"Signal to noise ratio" and "Input signal power, referenced to 1 ohm (watts)" in AWGN

1 visualizzazione (ultimi 30 giorni)

Owen il 5 Dic 2012

0
Link

Link diretto a questa domanda

https://it.mathworks.com/matlabcentral/answers/55784-signal-to-noise-ratio-and-input-signal-power-referenced-to-1-ohm-watts-in-awgn

Hi,

In the AWGN block there are two parameters: "Signal to noise ratio" and "Input signal power, referenced to 1 ohm (watts)". I just can’t understand why the parameter "Input signal power, referenced to 1 ohm (watts)" is needed. I think "Signal to noise ratio" tells everything and only the ratio is important.

Thanks Senmeis