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    ISO 5129 AMD 1-2013 Acoustics - Measurement of sound pressure levels in the interior of aircraft during flight Amendment 1《声学 飞机飞行过程中内部声压级测量 修改件1》.pdf

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    ISO 5129 AMD 1-2013 Acoustics - Measurement of sound pressure levels in the interior of aircraft during flight Amendment 1《声学 飞机飞行过程中内部声压级测量 修改件1》.pdf

    1、 ISO 2013 Acoustics Measurement of sound pressure levels in the interior of aircraft during flight AMendMent 1 Acoustique Mesurage des niveaux de pression acoustique lintrieur des aronefs en vol AMendeMent 1 INTERNATIONAL STANDARD ISO 5129 Third edition 2001-10-01 Reference number ISO 5129:2001/Amd.

    2、1:2013(E) AMendMent 1 2013-05-15 ISO 5129:2001/Amd.1:2013(e)ii ISO 2013 All rights reserved COPYRIGHt PRO te Cted dOCUMent ISO 2013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanic

    3、al, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11

    4、 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ISO 5129:2001/Amd.1:2013(e) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standa

    5、rds is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also tak

    6、e part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is

    7、 to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibilit

    8、y that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Amendment 1 to ISO 5129:2001 was prepared by Technical Committee ISO/TC 43, Acoustics, Subcommittee SC 1, noise . ISO 2013 All rights res

    9、erved iii Acoustics Measurement of sound pressure levels in the interior of aircraft during flight AMendMent 1Page 1, 1.3, line 2 Delete “one-third-octave band sound pressure levels”, insert “one-third-octave-band sound pressure levels”.Page 1, Clause 2 Replace the preamble by the following text. Th

    10、e following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. Page 1, C

    11、lause 2 Delete ISO 31-7, footnote 1), and ISO 266 and insert the following.ISO 80000-8, Quantities and units Part 8: Acoustics Delete IEC 61260, and insert the following.IEC 61260-1, Electroacoustics Octave-band and fractional-octave-band filters Part 1: Specifications 1) Delete “2)” after IEC 61672

    12、-1 and footnote 2). Page 1, Clause 3, preamble Delete “ISO 31-7” insert “ISO 80000-8”.Page 2, 4.1, lines 3 and 6 Delete “shall conform at least to the applicable class 2”, insert “shall conform to the applicable class 1”.Page 2, 4.1, line 7 Delete “that conform at least to the class 2 specifications

    13、 of IEC 61260”, insert “that conform to the applicable class 1 specifications of IEC 61260-1”. 1) To be published. (Revision of IEC 61260.) ISO 5129:2001/Amd.1:2013(e) ISO 2013 All rights reserved 1 ISO 5129:2001/Amd.1:2013(e)Page 3, 4.4, line 2 Delete “IEC 61260”, insert “IEC 61260-1”.Page 4, 5.1.2

    14、.1, line 1 Delete “while on the ground”, insert “while the aircraft is on the ground”.Page 5, 5.3.2 c) Delete “or pressure ratio”, insert “or engine pressure ratio”.Page 5, 5.3.2 g) Delete instruments, record data appropriate for later calculation of static temperature insert instruments, then recor

    15、d data appropriate for later calculation of static air temperaturePage 6, Clause 6.2, line 4 Delete reference sound pressure. The nominal midband frequencies of the filters shall cover the range appropriate for the aircraft and shall be identified by the preferred frequencies of ISO 266. insert refe

    16、rence value for sound pressure level from ISO 1683. 5The nominal midband frequencies of the filters shall cover the range appropriate for the aircraft and shall be identified by the nominal midband frequencies as given in IEC 61260-1. Page 6, 6.5, line 3 Delete “reference sound pressure”, insert “re

    17、ference value”.Page 7, 7.1 h) Delete “rotor synchronizer”, insert “rotor speed synchronizer”.Page 7, 7.2, line 1 Delete “reference sound pressure of”, insert “reference value of”.Page 8, A.2.2, line 1 Delete “deviation of”.Page 9, A.2.3, line 4 Delete “equation (A.1)”, insert “Formula (A.1)”.2 ISO 2

    18、013 All rights reserved ISO 5129:2001/Amd.1:2013(e)Page 9, A.2.4, line 1 Delete “combined standard deviation in equation (A.1)”, insert “combined uncertainty in Formula (A.1)”Page 9, A.2.4, line 2 Delete “standard deviation”, insert “standard uncertainty”.Page 9, A.2.4, line 4 Delete standard deviat

    19、ion for the measuring instruments is likely to be less than the tolerance limits allowed insert standard uncertainty for the measuring instruments is likely to be less than the allowancesPage 9, A.2.4, line 5 After “International Standard”, insert “and should be verified by periodic laboratory tests

    20、.”Page 9, A.2.6, line 1 Delete “equation (A.1)”, insert “Formula (A.1)”.Page 10, Bibliography Update entries 2 and 3 to read as follows2 ISO/IEC Guide 98-3, Uncertainty of measurement Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)3 ISO/IEC Guide 99, International vocabulary

    21、 of metrology Basic and general concepts and associated terms (VIM) Add Reference 5 as follows.5 ISO 1683, Acoustics Preferred reference values for acoustical and vibratory levels ISO 2013 All rights reserved 3 ISO 5129:2001/Amd.1:2013(e) ISO 2013 All rights reserved ICS 17.140.30; 49.020 Price based on 3 pages


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