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Area Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and detection / Piezoelectric and dielectric filters

IEV ref561-02-50

en
reflection coefficient
dimensionless measure of the degree of mismatch between two impedances Za and Zb given by the expression

| Z a    Z b Z a  +  Z b | MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaamaaemaabaWaaSaaaeaacaGGAbWaaSbaaSqaaiaadggaaeqaaOGaaeiiaiabgkHiTiaabccacaGGAbWaaSbaaSqaaiaabkgaaeqaaaGcbaGaaiOwamaaBaaaleaacaWGHbaabeaakiaabccacqGHRaWkcaqGGaGaaiOwamaaBaaaleaacaqGIbaabeaaaaaakiaawEa7caGLiWoaaaa@44BF@

where Za and Zb represent respectively the input and source impedance or the output and load impedance

Note 1 to entry: This entry was numbered 561-03-23 in IEC 60050-561:1991.


fr
facteur de réflexion, m
mesure sans dimension du degré de désadaptation entre deux impédances Za et Zb donnée par l’expression

| Z a    Z b Z a  +  Z b | MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaamaaemaabaWaaSaaaeaacaGGAbWaaSbaaSqaaiaadggaaeqaaOGaaeiiaiabgkHiTiaabccacaGGAbWaaSbaaSqaaiaabkgaaeqaaaGcbaGaaiOwamaaBaaaleaacaWGHbaabeaakiaabccacqGHRaWkcaqGGaGaaiOwamaaBaaaleaacaqGIbaabeaaaaaakiaawEa7caGLiWoaaaa@44BF@

Za et Zb représentent respectivement l’impédance d’entrée et l’impédance source ou l’impédance de sortie et l’impédance de charge

Note 1 à l'article: Cet article était numéroté 561-03-23 dans l'IEC 60050-561:1991.


ar
معامل انعكاس

de
Reflexionsfaktor, m

es
coeficiente de reflexión

it
coefficiente di riflessione

ko
반사 계수

ja
反射係数

pl
współczynnik odbicia, m

pt
fator de reflexão

zh
反射系数

Publication date: 2014-11
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