1、 IEC 61993-1 Edition 1.0 1999-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Maritime navigation and radiocommunication equipment and systems Part 1: Shipborne automatic transponder system installation using VHF digital selective calling (DSC) techniques Operational and performance requirements, met
2、hods of testing and required test results Matriels et systmes de navigation et de radiocommunication maritimes Partie 1: Installation de systmes de rpondeur automatique de bord de navires utilisant des techniques dappel slectif numrique en ondes mtriques Exigences dexploitation et de fonctionnement,
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17、. IEC 61993-1 Edition 1.0 1999-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Maritime navigation and radiocommunication equipment and systems Part 1: Shipborne automatic transponder system installation using VHF digital selective calling (DSC) techniques Operational and performance requirements, me
18、thods of testing and required test results Matriels et systmes de navigation et de radiocommunication maritimes Partie 1: Installation de systmes de rpondeur automatique de bord de navires utilisant des techniques dappel slectif numrique en ondes mtriques Exigences dexploitation et de fonctionnement
19、, mthodes dessai et rsultats dessai exigs INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE W ICS 47.020.70 PRICE CODE CODE PRIX ISBN 978-2-83220-620-1 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechni
20、que Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 61993-1 IEC:1999 CONTENTS FOREWORD . 4 INTRODUCTION . 5 1 Scope . 6 2 Normative references 7 3 D
21、efinitions and abbreviations 8 3.1 Definitions . 8 3.2 Abbreviations . 8 4 General requirements . 9 4.1 General . 9 4.2 Composition 9 4.3 Design and construction 9 4.4 Controls and indicators 9 4.5 Interfacing . 10 4.6 Permissible warming-up period 10 5 Performance requirements 10 5.1 General . 10 5
22、.2 Compatibility 11 5.3 Identification 11 6 Operational requirements 11 6.1 Ship-shore identification 11 6.2 Ship-ship identification . 12 7 Technical requirements . 12 7.1 Channel sensing 12 7.2 Class of emission and modulation characteristics . 13 7.3 Frequency bands and channels 13 7.4 Switching
23、time . 13 7.5 Safety precautions . 13 7.6 Transmitter 13 7.7 Receiver 14 7.8 Antenna system . 14 7.9 Power supply . 14 7.10 System DSC facility . 14 8 Test conditions . 15 8.1 General . 15 8.2 Unspecified tests . 15 8.3 Test power source . 15 8.4 Normal test conditions . 15 8.5 Extreme test conditio
24、ns . 16 8.6 Procedures for tests at extreme temperatures 16 8.7 Test signals . 17 8.8 Measurement of bit error rate (BER) 17 8.9 Measurement uncertainty and interpretation of the measurement results 18 9 Environmental tests 18 9.1 Introduction . 18 9.2 Temperature tests . 18 61993-1 IEC:1999 3 9.3 V
25、ibration 19 9.4 Corrosion 19 9.5 Rain 19 10 Performance tests 19 10.1 General . 19 10.2 Compatibility 20 10.3 Identification 20 11 Operational tests 20 11.1 Ship-shore identification 20 11.2 Ship-ship identification . 20 12 Technical tests . 21 12.1 Sensing capability 21 12.2 Switching time . 21 13
26、Transmitter tests . 22 13.1 Frequency error . 22 13.2 Carrier power. 22 13.3 Frequency deviation . 23 13.4 Sensitivity of the modulator 23 13.5 Modulation index . 24 13.6 Adjacent channel power . 24 13.7 Conducted spurious emissions conveyed to the antenna 25 13.8 Transient frequency behaviour of th
27、e transmitter 25 14 Receiver tests . 27 14.1 Calling sensitivity . 27 14.2 Dynamic range 27 14.3 Co-channel rejection 27 14.4 Adjacent channel selectivity . 28 14.5 Blocking immunity 28 14.6 Intermodulation response. 29 14.7 Conducted spurious emissions into the antenna . 29 15 Other tests 30 15.1 A
28、ntenna system . 30 15.2 Power supply . 30 15.3 Compass safe distance 30 16 Safety precautions 30 17 EMC emissions . 30 18 EMC immunity 30 Annex A (informative) Relationship between bit error rate (BER) input and symbol error rate (SER) output 32 Annex B (normative) Power measuring receiver specifica
29、tion 35 Annex C (informative) Description of operation of the system . 37 Figure 1 Test set-up for measuring transient frequency behaviour . 30 Figure 2 Storage oscilloscope view t 1 , t 2 and t 3. 31 4 61993-1 IEC:1999 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MARITIME NAVIGATION AND RADIOCOMMUNI
30、CATION EQUIPMENT AND SYSTEMS Part 1: Shipborne automatic transponder system installation using VHF digital selective calling (DSC) techniques Operational and performance requirements, methods of testing and required test results FOREWORD 1) The IEC (International Electrotechnical Commission) is a wo
31、rldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to o
