[Discuss-gnuradio] Re: Maximum value of samples

[Markus Feldmann]

Josh Blum schrieb:
> Thee FFT plot is in decibels, its all relative. So if your signal is 
> 40dB above the noise floor in the fft plot, than you calculate SNR: 
> http://en.wikipedia.org/wiki/Signal-to-noise_ratio#Technical_sense and 
> life is good.
I am not sure whether the Power of the Noise value will be measured ?
Because of the heavy changing noise floor.

Would it be better to calculate it or to measure the noise floor ?
http://www.sengpielaudio.com/calculator-noise.htm

Regards Markus