Symbol sigma_y
sigm is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Read this term in its guide →Published equation contexts
Why this formula appears here
Take each edge’s fractional-frequency comparison uncertainty to be = 110^{-18} , the stability optical clocks have already demonstrated is what centimetre-level geodesy requires [ 8 ] . The combined noise on the independent-edge difference - is \, . Setting signal equal to noise, \, = \, , gives
Read the representative guide
How to interpret it
Read this expression with the definitions, units, and assumptions supplied by the article.
Research cited beside this formula
Published contexts (1)
A symbol can carry a different meaning in another article. Each occurrence keeps its own guide and term definitions.
Equation 138 · Evolutionary Physics
The Bend an Elevator Cannot Fake
This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.
Take each edge’s fractional-frequency comparison uncertainty to be = 110^{-18} , the stability optical clocks have already demonstrated is what centimetre-level geodesy requires [ 8 ] . The combined noise on the independent-edge difference - is \, . Setting signal equal to noise, \, = \, , gives
Equation guide → · Article →