Re: FFT Size and Signal & Vector Sources Amplitude Unit

2023-03-09 Thread Marcus D. Leech
On 09/03/2023 10:14, Wolfgang Wilde wrote: In fact, in real world and with real measurement devices, the units are not related to "instantaneous voltages" and even lesser "voltages seen at the antenna". Any form of antenna may deliver different voltages. Is it some Yagi antenna? Or is the activ

Data flow stops in grc

2023-03-09 Thread George Edwards
Dear GNURadio Community, I am using Ron's Github dvbs2 project that streams data from Tx to Rx to view the Star Wars clip. I am streaming qpsk data and his grc works fine. I built 3 blocks that do RRC pulse shaping, timing and frame recovery. I inserted my blocks between the transmitter and receiv

Reverse engineering .py file grc

2023-03-09 Thread George Edwards
Hello GNURadio Community, We are looking for a way to reverse engineer some Gnuradio Python blocks that were created by folks no longer with our company to the corresponding GRC files. Is anyone familiar with a tool that can do this for us? Thank you! Regards, George

Re: File Meta Sink question

2023-03-09 Thread Volker Schroer
Hello, I think your import statement should start with small letter i. Capital letter I leads to the error message you described. -- Volker Am 09.03.23 um 17:06 schrieb Hassel, George: Hello, I'm having some difficulty with saving metadata.   I'm trying to use File Meta Sink as a block in gnur

File Meta Sink question

2023-03-09 Thread Hassel, George
Hello, I'm having some difficulty with saving metadata. I'm trying to use File Meta Sink as a block in gnuradio companion, and I get an error message in the Extra Dict. filed that "Value "pmt.make_dict()" cannot be evaluated: name 'pmt' is not defined.I try to add in an Import block that say

Re: FFT Size and Signal & Vector Sources Amplitude Unit

2023-03-09 Thread Wolfgang Wilde
In fact, in real world and with real measurement devices, the units are not related to "instantaneous voltages" and even lesser "voltages seen at the antenna". Any form of antenna may deliver different voltages. Is it some Yagi antenna? Or is the active element a closed loop? Both forms would d