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Area Digital technology – Fundamental concepts / Information theory

IEV ref171-07-25

Symbol
H ( Y|X ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaiGc9aspC0FXdbbc9asFfpec8Eeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmaadiWaaiWabaabaiaafaaake aacaWGibWaaSbaaSqaaiabgkHiTaqabaGcdaqadaqaaiaadMfacaGG 8bGaamiwaaGaayjkaiaawMcaaaaa@433B@

en
irrelevance
prevarication
spread
conditional entropy of a specific set of messages Y at a message sink given a specific set of messages X at a message source connected to the message sink by a specific channel

Note 1 to entry: H (Y| X)= H + (X| Y)+H(Y)H(X) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaiGc9aspC0FXdbbc9asFfpec8Eeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmaadiWaaiWabaabaiaafaaake aacaWGibWaaSbaaSqaaiabgkHiTaqabaGccaGGOaGaamywamaaeeaa baGaamiwaiaacMcacqGH9aqpcaWGibWaaSbaaSqaaiabgUcaRaqaba GccaGGOaGaamiwamaaeeaabaGaamywaiaacMcacqGHRaWkcaWGibGa aiikaiaadMfacaGGPaGaeyOeI0IaamisaiaacIcacaWGybGaaiykaa Gaay5bSdaacaGLhWoaaaa@5308@ where H + ( X|Y ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaiGc9aspC0FXdbbc9asFfpec8Eeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmaadiWaaiWabaabaiaafaaake aacaWGibWaaSbaaSqaaiabgUcaRaqabaGcdaqadaqaaiaadIfacaGG 8bGaamywaaGaayjkaiaawMcaaaaa@4330@ is equivocation and H is entropy.


[SOURCE: IEC 80000-13:2008, 13-34, modified – Addition of information useful for the context of the IEV, and adaptation to the IEV rules]


fr
altération, f
mesure de l'incertitude, f
dispersion, f
entropie conditionnelle d'un ensemble déterminé Y de messages reçus par un collecteur de messages lorsque l'on connaît un ensemble déterminé X de messages issus d'une source de messages reliée au collecteur par un canal déterminé

Note 1 à l’article: H (Y| X)= H + (X| Y)+H(Y)H(X) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaiGc9aspC0FXdbbc9asFfpec8Eeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmaadiWaaiWabaabaiaafaaake aacaWGibWaaSbaaSqaaiabgkHiTaqabaGccaGGOaGaamywamaaeeaa baGaamiwaiaacMcacqGH9aqpcaWGibWaaSbaaSqaaiabgUcaRaqaba GccaGGOaGaamiwamaaeeaabaGaamywaiaacMcacqGHRaWkcaWGibGa aiikaiaadMfacaGGPaGaeyOeI0IaamisaiaacIcacaWGybGaaiykaa Gaay5bSdaacaGLhWoaaaa@5308@ H + ( X|Y ) MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaiGc9aspC0FXdbbc9asFfpec8Eeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmaadiWaaiWabaabaiaafaaake aacaWGibWaaSbaaSqaaiabgUcaRaqabaGcdaqadaqaaiaadIfacaGG 8bGaamywaaGaayjkaiaawMcaaaaa@4330@ est l’équivoque et H est l’entropie.


[SOURCE: IEC 80000-13:2008, 13-34, modifié – Ajout d’informations utiles pour le contexte de l’IEV, et adaptation aux règles de l’IEV]


ar
لاعلاقة
عدم الإرتباط
اللاعلاقية

de
Streuentropie, f
Irrelevanz, f

fi
vääristymä
hajauma

ja
散布度
散布量

pl
niestosowność, f
rozrzut, m

pt
irrelevância

zh
不相关

Publication date: 2019-03-29
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