Transitions, pulses and related waveforms - Terms, definitions and algorithms

IEC 60469:2013 provides definitions of terms pertaining to transitions, pulses, and related waveforms and provides definitions and descriptions of techniques and procedures for measuring their parameters. The waveforms considered in this standard are those that make a number of transitions and that remain relatively constant in the time intervals between transitions. Signals and their waveforms for which this standard apply include but are not limited to those used in: - digital communications, data communications, and computing; - studies of transient biological, cosmological, and physical events; - and electrical, chemical, and thermal pulses encountered and used in a variety of industrial, commercial, and consumer applications. This standard does not apply to sinusoidally-varying or other continuously-varying signals and their waveforms. The object of this standard is to facilitate accurate and precise communication concerning parameters of transitions, pulses, and related waveforms and the techniques and procedures for measuring them. IEC 60469:2013 combine the contents of IEC 60469-1 and IEC 60469-2. IEC 60469-1 dealt with terms and definitions for describing waveform parameters and IEC 60469-2 described the waveform measurement process. Other technical revisions include updating of terminology, errors correction, algorithms addition for computing values of pulse parameters, and addition of a newly-developed method for computing state levels. Changes to the definitions include adding new terms and definitions, deleting unused terms and definitions, expanding the list of deprecated terms, and updating and modifying existing definitions.

Übergänge, Impulse und zugehörige Schwingungsabbilder – Begriffe, Definitionen und Algorithmen

Transitions, impulsions et formes d'ondes associées - Termes, définitions et algorithmes

La CEI 60469:2013 définit des termes relatifs aux transitions, impulsions et formes d'ondes associées, puis définit et décrit plusieurs techniques et procédures de mesure des paramètres correspondants. Les formes d'ondes abordées dans la présente norme sont celles qui présentent un certain nombre de transitions et restent relativement constantes dans l'intervalle de temps séparant les transitions. Les signaux et formes d'ondes associées auxquels la présente norme s'applique comprennent, sans s'y limiter, ceux utilisés dans: - les communications numériques, les communications de données et l'informatique; - l'étude des événements biologiques, cosmologiques et physiques transitoires; - ainsi que les impulsions électriques, chimiques et thermiques rencontrées et utilisées dans diverses applications industrielles, commerciales et grand public. La présente norme ne concerne pas les signaux à variation sinusoïdale et autres signaux à variation continue, ni leurs formes d'ondes associées. La présente norme a pour objet, d'une part, de faciliter une communication précise et claire quant aux paramètres des transitions, des impulsions et des formes d'ondes associées, d'autre part, de définir les techniques et procédures permettant de les mesurer. La CEI 60469:2013 vise à combiner le contenu des normes CEI 60469-1 et CEI 60469-2. La CEI 60469-1 traitait des termes et définitions visant à décrire les paramètres de forme d'onde, et la CEI 60469-2 décrivait le procédé de mesure des formes d'ondes. D'autres mises à jour techniques incluent l'actualisation de la terminologie, la correction d'erreurs, l'ajout des algorithmes de calcul des valeurs de paramètres d'impulsion et l'introduction d'une nouvelle méthode de calcul des niveaux d'état. Les modifications apportées aux définitions comprennent l'ajout de nouveaux termes et définitions, la suppression de termes et définitions inutilisés, l'extension de la liste des termes déconseillés, de même que l'actualisation et la modification des définitions existantes.

Prehodi, impulzi in z njimi povezane valovne oblike - Izrazi, definicije in algoritmi (IEC 60469:2013)

Ta mednarodni standard podaja opredelitve izrazov s področja prehodov, impulzov in z njimi povezanih valovnih oblik, ter podaja opredelitve in opise tehnik ter postopkov za merjenje njihovih parametrov. Valovne oblike, vključene v ta standard, so tiste, ki ustvarijo več prehodov in ostanejo v časovnih intervalih med prehodi relativno stanovitne. Signali in njihove valovne oblike, za katere velja ta standard, med drugim vključujejo tiste, ki se uporabljajo na področju: digitalnih komunikacij, podatkovnih komunikacij in računalništva; študij prehodnih bioloških, kozmoloških in fizičnih dogodkov; ter električnih, kemijskih in toplotnih impulzov, ki nastajajo in se uporabljajo za različne industrijske, komercialne in potrošniške uporabe. Ta standard se ne uporablja za sinusno različne ali druge nenehno spreminjajoče se signale in njihove valovne oblike. Namen tega standarda je omogočiti natančno komunikacijo glede parametrov prehodov, impulzov in z njimi povezanih valovnih oblik ter tehnik in postopkov za njihovo merjenje.

