收藏 分享(赏)

IEC_62459-2010_cor1-2015.pdf

上传人:益****师 文档编号:236990 上传时间:2023-03-14 格式:PDF 页数:1 大小:122.32KB
下载 相关 举报
IEC_62459-2010_cor1-2015.pdf_第1页
第1页 / 共1页
亲,该文档总共1页,全部预览完了,如果喜欢就下载吧!
资源描述

1、IEC 62459:2010/COR1:2015 1 IEC 2015 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ IEC 62459 Edition 1.0 2010-01 Sound system equipment Electroacoustical transducers Measurement of suspension parts C O R R I G E N D U M 1 3.11 lowest cone resonance frequency Replace the existing Formula(7)by the follow

2、ing new Formula:soff0)21mxf(7)6.3 Incremental dynamic measurement Replace the existing first sentence by the following:This technique for measuring the incremental stiffness Kinc(xdc)according to Equation(3)uses a superposition of a d.c.signal of certain magnitude(for example,constant restoring forc

3、e Fdc generating a d.c.position xdc)and a small a.c.signal(e.g.restoring force Fac)as stimulus and measures the a.c.response of the suspension part(e.g.the a.c.part of the displacement xac)under steady-state condition.6.4 Full dynamic measurement Replace the existing paragraph by the following:This

4、technique for measuring the dynamic stiffness K(xac)uses an a.c.signal of certain magnitude(for example,the a.c.restoring force Fac)and measures the a.c.response of the suspension part(for example,a displacement xac).9.1 Characteristic to be specified Replace,in the second sentence of this paragraph,Equation(6)by Equation(1).IEC 62459:2010-01/COR1:2015-11(en)

展开阅读全文
相关资源
猜你喜欢
相关搜索

当前位置:首页 > 专业资料 > 国外标准

copyright@ 2008-2023 wnwk.com网站版权所有

经营许可证编号:浙ICP备2024059924号-2