ITU-T O 81 NOTE-2000 A measuring signal (multitone test signal) for fast measurement of amplitude and phase for telephone type circuits《快速测量振幅和电话型电路相位的信号测量(多频测试信号)》.pdf

《ITU-T O 81 NOTE-2000 A measuring signal (multitone test signal) for fast measurement of amplitude and phase for telephone type circuits《快速测量振幅和电话型电路相位的信号测量(多频测试信号)》.pdf》由会员分享，可在线阅读，更多相关《ITU-T O 81 NOTE-2000 A measuring signal (multitone test signal) for fast measurement of amplitude and phase for telephone type circuits《快速测量振幅和电话型电路相位的信号测量(多频测试信号)》.pdf（1页珍藏版）》请在麦多课文档分享上搜索。

1、Union internationale des tlcommunications Place des Nations 1211 GENVE 20 Suisse Switzerland Suiza COVERING NOTE GENERAL SECRETARIAT INTERNATIONAL TELECOMMUNICATION UNION Subject: Erratum Geneva, 5 June 2000 Recommendation ITU-T O.81/Appendix I (06/98) TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU

2、 ITU-T Recommendation O.81/Appendix I (06/98) A measuring signal (multitone test signal) for fast measurement of amplitude and phase for telephone type circuits Replace NOTE on page (ii) by the following: NOTE In this Recommendation, the expression “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency.