I was just wondering if there is an easy way to automatically measure a signal to noise ratio. I'm looking for a means that doesn't require human intervention.
Thanks.
signal to noise ratio measurement
Jan 21, 2007
2 Replies
S+N/N measurements can be automated, more or less. What kinds of signals, noise, and channels are you thinking about? What accuracy and frequency?
Chuck
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** Groper in the Dark Alert !
** The s/n ratio of an actual signal ( as opposed to an equipment spec) is usually continually varying !!!!!
A good spectrum analyser will take a snapshot of the signal +noise at any point in time and then the display can be interpreted ( in most cases ) to give the approximate s/n ratio at that moment.
All depends on the exact nature of the wanted signal and the characteristics of the noise.
........ Phil
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