先进的数字移动通信技术、sdh光通信系统技术、密集波分复用技术得到广泛采用，宽带综合业务数字网、at m宽带交换系统等高新技术正在网上试验。
Advanced technologies like digital mobile communications, SDH, dense WDM, etc. have found wide application and high and new technologies like B-ISDN and ATM are on trial over the network.
此系统的电路综合结果表明系统实现了低复杂度、低成本，证明了它在超宽带通信中的可行性和实用性。
The low complexity and low cost implementation of the whole system proves its possibility and practicability in UWB communications.
基于陆地的宽带固定无线接入系统可以较低的成本提供宽带综合业务，促成本地通信的竞争，成为国际上的热点。
The new transmitter designed by this paper can be used in 2G/3G mobile communication system, Fixed Broadband Access Systems, Wireless LAN and so on.
基于陆地的宽带固定无线接入系统可以较低的成本提供宽带综合业务，促成本地通信的竞争，成为国际上的热点。
The new transmitter designed by this paper can be used in 2G/3G mobile communication system, Fixed Broadband Access Systems, Wireless LAN and so on.
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