کروند ِ دامنهدهی
Fr.: facteur d'amplification
1) Electronics: The extent to which an
→ analogue → amplifier
boosts the strength of a → signal. Also called
2) In → gravitational lensing, the ratio of the lensed
brightness to unlensed brightness. This factor depends on the mass of the
→ lensing object and the
closeness of the alignment between observer, lens, and source
(→ impact parameter).
→ amplification; → factor.