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Prehodi, impulzi in z njimi povezane valovne oblike - Izrazi, definicije in algoritmi (IEC 60469:2013)Übergänge, Impulse und zugehörige Schwingungsabbilder- Begriffe, Definitionen und Algorithmen (IEC 60469:2013)Transitions, impulsions et formes d'ondes associées - Termes, définitions et algorithmes (CEI 60469:2013)Transitions, pulses and related waveforms - Terms, definitions and algorithms (IEC 60469:2013)17.220.20Measurement of electrical and magnetic quantities01.040.17Meroslovje in merjenje. Fizikalni pojavi (Slovarji)Metrology and measurement. Physical phenomena (Vocabularies)ICS:Ta slovenski standard je istoveten z:EN 60469:2013SIST EN 60469:2013en01-september-2013SIST EN 60469:2013SLOVENSKI
CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung
Management Centre: Avenue Marnix 17, B - 1000 Brussels
© 2013 CENELEC -
All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60469:2013 E
ICS 01.040.17; 17.220.20
English version
Transitions, pulses and related waveforms -
Terms, definitions and algorithms (IEC 60469:2013)
Transitions, impulsions et formes d'ondes associées -
Termes, définitions et algorithmes (CEI 60469:2013)
Übergänge, Impulse und zugehörige Schwingungsabbilder - Begriffe, Definitionen und Algorithmen (IEC 60469:2013)
This European Standard was approved by CENELEC on 2013-05-28. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
Foreword The text of document 85/409/CDV, future edition 1 of IEC 60469, prepared by IEC/TC 85 "Measuring equipment for electrical and electromagnetic quantities" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60469:2013. The following dates are fixed: • latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2014-02-28 • latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2016-05-28
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 60469:2013 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: ISO 9000:2005 NOTE
Harmonised as EN ISO 9000:2005 (not modified). ISO 10012:2003 NOTE
Harmonised as EN ISO 10012:2003 (not modified).
IEC 60469 Edition 1.0 2013-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Transitions, pulses and related waveforms – Terms, definitions and algorithms
Transitions, impulsions et formes d'ondes associées – Termes, définitions et algorithmes
– 2 – 60469 © IEC:2013 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope . 7 2 Normative references . 7 3 Terms, definitions and symbols . 7
General . 7 3.1 Terms and definitions . 7 3.2 Symbols . 25 3.3 Deprecated terms . 25 3.44 Measurement and analysis techniques . 26
General . 26 4.1 Method of waveform measurement . 26 4.2 Description of the waveform measurement process . 27 4.3 Waveform epoch determination . 28 4.4 Selection of waveform epoch . 28 4.4.1 Exclusion of data from analysis . 28 4.4.25 Analysis algorithms for waveforms . 28
Overview and guidance . 28 5.1 Selecting state levels . 28 5.2 General . 28 5.2.1 Data-distribution-based methods - Histograms. 28 5.2.2 Data-distribution-based methods - Shorth estimator . 31 5.2.3 Other methods . 33 5.2.4 Algorithm switching. 34 5.2.5 Determination of other single transition waveform parameters . 34 5.3 General . 34 5.3.1 Algorithm for calculating signed waveform amplitude . 34 5.3.2 Algorithm for calculating percent reference levels . 35 5.3.3 Algorithms for calculating reference level instants . 35 5.3.4 Algorithm for calculating transition duration between x1 % and x2 % 5.3.5reference levels . 36
Algorithm for calculating the undershoot and overshoot aberrations of 5.3.6step-like waveforms . 36
Algorithm for calculating waveform aberrations . 38 5.3.7 Algorithm for calculating transition settling duration . 39 5.3.8 Algorithm for calculating transition settling error . 40 5.3.9 Analysis of single and repetitive pulse waveforms . 40 5.4 General . 40 5.4.1 Algorithm for calculating pulse duration . 40 5.4.2 Algorithm for calculating waveform period. 40 5.4.3 Algorithm for calculating pulse separation . 41 5.4.4 Algorithm for calculating duty factor . 42 5.4.5 Analysis of compound waveforms . 42 5.5 General . 42 5.5.1 Waveform parsing . 43 5.5.2 Subepoch classification . 45 5.5.3 Waveform reconstitution . 45 5.5.4SIST EN 60469:2013

60469 © IEC:2013 – 3 –
Analysis of impulse-like waveforms . 46 5.6 Algorithm for calculating the impulse amplitude . 46 5.6.1 Algorithm for calculating impulse center instant . 46 5.6.2 Analysis of time relationships between different waveforms . 46 5.7 General . 46 5.7.1 Algorithm for calculating delay between different waveforms . 46 5.7.2 Analysis of waveform aberration . 46 5.8 Analysis of fluctuation and jitter . 46 5.9 General . 46 5.9.1 Determining standard deviations . 47 5.9.2 Measuring fluctuation and jitter of an instrument . 50 5.9.3 Measuring fluctuation and jitter of a signal source . 53 5.9.4Annex A (informative)
Waveform examples . 54 Bibliography . 64
Figure 1 – Single positive-going transition. 10 Figure 2 – Single negative-going transition . 11 Figure 3 – Single positive pulse waveform . 13 Figure 4 – Single negative pulse waveform . 13 Figure 5 – Overshoot and undershoot in single positive-going transition . 15 Figure 6 – Overshoot and undershoot in a single negative-going transition . 15 Figure 7 – Pulse train . 17 Figure 8 – Compound waveform . 22 Figure 9 – Calculation of waveform aberration . 23 Figure 10 – Waveform acquisition and measurement process . 27 Figure 11 – Generation of a compound waveform . 43 Figure A.1 – Step-like waveform . 54 Figure A.2 – Linear transition waveform . 55 Figure A.3 – Exponential waveform . 56 Figure A.4 – Impulse-like waveform . 57 Figure A.5 – Rectangular pulse waveform . 58 Figure A.6 – Trapezoidal pulse waveform . 59 Figure A.7 – Triangular pulse waveform . 60 Figure A.8 – Exponential pulse waveform . 61 Figure A.9 – Double pulse waveform . 62 Figure A.10 – Bipolar pulse waveform . 62 Figure A.11 – Staircase waveform . 63 Figure A.12 – Pulse train . 63
Table 1 – Comparison of the results from the exact and approximate formulas for computing the standard deviation of the calculated standard deviations . 49
FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC i

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