载波同步是正交频分复用系统的一项关键技术。
Carrier frequency synchronization is one of the key techniques of OFDM system.
正交频分复用系统的上行同步需要测距来完成。
Up-link synchronization in OFDM system is completed by ranging.
信道估计是正交频分复用系统中的关键技术之一。
Channel Estimation technique is one of the key techniques in OFDM communication systems.
提出了一种新的降低正交频分复用系统峰均功率比的方法。
A new method is proposed to reduce the peak-to-average power ratio of orthogonal frequency division multiplexing system.
将联合最大似然分组半盲估计算法应用于正交频分复用系统。
Joint ML block semi-blind channel estimation is applied to OFDM system.
本文对复用系统加以归纳分类，就几个方面展望了其市场前景。
This paper classi-fies the multiplexing systems and envisions the market prospect.
在正交频分复用系统中，帧同步对系统性能起到十分重要的作用。
In the orthogonal frequency division multiplexing system, the frame synchronization plays an important role in the performance of system.
文中还给出利用频谱交错技术多路复用系统参数的选择与实验结果。
The choice of parameters for a multiplex system using spectrum interleave technique and results of experiment are given also.
讨论了这种方案在光纤通信方面特别是在密集波分复用系统中的应用前景。
We also discussed its application prospects in optical fiber communications, especially in DWDM.
依据有限域直和与有限环同构的代数性质，对多路复用系统构造线性分组码。
According to algebraic property that a direct sum of Galois fields is isomorphic to a finite ring, the linear block code for multiplexing systems is proposed.
最后分析了交叉相位调制效应对波分复用系统中一阶偏振模色散补偿的影响。
Finally the effect of XPM on first-order PMD compensation in WDM systems is analyzed.
该文提出了一种新的信道估计算法，用于无线移动信道下的正交频分复用系统。
This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing systems.
提出了一种新的无线信道下基于循环前缀的正交频分复用系统符号定时同步算法。
A symbol timing algorithm for orthogonal frequency division multiplexing (OFDM) systems with the cyclic prefix under wireless channels is proposed.
本文着重研究了偏振度法监测光纤链路PMD的性能和PMD对偏振复用系统的影响。
The topic of this thesis is focused on the DOP technique applied to monitor the PMD of the optical link and the impact of the PMD on the PM system.
因此SDM作为一个与FDM和TDM相平行的多路复用系统是完全能用于遥测中的。
Thus, the SDM, as a multiplex system parallel to FDM and TDM, can be perfectly applied to telemetry.
结合工程应用的实例，介绍了采用密集波分复用系统光监控波道传送同步信号的方法。
Combined with the example of engineering application, it introduces the method of transporting synchronization signal through optical supervisory channel of DWDM system.
本文利用半导体激光器的热阻模型，研究分析了密集波分复用系统中光源的波长控制技术。
This paper introduced a thermal resistance model of semiconductor laser diode, and analyzed wavelength control technology of laser diode in dense WDM system.
本文采用变分法和数值方法研究了具有随机色散的光时分复用系统中色散管理孤子相互作用。
Dispersion-managed soliton interaction is investigated in an optical time-division multiplexed system with random dispersion map by the variational approach and the numerical simulation.
针对载波加权正交频分复用系统中权值选择的不确定性，提出了一种载频盲同步的性能分析方法。
Aiming at the uncertainty of weights selection in the weighting orthogonal frequency division multiplexing system, a performance analysis method for carrier blind synchronization is proposed.
为了减小正交频分复用系统受频率偏差的影响，在OFDM系统中设计了一种新的载波频偏估计算法。
To reduce the impact of carrier frequency offset in OFDM system, this thesis designs a new carrier frequency offset estimation scheme for OFDM system.
双包层光纤放大器输出功率高，可用于密集波分复用系统、光纤CATV系统以及空间光通信系统中。
High power double-clad fiber amplifier is suitable for WDM, fiber CATV system and space laser communication.
该器件在光纤通信领域中获得了极其广泛的应用，已经成为密集波分复用系统(DWDM)的关键器件之一。
AWG has been extensively applied in the optical fiber communication domain and become one of the key devices in the Dense Wavelengths Division Multiplexer (DWDM).
对于高速光时分复用系统来说，只有时延精度高，性能稳定的光时分复用器才能保障复用后高速信号的质量。
The time-delay accuracy and stability of the multiplexer have an important influence on the quality of multiplexed signals.
在计算强度噪声谱的基础上，研究了互相位调制和受激拉曼散射的相互耦合并用于密集波分复用系统的噪声分析。
Based on the calculation of intensity noise spectrum, comparative study of XPM and SRS induced crosstalk is performed analytically and numerically.
密集波分复用(DWDM)是光纤通信中的关键技术，而阵列波导光栅(awg)在波分复用系统中有着广泛的应用。
Dense wavelength division multiplexing (DWDM) is the key technology in optical fiber communication, and the arrayed waveguide gratings (AWG's) have wide applications in WDM systems.
对光纤水听器波分复用系统中串扰进行较为全面的分析，给出了波分复用器通道间隔离度与波分复用系统串扰的关系。
Crosstalks in WDM system of fiber-optic hydrophones were analyzed roundly, and the relation of isolation ratio between channels in multiplexers to crosstalks was pointed out.
对光纤水听器波分复用系统中串扰进行较为全面的分析，给出了波分复用器通道间隔离度与波分复用系统串扰的关系。
Crosstalks in WDM system of fiber-optic hydrophones were analyzed roundly, and the relation of isolation ratio between channels in multiplexers to crosstalks was pointed out.
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