Re: [Discuss-gnuradio] GRC problem

[Josh Blum]

Your transmit amplitude is almost zero, try something around 10e3.

See the notes in the usrp source block.

On 05/12/2010 07:59 PM, intermilan wrote:
> hello all:
>
>          I recently use GRC and USRP to do some experiment. But there is a 
> problem for me.
>
>         I use signal_source->packet_encoder->Gmsk_mod->usrp_sink in the transmit 
> side.and it the receive side I use 
> usrp_source->Gmsk_demod->packet_decoder->scope_sink.Now I know I can see the 
> modulationed waveform in the scope_sink which is connected to the usrp_source. But I can not see 
> anything in the last scope_sink. The correlative parameters which I set about the usrp_sink and 
> usrp_source are the same as the defulat value in the benchmark_tx.py and benchmark_rx.py.and the 
> other parameter in the other block is the defult value.Can anyone tell me how to figure out this 
> problem?
>
>                                                                                 
>                                           Thank you
>                                         
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