
>
> serial_to_parallel and parallel_to_serial are format converters.
>
> The gr.fft_vcc block requires a vector of complex numbers for its
> input and produces a vector of complex numbers on its output.
> serial_to_parallel takes a stream of items and turns them into a
> stream of vectors. parallel_to_serial is the inverse.
>
Ok - stuff like this runs:
src = gr.sig_source_f (sample_rate,gr.GR_SIN_WAVE,440,1,0)
s2p = gr.serial_to_parallel (gr.sizeof_float, fft_size)
fft = gr.fft_vfc (fft_size,True,True)
p2s = gr.parallel_to_serial (gr.sizeof_gr_complex, fft_size)
dst = gr.file_sink (gr.sizeof_gr_complex, "fft_test")
now I just have to get a grasp on what, precisely, it means ;)
Appearently there are no(t yet) vector stream operators - such as add,
multiply ? Python would be too slow...
--Chuck
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