OT: Improving laptop wifi reception
Robert Nichols
rnicholsNOSPAM at comcast.net
Thu Aug 25 19:04:39 UTC 2011
On 08/25/2011 12:20 PM, Marko Vojinovic wrote:
>
> I'm not complaining about formatting. What I don't understand is why is SNR
> equal to 46, and not to the ratio of signal to noise, ie. 42/88, which is not
> 46, but 0.47? Or take the next row in your table: signal: -52, noise: -88,
> SNR: 36, quality: 52%. However, the ratio of signal to noise is 52/88 = 0.59,
> which has apparently nothing to do with the given SNR value 36, nor with the
> signal quality of 52%.
Decibel is a logarithmic scale. Computing the ratio of two signals is
done by subtracting one dB measurement from the other.
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