摘要
随着通信事业的迅速发展 ,程控交换 ,光纤传输等新的电信技术与数据通讯 ,互联网 ,计算机等信息技术相融合 ,极大地推进了现代信息科学技术的进步和通信网规模的迅速扩大。通信的发展促进了通信电源技术的发展 ,而电力电子学和化学等技术的发展 ,又使通信电源技术提高到一个新的水平 ,从九十年代开始 。
Along with the rapid development of communication, the combination among exchange, optic fiber transmission, data communication, Internet and computer makes modern science and technology progress quickly and the scale of communication net emhance. The development for communication promotes the deve-lopment for supply of communication,the development of power-electronics and chemstry makes the technology of supply for communication reach a new level. From the 1990's last century, the system and equipments of the supply were changed.
出处
《信息技术》
2003年第4期102-104,共3页
Information Technology
