1、 IEC/TR 61000-1-6 Edition 1.0 2012-07 TECHNICAL REPORT Electromagnetic compatibility(EMC)Part 1-6:General Guide to the assessment of measurement uncertainty IEC/TR 61000-1-6:2012(E)BASIC EMC PUBLICATION colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,download
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10、R 61000-1-6 Edition 1.0 2012-07 TECHNICAL REPORT Electromagnetic compatibility(EMC)Part 1-6:General Guide to the assessment of measurement uncertainty INTERNATIONAL ELECTROTECHNICAL COMMISSION XB ICS 33.100 PRICE CODE ISBN 978-2-83220-204-3 BASIC EMC PUBLICATION Registered trademark of the Internati
11、onal Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitte
12、d.Uncontrolled when printed.2 TR 61000-1-6 IEC:2012(E)CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.7 3 Terms,definitions,symbols and abbreviations.8 3.1 Terms and definitions.8 3.2 Symbols.14 3.3 Abbreviations.15 4 General.16 4.1 Overview.16 4.2 Classification of uncertainty c
13、ontributions.16 4.3 Limitations of the GUM.17 4.4 Principles.18 5 Measurement uncertainty budget development.20 5.1 Basic steps.20 5.2 Probability density functions.24 5.2.1 Rectangular.24 5.2.2 Triangular.26 5.2.3 Gaussian.28 5.2.4 U-Shape.32 5.3 Concept of Type A and Type B evaluation of uncertain
14、ty.35 5.3.1 General considerations.35 5.3.2 Type A evaluation of standard uncertainty.36 5.3.3 Type B evaluation of standard uncertainty.40 5.4 Sampling statistics.42 5.4.1 General considerations.42 5.4.2 Sample mean and sample standard deviation.42 5.4.3 Sample coefficient of variation.43 5.4.4 Lim
15、its of sample-statistical confidence intervals.43 5.4.5 Sampling distribution and sampling statistics of mean value.44 5.4.6 Sampling distribution and sampling statistics of standard deviation.47 5.5 Conversion from linear quantities to decibel and vice versa.49 5.5.1 General considerations.49 5.5.2
16、 Normally distributed fluctuations.49 5.5.3 Uniformly distributed fluctuations.52 6 Applicability of measurement uncertainty.52 7 Documentation of measurement uncertainty calculation.56 Annex A(informative)Example of MU assessment for emission measurements.57 Annex B(informative)Example of MU assessment for an immunity test level setting.64 Bibliography.67 Figure 1 Classification of uncertainty components associated with the experimental evaluation of uncertainty in EMC testing and measuremen
