Hi all:
When I look at the code in the receive_path.py which is under the
digital-bert folder, I found this sentence:
self._snr_probe = gr.probe_mpsk_snr_c(10.0/symbol_rate)
I think this is to set the block which measure the snr of the signal. And
after I read the code in the gr_probe_
mpsk_snr_c.h/.cc, I think (10.0/symbol_rate) may be the parameter alpha in the
snr block.And the description about
the parameter in the block is:Mean and variance smoothing filter constant. But
I do not know why should we set the
value as (10.0/symbol_rate),in other words,how should I set this value if I
want use this block for other flow graph?
What rules should I follow? I hope somebody can help me for that.
Thanks in advance.
Inter
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