the phase diversity reception of the amplitude modulation signal, the application of quadrature amplitude modulation ( qam) signal in the coherent optical system, and the automatic polarization control in the coherent optical system are studied in this thesis.

1、

diode pumped solid state laser can be used to optical metrology, length measurements, coherent optics communication and laser radar, the high precision applications need the laser frequency stabilization.

激光二极管（LD）抽运的固体激光器可用于光学计量、长度测量、相干光通信、激光雷达等方面，高精度应用要求激光器的频率稳定。

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2、

a theoretical study, and their technical advantages and disadvantages of the corresponding analysis were given in this thesis.

本论文分别对ROF系统的关键技术以及数字相干光通信关键技术进行了理论研究，并对各自的技术优缺点给出了相应的分析。

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3、

research on high-speed dpsk and coherent optical communication systems

高速DPSK与相干光通信系统研究

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4、

polarization controller ( pc) is an indispensable passive component for sop control in optics communication system especially in pmd and coherent optical communication systems.

偏振控制器（PC）是光纤通信系统尤其是偏振模色散补偿和相干光通信不可少的偏振态控制元件。

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5、

recently, people are doing wide studies on asynchronism transfer mode ( atm) and passive optical network ( pon).

近年来，人们对异步转移模式（ATM）和无源光网络（PON）进行了广泛研究。

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6、

passive optical network ( pon) is the fiber access technology that attracts the most attention.

无源光网络（PON）是最受关注的光纤接入技术。

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7、

with the rapid development of internet, the demand of high-speed access network increases steadily. ethernet passive optical network ( epon) comes forth in this situation.

随着Internet的发展，人们对高速接入网的需求与日俱增，以太无源光网络EPON技术正是在这种形势下诞生的。

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8、

a model for loss and crosstalk in wdm passive optical network ( pon) employing spectral slicing was proposed.

提出了一种频谱分割WDM无源光网络（PON）的损耗和串扰模型。

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9、

ethernet passive optical network ( epon) is viewed by many as an attractive solution to this problem.

以太无源光网络（EPON）是目前公认地最优秀的宽带光接入网解决方案之一。

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10、

the features of the frame architecture of the ethernet passive optical net ( epon) system are described.

论述了EPON（以太无源光网络）系统帧结构的特点，并分析了突发式交流耦合光接收模块的原理。

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11、

engineering characteristics of passive optical networks and its budget designing: pon average chart techniques

无源光网络的工程特点与实用设计：PON均值查图法

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12、

ethernet passive optical network ( epon) has been hot in access network technology in recent years.

以太网无源光网络（EPON）是近年来接入网研究的热点。

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13、

epon integrated the advantages of passive optical network, and can be no-slot joint with ethernet technology.

EPON集成了无源光网络的各种技术优势，而且与以太网技术可以进行无缝融合。

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14、

ethernet passive optical networks are being considered as a promising solution for next-generation broadband access network.

以太无源光网络（EPON）被认为是下一代宽带接入的最有效的解决方案。

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15、

the research of epon system

以太网无源光网络（EPON）系统的研究

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16、

connection method of 1553b devices based on ethernet passive optical network

基于以太网无源光网络的1553B设备互联方法

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17、

the application of passive optical network ( pon) in shanghai electric power

无源光网络（PON）在上海电力中的组网应用

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18、

systematic structure of ethernet passive optical network ( epon) is introduced in this article.

阐述了千兆以太无源光网络（EPON）系统。

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19、

based on analyzing some current catv broadband access technique, epon technique is introduced.

在分析目前国内有线电视网络宽带接入技术的基础上，介绍了EPON（以太网无源光网络）技术。

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20、

the simulation results by opnet verified the validity of this scheme.

利用OPNET软件对以太无源光网络（EPON）的上行调度过程进行建模仿真，仿真结果证明了此方案的有效性和正确性。

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