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1)  fluctuation of polarization mode dispersion
偏振模色散波动
2)  polarization mode dispersion
偏振模色散
1.
Fast crystal polarization mode dispersion emulator;
快速晶体型偏振模色散模拟器
2.
Analysis of the effect of polarization mode dispersion on QKD;
偏振模色散对量子密钥分发影响分析
3.
Influences of Polarization Mode Dispersion on Soliton Transmission Systems;
偏振模色散对光孤子传输系统的影响
3)  PMD
偏振模色散
1.
Practising Control Experience of Reducing PMD;
减小偏振模色散的施工控制措施
2.
The Polarization Mode Dispersion Compensation Based on PMD-induced Pulse Broadening Theory;
利用脉冲展宽理论研究偏振模色散的补偿技术
3.
Photonic-crystal-fiber-based dynamic PMD compensation;
基于光子晶体光纤的偏振模色散的动态补偿
4)  polarization mode dispersion(PMD)
偏振模色散
1.
On the basis of Poincaré sphere,the measurement of second order polarization mode dispersion(PMD) was analyzed theoretically.
在庞加莱球的基础上,对原来偏振模色散的测量方法进行了理论分析,研究表明,一阶偏振模色散测量的误差影响二阶偏振模色散的测量。
2.
The existing optical domain compensation methods for the Polarization Mode Dispersion(PMD) in fiber-optic transmissions are studied and compared.
针对光纤传输中的偏振模色散(PMD)问题,研究和比较了现有PMD的光域补偿方法。
3.
in Polarization Mode Dispersion(PMD) simulation,are analyzed.
介绍了蒙特-卡洛仿真原理,分析了改进型的蒙特-卡洛仿真即重要抽样(IS)的原理及其在通信中的应用,特别是在高速光纤通信的偏振模色散(PMD)仿真中的应用价值。
5)  polarization-mode dispersion
偏振模色散
1.
Study on polarization-mode dispersion compensation schemes
偏振模色散补偿方案研究
2.
Applying Monte Carlo method with importance sampling, the impact of polarization-mode dispersion (PMD) on the polarization-multiplexing (PM) transmission system with on-off keying (OOK) and differential phase shift keying (DPSK) is investigated.
采用重要抽样-蒙特卡罗方法,对OOK和DPSK调制的偏振复用(PM)传输系统受偏振模色散的影响进行了仿真,给出了不同占空比下系统的PMD容限。
3.
Using Jone′s and Stoke′s representations, an analytical expression of signal degree of polarization (DOP) relative to polarization-mode dispersion (PMD) for optical communication system is given, based on the principal state of polarization (PSP) theory and first-order assumption.
采用琼斯和斯托克斯表示,基于主偏振态理论和一级近似,给出了光通信系统的信号偏振度与偏振模色散的关系式。
6)  polarization mode dispersion (PMD)
偏振模色散
1.
Based on the Maxwell electromagnetic theory, nonlinear Schrodinger equation (NLSE), which described the propagation of femtosecond soliton pulses in fiber-optic, was induced in the presence of high-step dispersion, high-step nonlinearity, self-phase modulation, cross-phase modulation, self-steep, Roman scatter in pulse and polarization mode dispersion (PMD).
以Maxwell电磁场理论为基础,在综合考虑了高阶色散、高阶非线性、自相位调制、交叉相位调制、自变陡、脉冲内喇曼散射以及偏振模色散(PMD)等因素的基础上,推导了飞秒孤子脉冲在双折射光纤中传输的耦合非线性薛定谔方程(NLSE)。
2.
The effect of polarization mode dispersion (PMD) on the spectrum of received signal is theoretically analyzed and proved by experiment.
分析并通过实验验证了光纤通信系统中偏振模色散引起的脉冲展宽对接收信号频谱的影响 ,在此基础上提出了一种偏振模色散的补偿技术。
3.
The method of Poincare Sphere to measure the polarization mode dispersion (PMD) has been studied in the paper.
对基于邦加球的偏振模色散 (PMD)测量方法进行了充分的研究 ,利用输出偏振态的随机性 ,提出了一种比较简单而实用的算法 ,利用这种算法 ,对 11km单模光纤和 1 6 7m长保偏光纤进行了测量 ,实验证明这种算法具有很好的实用价值。
补充资料:凹模、凸凹模工作型面加工工艺过程
1)备料。 n
    2)锻造。锻成长方形的坯料(每件留长工艺夹头)。 n
    3)热处理。退火。   n
    4)铣(刨)削。铣(刨)削六面成长方形模块。 n
    5)磨削。磨削上、下两端面及相邻两侧面,用90。角尺测量相邻两面的垂直度。 n
    6)钳工加工。用平板和划线盘按图划线,并打样冲眼;用钻头钻螺纹底孔;用圆柱销孔的预孔;用钻头钻挡料销让位孔;用钻头在中心处钻穿丝孔等;正、反面孔口倒角;凸凹模用钻头孔扩,保证刃口高度;攻螺纹;铰孔。n
  7)铣削。平口钳装夹工件;用的立铣刀铣削型孔至尺寸,保证深度。 n
   8)热处理。凹模工件淬硬至HRC60~64,凸凹模工件淬硬至HRC58~62。 n
   9)平磨。磨上、下两端面及相邻两侧面,用90。角尺测量相邻两面的垂直度至图要求;退磁。 n
   10)线切割。按图编制线切割程序,切割模型孔成形,留单面研磨余量0.005 mm。 n
   11)钳工加工。研光线切割面: n
   12)检验。 n复合冲裁模的装配应选择凸凹模作为装配基准件,先装下模部分,后装上模部分
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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