Equation

SNR estimation signal with unknown amplitude and Gaussian noise

SNR estimation signal with unknown amplitude and Gaussian noise
  1. What is the equation for SNR?

What is the equation for SNR?

Furthermore, for power, SNR = 20 log (S ÷ N) and for voltage, SNR = 10 log (S ÷ N). Also, the resulting calculation is the SNR in decibels. For example, your measured noise value (N) is 2 microvolts, and your signal (S) is 300 millivolts.

Fourier Can we control the minimum of a continuous signal $x$ when some Fourier coefficients are constant?
Can we control the minimum of a continuous signal $x$ when some Fourier coefficients are constant?
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