摘要
介绍了不对称数字用户环路 (ADSL)这种过渡性的宽带接入网技术 ,讨论了它的关键技术———离散多音频技术 (DMT)的原理 ,简单分析了DMT技术的一些问题 。
The Discrete Muti_tone technology(DMT) has been adopted by the standardization group T1E1.4 of ANSL and will be used in more and more ADSL modems. In this paper, Transitional Wide Band Access-Net Technology is introduced, and the theory of its key technology--DMT is presented. This paper briefly discusses some questions in the field of DMT, and the development of the technology.
出处
《电力情报》
2001年第4期50-52,共3页
Information on Electric Power
