Hello, Thank you so much for your response. Yes, I get it. I did multiply the result with the factor but I wanted to know how the constellation object setting defined it. Now I know that, thanks to Mr. Christophe and Mr. Marcus.
On Fri, Nov 15, 2019 at 1:20 PM Müller, Marcus (CEL) <muel...@kit.edu> wrote: > … 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 > > > > -- Sincerely, Md Atiqur Rahman Hochschule Bremen