32、ther activities, the IEC publishes International Standards. Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with t
33、he IEC also participate in this preparation. The IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of the IEC on technical matters express,
34、as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested National Committees. 3) The documents produced have the form of recommendations for international use and are published in the form of standards
35、, technical reports or guides and they are accepted by the National Committees in that sense. 4) In order to promote international unification, IEC National Committees undertake to apply IEC International Standards transparently to the maximum extent possible in their national and regional standards
36、. Any divergence between the IEC Standard and the corresponding national or regional standard shall be clearly indicated in the latter. 5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with one of its
37、standards. 6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 61993-1 has been prepared by IEC technical
38、 committee 80: Maritime navigation and radiocommunication equipment and systems. This bilingual version (2013-01) corresponds to the monolingual English version, published in 1999-04. The text of this standard is based on the following documents: FDIS Report on voting 80/212/FDIS 80/222/RVD Full inf
39、ormation on the voting for the approval of this standard can be found in the report on voting indicated in the above table. The French version of this standard has not been voted upon. Annex B is an integral part of the standard. Annexes A and C are for information only. 61993-1 IEC:1999 5 INTRODUCT
40、ION In 1995 the IMO instigated work on the development of performance standards for a shipborne automatic identification system (AIS) using VHF digital selective calling (DSC) techniques. These performance standards were developed into a draft resolution which was expected to be adopted by the IMO M
41、aritime Safety Committee. However, there were objections to this on the grounds that some requirements for AIS were not met by the draft resolution. The outcome has been that IMO has now developed further performance standards for a “Universal AIS” as a resolution which was adopted by the IMO Mariti
42、me Safety Committee in May 1998 as MSC. 74(69) annex 3. During this period, some countries have gone ahead and implemented operational systems based upon the original IMO draft performance standards for AIS. There is therefore a need for a technical testing standard for such equipment. At their plen
43、ary meeting in September 1997, technical committee 80 came to the following decisions: a draft technical standard which had been prepared on the basis of the original IMO performance standards would go ahead with the reference 61993-1, but would not directly refer to any IMO resolution for AIS; work
44、 would commence at the earliest opportunity on preparing a technical standard for a “Universal AIS” based rigorously upon the IMO resolution MSC.74(69) and a new recommendation ITU-R M.1371. This standard would have the reference 61993-2. 6 61993-1 IEC:1999 MARITIME NAVIGATION AND RADIOCOMMUNICATION
45、 EQUIPMENT AND SYSTEMS Part 1: Shipborne automatic transponder system installation using VHF digital selective calling (DSC) techniques Operational and performance requirements, methods of testing and required test results 1 Scope This part of IEC 61993 specifies the performance requirements, techni
46、cal characteristics, operational requirements, methods of testing and required test results for shipborne automatic transponder system installations using VHF digital selective calling (DSC) techniques and is associated with IEC 60945. When a requirement in this standard is different from IEC 60945,
47、 the requirement in this standard shall take precedence. The shipborne transponder installation is intended to assist in the efficient operation of ship- reporting systems and vessel traffic services (VTS) by enabling operators to identify, poll and automatically locate and track ships when they are
48、 approaching, entering and sailing within the limits of a ship-reporting system. The system may also be used for the identification of ships by a ship and ships by aircraft. A description of the system is given in annex C. This standard incorporates the technical characteristics included in ITU-R Re
49、commendation M.825 for transponder systems using DSC and the technical characteristics included in ITU-R Recommendation M.489 for VHF radiotelephone equipment; incorporates the technical characteristics of DSC equipment and the operational procedures for its use contained in Recommendations ITU-R M.493 and ITU-R M.541; incorporates applicable parts of the performance standards of IMO Resolution A.803 for shipborne
