1、 IEC 60050-702 Edition 1.0 2016-12 INTERNATIONAL STANDARD NORME INTERNATIONALE IEC 60050-702:1992-03/AMD2:2016-12(en-fr) HORIZONTAL STANDARD NORME HORIZONTALE AMENDMENT 2 AMENDEMENT 2 International electrotechnical vocabulary Part 702: Oscillations, signals and related devices Vocabulaire lectrotech
2、nique international Partie 702: Oscillations, signaux et dispositifs associs THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2016 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electro
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10、 publications. Just Published details all new publications released. Available online and also once a month by email. Electropedia - www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing 20 000 terms and definitions in English and French, with equiva
11、lent terms in 15 additional languages. Also known as the International Electrotechnical Vocabulary (IEV) online. IEC Glossary - std.iec.ch/glossary 65 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002.
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17、lectropedia - www.electropedia.org Le premier dictionnaire en ligne de termes lectroniques et lectriques. Il contient 20 000 termes et dfinitions en anglais et en franais, ainsi que les termes quivalents dans 15 langues additionnelles. Egalement appel Vocabulaire Electrotechnique International (IEV)
18、 en ligne. Glossaire IEC - std.iec.ch/glossary 65 000 entres terminologiques lectrotechniques, en anglais et en franais, extraites des articles Termes et Dfinitions des publications IEC parues depuis 2002. Plus certaines entres antrieures extraites des publications des CE 37, 77, 86 et CISPR de lIEC
19、. Service Clients - webstore.iec.ch/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 60050-702 Edition 1.0 2016-12 INTERNATIONAL STANDARD NORME INTERNATIONALE INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTR
20、OTECHNIQUE INTERNATIONALE ICS 01.040.31; 29.020; 31.020 ISBN 978-2-8322-3729-8 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Att
21、ention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. HORIZONTAL STANDARD NORME HORIZONTALE International electrotechnical vocabulary Part 702: Oscillations, signals and related devices Vocabulaire lectrotechnique international Partie 702: Oscillations, signau
22、x et dispositifs associs AMENDMENT 2 AMENDEMENT 2 II IEC 60050-702:1992/AMD2:2016 IEC 2016 FOREWORD This amendment specifies changes made to the International Electrotechnical Vocabulary (www.electropedia.org) which have not been published as a separate standard. The text of this amendment is based
23、on entries forming part of the following change requests approved by IEC technical committee 1: Terminology. Change request Approved C00025 C00026 C00028 C00029 2016-09-19 2016-09-19 2016-09-20 2016-11-02 Full information on the voting for the approval of the change requests constituting this amendm
24、ent can be found on the IEV maintenance portal. _ AVANT-PROPOS Le prsent amendement spcifie les modifications apportes au Vocabulaire Electrotechnique International (www.electropedia.org) qui nont pas t publies dans des normes individuelles. Le texte de cet amendement est issu darticles faisant part
25、ie des demandes de modification suivantes approuves par le comit dtudes 1 de lIEC: Terminologie. Demande de modification Approuve C00025 C00026 C00028 C00029 2016-09-19 2016-09-19 2016-09-20 2016-11-02 Toute information sur le vote ayant abouti lapprobation des demandes de modification constituant c
26、et amendement est disponible sur le portail “IEV maintenance”. _ IEC 60050-702:1992/AMD2:2016 1 IEC 2016 Part 702 / Partie 702 Replace IEV 702-01-06, IEV 702-02-12, IEV 702-04-02, IEV 702-04-15, IEV 702-04-38, IEV 702-05-03, IEV 702-05-04, IEV 702-05-09, IEV 702-05-16, IEV 702-05-17, IEV 702-05-18,
27、IEV 702-05-19, IEV 702-05-20, IEV 702-05-24, IEV 702-06-01, IEV 702-06-03, IEV 702-06-17, IEV 702-06-18, IEV 702-06-45, IEV 702-06-60, IEV 702-08-62, IEV 702-09-20, IEV 702-09-30 and IEV 702-09-45 by the following: Remplacer IEV 702-01-06, IEV 702-02-12, IEV 702-04-02, IEV 702-04-15, IEV 702-04-38,
28、IEV 702-05-03, IEV 702-05-04, IEV 702-05-09, IEV 702-05-16, IEV 702-05-17, IEV 702-05-18, IEV 702-05-19, IEV 702-05-20, IEV 702-05-24, IEV 702-06-01, IEV 702-06-03, IEV 702-06-17, IEV 702-06-18, IEV 702-06-45, IEV 702-06-60, IEV 702-08-62, IEV 702-09-20, IEV 702-09-30 et IEV 702-09-45 par ce qui sui
29、t: 702-01-06 baseband frequency band occupied by one signal or by a number of multiplexed signals at specified input and output points of a transmission system Note 1 to entry: In radiocommunication, the baseband is that frequency band occupied by the signal modulating the radio transmitter. Note 2
30、to entry: When the transmission involves multiple modulation, it is generally considered that the baseband is that frequency band occupied by the signal which is applied to the first modulation stage, and not the frequency band occupied by an intermediate modulated signal. bande de base, f bande de
31、frquences occupe par un signal, ou par un ensemble de signaux multiplexs, en des points spcifis lentre et la sortie dun systme de transmission Note 1 larticle: Dans une radiocommunication, la bande de base est la bande de frquences occupe par le signal qui module lmetteur radiolectrique. Note 2 lart
32、icle: Dans une transmission comportant une modulation multiple, on considre gnralement comme bande de base la bande de frquences occupe par le signal appliqu au premier tage de modulation et non la bande de frquences occupe par un modulat intermdiaire. 702-02-12 absorption conversion of electromagne
33、tic or acoustic wave energy into another form of energy, for instance heat, by interaction with matter absorption, f conversion de lnergie dune onde lectromagntique ou acoustique en une autre forme dnergie, par exemple en chaleur, par interaction avec la matire 702-04-02 analogue signal signal in wh
34、ich the characteristic quantity representing information can at any instant assume any value within a continuous interval Note 1 to entry: An analogue signal can follow continuously the values of another physical quantity representing information. 2 IEC 60050-702:1992/AMD2:2016 IEC 2016 signal analo
35、gique, m signal tel que la caractristique qui reprsente des informations est susceptible tout instant de prendre une quelconque des valeurs dun intervalle continu Note 1 larticle: Un signal analogique peut suivre de faon continue les valeurs dune autre grandeur physique reprsentant des informations.
