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IEC_TR_61282-7-2003.pdf

1、TECHNICALREPORTIEC TR 61282-7First edition2003-01Fibre optic communication system design guides Part 7:Statistical calculation of chromatic dispersionGuides de conception des systmes de communications fibres optiques Partie 7:Calcul statistique de la dispersion chromatiqueReference numberIEC/TR 6128

2、2-7:2003(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numberingAs from 1 January 1997 all IEC publications are issued with a designation in the60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consoli

3、dated editionsThe IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,thebase publication incorporating amendment 1 and the base publication incorporatingamendments 1 and 2.Further information on IEC p

4、ublicationsThe technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating tothis publication,including its validity,is available in the IEC Catalogue ofpublications(see below)in addition to new editio

5、ns,amendments and corrigenda.Information on the subjects under consideration and work in progress undertakenby the technical committee which has prepared this publication,as well as the listof publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publicati

6、onsThe on-line catalogue on the IEC web site(http:/www.iec.ch/searchpub/cur_fut.htm)enables you to search by a variety of criteria including text searches,technicalcommittees and date of publication.On-line information is also available onrecently issued publications,withdrawn and replaced publicati

7、ons,as well ascorrigenda.IEC Just Published This summary of recently issued publications(http:/www.iec.ch/online_news/justpub/jp_entry.htm)is also available by email.Please contact the CustomerService Centre(see below)for further information.Customer Service CentreIf you have any questions regarding

8、 this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.chTel:+41 22 919 02 11Fax:+41 22 919 03 00LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TECHNICALREPORTIECTR 61282-7First editi

9、on2003-01Fibre optic communication system design guides Part 7:Statistical calculation of chromatic dispersionGuide de conception des systmes de communications fibres optiques Partie 7:Calcul statistique de la dispersion chromatiquePRICE CODE IEC 2003 Copyright-all rights reservedNo part of this pub

10、lication may be reproduced or utilized in any form or by any means,electronic ormechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 1

11、1 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.chMFor price,see current catalogueCommission Electrotechnique InternationaleInternational Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 TR 61282

12、-7 IEC:2003(E)CONTENTSFOREWORD.31Scope.42Normative references.43Characterisation of chromatic dispersion coefficient versus wavelength.54Characterisation of chromatic dispersion coefficient statistics versus wavelength.65Calculation of the concatenation statistics for a single population of optical

13、fibres.96Generalisation of concatenation statistics for multiple populations including components.10Figure 1 Distribution of dispersion parameters.6Figure 2 Histogram of values at 1 560 nm.7Figure 3 Histogram of values at 1 530 nm.7Figure 4 Average dispersion coefficient versus wavelength.8Figure 5

14、Standard deviation of dispersion coefficient versus wavelength.8Figure 6 Fibre average.11Figure 7 Fibre standard deviation.11Figure 8 Dispersion compensator average.12Figure 9 Dispersion compensator standard deviation.12Figure 10 Combined three sigma limits.13Table 1 Computed values at two selected

15、wavelengths.10LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TR 61282-7 IEC:2003(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION_FIBRE OPTIC COMMUNICATION SYSTEM DESIGN GUIDES Part 7:Statistical calculation of chromatic dispersionFOREWO

16、RD1)The IEC(International Electrotechnical Commission)is a worldwide organization for standardization comprisingall national electrotechnical committees(IEC National Committees).The object of the IEC is to promoteinternational co-operation on all questions concerning standardization in the electrical and electronic fields.Tothis end and in addition to other activities,the IEC publishes International Standards.Their preparation isentrusted to technical committees;any IEC National Committee intere

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