因此，毫无疑问光纤直放站在WCDMA系统中会起到重要的作用。
Therefore the fiber optic repeater will play an important role in WCDMA system.
摘要：本文介绍了光纤直放站的工作原理、传输方式、使用特点、应用及原则。
Abstract: : This paper introduces work principle, the transmission way, service characteristics, application and principles of fiber optic repeater.
介绍光纤直放站原理、组网方式、设备特点以及在既有铁路电气化改造中的应用。
This paper introduces the principle, networking style, characteristics of fiber-optic repeater, and its applications in the existing railway electrification.
WCDMA光纤直放站光收发一体模块是WCDMA光纤直放站系统的核心部件。
The optical transceiver module is the most important part in the WCDMA optical repeater system.
在采用LCX的区段，由于时延限制，提高光纤直放站输出电平不能增加覆盖范围。
In the LCX section, the coverage range cannot be increased due to the time-limited delay by increasing the output-electrical level of optic-fiber Repeaters.
本论文的研究目的就是设计一种WCDMA射频光模块，以满足WCDMA光纤直放站的设计需求，实现通信网络的覆盖。
The purpose of this paper is to design a WCDMA RF optical module, which can fulfill the need of WCDMA fiber optic repeater and realize the coverage of WCDMA network.
数字直放站采用数字中频处理技术方式并通过光纤实现远距离信号传输，此对系统中的锁相源的相位噪声提出了很高的要求。
In digital repeater, the application of digital intermediate frequency technology and realization of optical fiber transmission for distance will require for little Phase Noise of Phase-Locked Source.
数字直放站采用数字中频处理技术方式并通过光纤实现远距离信号传输，此对系统中的锁相源的相位噪声提出了很高的要求。
In digital repeater, the application of digital intermediate frequency technology and realization of optical fiber transmission for distance will require for little Phase Noise of Phase-Locked Source.
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