… and the easiest way to adjust that is by simply multiplying the result with the appropriate factor
Best regards, Marcus On Fri, 2019-11-15 at 13:06 +0100, Christophe Seguinot wrote: > Hi > > Your amplitude is set in constellation object, in the constellation points > list. > > At present yours is +-1 for BPSK, and +-1+-j for QPSK > > So amplitude is 1 (+-1) for BPSK and 1.414 for QPSK > > This must be adjusted to your requirements (-0.5,0.5) for BPSK > > Regards > > > > On 15/11/2019 11:03, Md. Atiqur Rahman wrote: > > Hello there, I am working on generating a baseband signal by using > > GNU-Radio. I have chosen a random signal along with the constellation > > modulator and constellation object. However, I go through all settings for > > these blocks but don't find the setting option for signal 'Amplitude'. How > > can I be sure that my generating amplitude (let say peak to peak)? > > > > I can see the signal amplitude in QT GUI Time Sink but I am not sure how > > its amplitude define here in this scheme. It seems like signal amplitude is > > 2v peak to peak. Is it right? But I want to generate a baseband signal > > which will have 1v peak to peak. Thank you. > > > > -- > > Sincerely, > > Hasan > >
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