Entries in Innovation (1)

Saturday
Nov052011

Signal Versus Noise  

Signal-to-noise ratio is defined as the power ratio between a signal  (meaningful information) and the background noise. 


 


 \mathrm{SNR} = \frac{P_\mathrm{signal}}{P_\mathrm{noise}},

where P is average power.

 

 

 

 

 

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