pmfs
英
美
网络 保偏光纤分束器; 多甲氧基黄酮; 黄酮; 多甲氧基类黄酮; 甲氧基黄酮
双语例句
- Polarization maintaining fibers ( PMFs) can maintain the stabilization of polarizations through utilizing the characteristics of high-birefringence fibers to make two polarization modes in the fiber being difficult to produce coupling.
保偏光纤是利用高双折射光纤的特性，使两个偏振模在传输过程中不易耦合，维持偏振态的稳定。 - This dissertation concentrates on the study of PMFs from the following three aspects: the design of PMFs using optimization algorithm, the configuration design of PMFs and the application of PMFs in RoF systems.
本文从三个方面展开对微波光子滤波器的研究：优化算法的研究，结构设计研究，RoF系统中的应用研究。 - The numerical results show that the modal birefringence of near_rectangle core PCF is at least one order of magnitude higher than the conventional elliptical polarization_maintaining fibers ( PMFs).
研究表明：类矩形芯光子晶体光纤的模式双折射比普通椭圆保偏光纤至少高一个数量级。 - PMD Compensation Using Two Segments of PMFs
利用两段PMF的PMD补偿法 - Military outsourcing has promoted the growth of PMFs and war economy, providing more dynamics to future wars.
军事外包促进了私营军事企业的膨胀，催生了战争经济，也增加了战争的动力。 - A full vector model is used to analyze the polarization properties of three kinds of polarization maintaining fibers ( PMFs).
应用全矢量模型对3种保偏光纤&椭圆芯光纤、椭圆芯光子晶体光纤和六角芯光子晶体光纤的偏振特性进行了分析。 - Therefore, in this dissertation, a novel stator-flux orientation strategy based on vector control is proposed to regulate the PMFS generator output voltage with field strengthening or weakening.
由此，论文提出一种基于矢量控制的发电机输出电压控制系统，通过增磁或弱磁来实现电机电压的稳定输出。 - And, PMFS machine is reemerging as a PM brushless machine with doubly-salient structure, having both magnets and concentrated windings on the stator.
永磁开关磁链电机是一种双凸极结构的永磁无刷电机，定子上有集中绕组和永磁体，转子仅为凸极铁心。 - In the measurement of polarization coupling using white light interferometry, the birefringence in fiber is usually considered to be wavelength-independent, and the difference between two orthogonal eigenmodes of polarization maintaining fibers ( PMFs) is invariable.
在白光干涉法偏振耦合测试中，通常认为被测光纤的双折射与波长无关，保偏光纤两正交轴的传播常数差为一恒定值。 - In general, the PMFS machines have distinctive merits such as high power/ torque density, high flux-weakening capability and mechanical robustness.
整体而言，永磁开关磁链电机具有高功率／转矩密度、高弱磁扩速能力以及鲁棒性好等优势，特别适合高速运行。 - In practical measurement, however, the birefringence in PMFs is relative with optical wavelength, the chromatic dispersion coefficient are different in two orthogonal axes. Therefore, birefringence dispersion exists in PMFs.
但在实际中，保偏光纤的双折射是与波长有关的，其快慢轴的色度色散系数不相同，即在保偏光纤中存在双折射色散。 - On the other hand, thanks to the high flux-weakening capability, the PMFS machines are also quit suitable for wide speed-range generators.
另一方面，由于永磁开关磁链电机的高弱磁能力，此类电机也特别适合应用于宽转速范围的发电工况。 - In all, this instrument can measure polarization mode coupling, beat length, polarization excitation ratio, intermodal chromatic dispersion difference in PMFs and nano-displacement.
将该仪器开发成了一台能同时测量保偏光纤偏振耦合、拍长、偏振消光比、模间色度色散差和纳米级位移的多功能测试仪。