相干光通信

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。

Polarization Controller ( PC ) is an indispensable passive component for SOP control in Optics Communication System especially in PMD and coherent optical communication systems .

根据相干光通信系统模型，借助MonteCarlo仿真法，对相干光通信系统进行了数据流仿真。

According to the model of coherent optical communication , we used Monte Carlo law to simulate coherent optical communication system by dataflow simulation .

高速DPSK与相干光通信系统研究

Research on High-speed DPSK and Coherent Optical Communication Systems

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。

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

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。

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 .

本文主要对调幅信号的相位分集接收，正交幅度调制（QAM）信号在相干光通信系统中的应用，以及相干光系统中的自动偏振控制技术进行了研究。

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 .

保偏光纤（PMF）在相干光通信、光纤激光器、光纤传感、光纤陀螺中应用广泛，温度稳定性是其在实际应用中的一个十分关键的问题。

Polarization-maintaining fibers ( PMF ) are widely used in coherent optical communication systems , optical fiber sensors , optical fiber lasers , optical fiber gyros , and so on . The temperature stability is one of the key factors for the application of such fiber .

采用多量子阱光折变器件的新型相干光通信接收方案探索

New Coherent Reception Optical Communication Utilizing Photorefractive Multiple Quantum Well Device

光学／红外线／紫外线导航空间相干光通信外差效率及天线像差的影响

Heterodyne Efficiency and the Effects of Aberration for Space Coherent Optical Communication

并列举了采用这些实用技术的相干光通信系统。

And displays many coherent optical communication system which use these practical technology .

大气信道部分相干光通信链路性能分析与优化

Performance Analysis and Optimization of Partially Coherent Optical Communication Links Through Atmospheric Channel

声光技术与相干光通信

Acousto Optic Technique and Coherent Light Wave Communication

利用液晶实现相干光通信的偏振控制

Realization of Polarization Control for Coherent Fiber Optic Communication by Means of Liquid Crystal

相干光通信系统中调制码型及自动偏振控制技术的研究

Research on Modulation Schemes and Automatic Polarization Control Technology in Coherent Optical Communication System

外差锁定式相干光通信

Laser heterodyne bias frequency-locking for coherent optical communication

在相干光通信等方面，要求信号光与本地振荡光偏振方向相匹配。

The polarization direction of signal is required to match with that of local oscillator .

分布反馈激光器的线宽及其与相干光通信的关系

The linewidth of distributed feedback ( dfb ) lasers and relation with coherent optical communication

空间相干光通信中接收天线像差会使光外差效率下降。

Heterodyne efficiency is reduced by aberration of receiving antenna for space coherent optical communication .

光波导极化器是相干光通信系统的一个重要器件。

Optical waveguide polarizer is an important component in coherent optical com - munication system .

相干光通信是下一代光通信主干网的关键技术。

Coherent optical communications technology is the key enabler for the next generation optical backbone networks .

相干光通信的实用化研究

Practical Research of Coherent Optical Communication

预计它们可以用于高速光通信，相干光通信和激光陀螺。

Applications are expected in high speed optical communications , coherent light wave systems and laser gyroscope .

研究表明，高速空间相干光通信链路完全可以得到实际应用。

The research indicates that high speed coherent optical systems are capable of application to satellite communication scenarios .

论文实现了一种用于相干光通信系统的自动偏振控制技术。

An automatic polarization controller technology used in the coherent optical communication system is presented in the dissertation .

相干光通信具有传输距离长、信道容量大以及信号质量好等优点。

Coherent optical communication exhibits several advantages , such as long transmission distance , large system capacity and good signal quality .

卫星激光通信按照接收方式可以分为相干光通信和非相干光通信。

According to the difference of coherent receivers , satellite laser communication sys-tems can be divided to coherent and non-coherent optical communications .

作为二十世纪九十年代曾蓬勃发展的技术，相干光通信可以更好的传送高速信号并对其中各种损伤予以补偿。

As a booming technology in 1990s , coherent optical communication can transport a higher data rate better , and compensate various impairments .

在相干光通信、半导体激光放大器及某些偏振态调制光纤传感器中要求输入光偏振态稳定。

It 's required to keep the polarization stable in coherent optical communication , semiconductor laser amplifier and some fiber sensor by polarization modulation .

作为相干光通信系统中的关键技术，调制码型技术和偏振控制技术与系统的性能密切相关。

The multi-level modulation formats and polarization control , which are key techniques in the coherent optical communication system , relate firmly to the system performance .

本文经过研究及仿真发现：相干光通信系统的性能确实优于非相干光通信系统，而且，通过引入光微波副载波复用方式，可以使相干光通信系统能够同时承载多路用户或者多种信息。

Moreover , with the introduction of microwave subcarrier multiplexing , coherent optical communication system is able to accomodate multiple users or multiple information bit stream simultaneously .