摘要
卫星通信作为现代科学技术的一部分,逐渐在信息传输领域大放异彩。一方面作为信息技术的独立部分逐渐发挥它的优势,一方面又作为光纤通信的重要补充,在光缆不能延伸的地域让人们继续享受新技术的文明成果。本文首先介绍了卫星通信技术的发展现状以及卫星通信中运用的关键技术,分析了卫星通信与光纤通信的优缺点,后又介绍了卫星通信技术的新发展以及它的主要技术问题,最后阐述了卫星通信中语音传输技术的应用。
the satellite communication as part of the modem science and technology, gradually to shine in the field of information transmission.On the one hand, as an independent part of the information technology gradually play the advantages of it, on the one hand, and as an important supplement of the optical fiber communication, the optical fiber cable cannot extend regional let people continue to enjoy the civilization of the new technology.This article first introduces the current development of satellite communication technology and the key technology of satellite communication, analyzes the advantages and disadvantages of satellite communication and optical fiber communication, and then introduces the new development of satellite communication technology and its main technical problems, finally expounds the application of the voice transmission technology in satellite communications.
出处
《网络安全技术与应用》
2014年第5期70-70,72,共2页
Network Security Technology & Application
关键词
信息技术
卫星通信
语音传输技术
information technology
Satellite communication
Voice transmission technology