add in quadrature
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English
[edit]Verb
[edit]add in quadrature (third-person singular simple present adds in quadrature, present participle adding in quadrature, simple past and past participle added in quadrature)
- (sciences, engineering) To combine the magnitude of two uncorrelated signals, usually noise or errors, by taking the square root of the sum of the squares.
- 1982, “Theory of generation‐recombination noise in intrinsic photoconductors”, in Journal of Applied Physics, volume 53, :
- The derived expression for the g‐r noise consists of a thermal component and a background component which add in quadrature.