36、 702-04-15 anisochronous, adj DEPRECATED: asynchronous, adj qualifying a time-varying phenomenon, a time-scale or a signal the consecutive significant instants of which are separated by time intervals which are not all constrained to have the same rated duration or to have rated durations equal to i
37、ntegral multiples of a unit duration Note 1 to entry: The term “asynchronous” with a different meaning is used in the technique of rotating machines (see for example IEV 411-31-09 “asynchronous machine“). anisochrone, adj DCONSEILL: asynchrone, adj qualifie un phnomne variable dans le temps, une tra
38、me temporelle ou un signal dont les instants significatifs conscutifs sont spars par des intervalles de temps qui ne sont pas tous astreints avoir la mme dure assigne ou des dures assignes gales lun des multiples dune dure unitaire Note 1 larticle: Le terme “asynchrone“ est employ dans la technique
39、des machines lectriques tournantes avec un sens diffrent (voir par exemple IEV 411-31-09 “machine asynchrone”). 702-04-38 automatic gain control AGC process or device by which the gain of an amplifier is controlled by the level of the output signal so as to reduce changes in this level as compared w
40、ith the changes in the input signal Note 1 to entry: Frequently, automatic gain control is used to keep the output signal level nearly constant. commande automatique de gain, f CAG, f processus ou dispositif par lequel le gain dun amplificateur est asservi au niveau du signal de sortie de faon rduir
41、e les variations de ce niveau par rapport celles du signal dentre Note 1 larticle: Dans de nombreux cas, la commande automatique de gain est destine maintenir sensiblement constant le niveau du signal de sortie. 702-05-03 binary digit bit DEPRECATED: unit element DEPRECATED: unit member of a set of
42、two elements used to represent information Note 1 to entry: The term “unit element” is defined in IEV 721-02-33. IEC 60050-702:1992/AMD2:2016 3 IEC 2016 lment binaire, m bit, m DCONSEILL: digit, m DCONSEILL: lment unitaire, m DCONSEILL: moment, m lun des lments dun ensemble de deux lments employ pou
43、r reprsenter des informations Note 1 larticle: Le terme “lment unitaire“ est dfini en IEV 721-02-33 et le terme “moment” est utilis en tlgraphie (voir IEV 721-03-24 et IEV 721-03-25). 702-05-04 binary figure either of the two figures 0 or 1 used in the binary numbering system chiffre binaire, m lun
44、des deux chiffres 0 et 1 utiliss en numration binaire 702-05-09 byte octet 8-bit byte, US ordered set of eight binary digits, operated on as an entity octet, m ensemble ordonn de huit lments binaires, trait comme un tout 702-05-16 code conversion transcoding changing of the representation of informa
45、tion according to a given code into a representation of the same information according to another code EXAMPLE Conversion of character signals or groups of character signals in one telegraph code into corresponding signals or group of signals in another code. transcodage, m conversion de code, f tra
46、nsformation dune reprsentation dinformations selon un certain code en une autre reprsentation des mmes informations selon un autre code EXEMPLE Transformation de signaux de caractres ou groupes de tels signaux conformes un certain code tlgraphique, en signaux quivalents conformes un autre code. 702-
47、05-17 code word code combination ordered set of elements, for instance an n-bit byte, defined by a code to represent an item of data such as a character 4 IEC 60050-702:1992/AMD2:2016 IEC 2016 codet, m mot de code, m combinaison de code, f groupe ordonn dlments, par exemple un multiplet, reprsentant
48、 selon un code une donne lmentaire telle quun caractre 702-05-18 redundant code code according to which a larger number of characters, symbols or signal elements than strictly necessary are used to represent information EXAMPLE Error detecting code; error correcting code. Note 1 to entry: In telegraphy, a five-unit code using all the characters of International Telegraph Alphabet No. 2 is not redundant. A seven-unit code such as International Telegraph Alphabet No. 3 which uses only signals made of four elements of A condition and three elements of Z condition is redund
