1、 TECHNICAL REPORT CISPR16-4-4 Second edition2007-07Specification for radio disturbance and immunity measuring apparatus and methods Part 4-4:Uncertainties,statistics and limit modelling Statistics of complaints and a model for the calculation of limits for the protection of radio services Reference
2、number CISPR 16-4-4/TR:2007(E)INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 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,elect
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8、 Customer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 TECHNICAL REPORT CISPR16-4-4 Second edition2007-07Specification for radio disturbance and immunity measuring apparatus and methods Part 4-4:Uncertainties,statistics and limit modelling Statistics of
9、 complaints and a model for the calculation of limits for the protection of radio services For price,see current catalogueXBCommission Electrotechnique InternationaleInternational Electrotechnical Commission PRICE CODE INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE TR CISPR 16-4-4 IEC:2007(E)
10、2 CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 Terms and definitions.6 4 Statistics of complaints and sources of interference.7 4.1 Introduction and history.7 4.2 Relationship between radio frequency interference and complaints.7 4.2.1 Radio frequency interference to a fixed radio receiv
11、er.7 4.2.2 Radio frequency interference to a mobile radio receiver.7 4.2.3 Consequences of the move from analogue to digital radio systems.7 4.3 Towards the loss of a precious indicator:interference complaints.8 4.4 CISPR recommendations for collation of statistical data on interference complaints a
12、nd classification of interference sources.8 4.5 Forms for statistics of interference complaints.9 5 A model for the calculation of limits.14 5.1 Introduction.14 5.1.1 Generation of EM disturbances.14 5.1.2 Immunity from EM disturbances.14 5.1.3 Planning a radio service.14 5.2 Probability of interfer
13、ence.15 5.2.1 Derivation of probability of interference.15 5.3 Circumstances of interferences.16 5.3.1 Close coupling and remote coupling.17 5.3.2 Measuring methods.18 5.3.3 Disturbance signal waveforms and associated spectra.20 5.3.4 Characteristics of interfered radio services.21 5.3.5 Operational
14、 aspects.22 5.3.6 Criteria for the determination of limits.23 5.4 A mathematical basis for the calculation of CISPR limits.27 5.4.1 Generation of EM disturbances(source of disturbance).27 5.4.2 Immunity from EM disturbances(victim receiver).28 5.5 Application of the mathematical basis.29 5.5.1 Radia
15、tion coupling.29 5.5.2 Wire-line coupling.30 5.6 Another suitable method for equipment in the frequency range 150 kHz to 1 GHz.38 5.6.1 Introduction.38 5.6.2 Derivation of limits.38 5.6.3 Application of limits.43 5.6.4 Overview of proposals for determination of disturbance limits for a given type of
16、 equipment.43 5.7 Rational for determination of CISPR limits in the frequency range above 1 GHz.44 5.7.1 Introduction.44 5.7.2 Consideration and estimated values of P1 to P7.45 5.7.3 Equivalent EMC environment below and above 1 GHz.51 TR CISPR 16-4-4 IEC:2007(E)3 5.7.4 Overview on parameters of radio communication services operating in the frequency range above 1 GHz and up to 16 GHz with effect to electromagnetic compatibility.52 Annex A Excerpt from CISPR Report No.31 Values of mains decouplin
