Re: [Discuss-gnuradio] The sinusiodal waveform is drifting from input to output.

2010-03-04 Thread Tom Rondeau
On Wed, Mar 3, 2010 at 1:06 PM, Johnathan Corgan jcor...@corganenterprises.com wrote: On Wed, Mar 3, 2010 at 03:26, srinivas naga vutukuri srinivas.vutuk...@gmail.com wrote: I am transmitting the sinusoidal wave form (IQ samples), in the following methods, and found that when i stem plot in

Re: [Discuss-gnuradio] The sinusiodal waveform is drifting from input to output.

2010-03-04 Thread Johnathan Corgan
On Thu, Mar 4, 2010 at 06:59, Tom Rondeau trondeau1...@gmail.com wrote: A fun thing to do on the USRPs is to blow on the crystal while it's transmitting. If you transmit a tone with usrp_siggen.py and receive it using usrp_fft.py with a high decimation rate (so you're only looking at a fairly

[Discuss-gnuradio] The sinusiodal waveform is drifting from input to output.

2010-03-03 Thread srinivas naga vutukuri
Hi, I am transmitting the sinusoidal wave form (IQ samples), in the following methods, and found that when i stem plot in the MATLAB both the input wave form data on one USRP2 and the received data on another USRP2, initially the waveform is exactly fitting (i mean overlapping), and after

Re: [Discuss-gnuradio] The sinusiodal waveform is drifting from input to output.

2010-03-03 Thread Mattias Kjellsson
srinivas naga vutukuri wrote: Hi, I am transmitting the sinusoidal wave form (IQ samples), in the following methods, and found that when i stem plot in the MATLAB both the input wave form data on one USRP2 and the received data on another USRP2, initially the waveform is exactly fitting

Re: [Discuss-gnuradio] The sinusiodal waveform is drifting from input to output.

2010-03-03 Thread Johnathan Corgan
On Wed, Mar 3, 2010 at 03:26, srinivas naga vutukuri srinivas.vutuk...@gmail.com wrote: I am transmitting the sinusoidal wave form (IQ samples), in the following methods, and found that when i stem plot in the MATLAB both the input wave form data on one USRP2 and the received data on another