Talk:Minimum detectable signal

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Wrong Formula edit

Latest comment: 10 years ago1 comment1 person in discussion

The formula presented on this page always applies a constant noise figure for a given bandwidth. It should apply the noise in 1Hz to the bandwidth.

MDS (dBW) = 10log10((kT/1mW) * Bandwidth) + (noise figure, dB)+ SNRout (dB) — Preceding unsigned comment added by 92.28.190.8 (talk) 07:18, 28 April 2013 (UTC)Reply

confusing sentence edit

Latest comment: 5 years ago2 comments2 people in discussion

I find this sentence: "Any signal of lower power may not be discerned from noise, except for specific situations." to be quite confusing. The article correctly states in the opening that to reasonably talk about this, one needs to define what it means to detect a signal, i.e. required SNR but also the integration time of the observation. If I have a (constant) signal 3dB below the noise floor of my device and observe it for an hour, it will be easily visible. Scummos (talk) 10:57, 10 January 2015 (UTC)Reply

The whole article is somewhat confusing. It is hard to get the idea where the formulation for the MDS stem from. Heiko242 (talk) 19:41, 22 February 2019 (UTC)Reply

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