光束传播的英文

• beam propagation

• "光束"英文翻译    light beam a surname
• "传播"英文翻译    disseminate; propagate; spre ...
• "光束传播法" 英文翻译 :    bpm
• "光束传播轨迹" 英文翻译 :    beam propagation path
• "光束传播误差" 英文翻译 :    light beam propagation error
• "光束传感器" 英文翻译 :    beam sensor
• "光束传输" 英文翻译 :    obt optical beam transmission
• "激光束传输" 英文翻译 :    laser beam transmission
• "约束传播" 英文翻译 :    constraint propagation
• "光束传输矩阵" 英文翻译 :    beam transformation matrix
• "光束" 英文翻译 :    light beam; light pencil; luminous flux; pencil; stricture
• "多束传输线" 英文翻译 :    multiwire transmission line
• "束传递函数" 英文翻译 :    bundle transfer function
• "传播" 英文翻译 :    1.(广泛散布) disseminate; propagate; spread; (over); diffuse; transmit; run 传播马克思列宁主义 propagate [disseminate] marxism-leninism; 传播知识 spread knowledge; 制止病菌传播 check the spread of germs; 动植物病害传播极快。 animal and vegetable pests propagate with extreme rapidity. 疟蚊传播疟疾。 anopheles mosquitos transmit malaria. 消息象野火般迅速传播开来。 the news spread like wild-fire. 印刷术的发明有助于知识的传播。 the invention of printing helped the diffusion of learning.2.[物理学] propagation; transmission; transmitting; travel 散射传播 scatter propagation; 直线传播 rectilinear propagation
• "右束传导阻滞" 英文翻译 :    rbbb
• "定向传输,波束传输" 英文翻译 :    beam transmission
• "光纤束传递函数" 英文翻译 :    fibre bundle transfer function
• "光纤束传送功能" 英文翻译 :    fbtf fiber bundle transfer function
• "心房-希氏束传导时间" 英文翻译 :    a-h conduction time
• "左房室束传导阻滞" 英文翻译 :    left bundle branch block
• "暗光束" 英文翻译 :    dark beam
• "单光束" 英文翻译 :    single beam
• "导光束" 英文翻译 :    endoscopic light guide bundles; light transmitting bundle
• "低光束" 英文翻译 :    low beam
• "分光束" 英文翻译 :    divided beams

• Then numerical algorithms are used to analyze integrated optical wave - guide and beam propagation method is a good method which is widely used
  于是出现了用数值分析方法来分析集成光波导。其中，光束传播法就是分析光波导器件的一种好方法。
• The simulation using the bi - directional beam propagation method proves that the demultiplexer can have very low insertion loss and high isolation ratio
  藉由双向光束传播法来仿真此组件，结果显示此解多任务器具有很低的插入损耗和高的隔离度。
• As for waveguide components such as awgs , beam propagation method ( bpm ) and transparent boundary condition ( tbc ) are powerful tools to do computer - aided modeling , giving direct results
  对于awg这样一种波导器件，采用光束传播算法( bpm )和透明边界条件( tbc )进行数值模拟，可以给出直观、清晰的结果。
• First , i made and improved some beam propagation method ( bpm ) programs , consisting of 2d ( eim - bpm ) and 3d bpm , with transparent boundary condition ( tbc ) and perfectly matched layer ( pml ) boundary condition respectively
  首先建立了光束传播法( bpm )的模拟平台，解决了边界问题。利用建立的三维bpm平台设计了渐变折射率波导的mmi耦合器。
• The effective index method is applied to simplify an awg structure from 3d to 2d . two simulation methods are presented in detail based on the gaussian beam propagation formula and the finite difference beam propagation method
  文中采用等效折射率方法把三维结构简化为二维结构，然后分别基于高斯光束的传播和有限差分光束传播方法( fd - bpm ) ，给出了两种对整个awg进行全局模拟的具体方法。
• First , we simply introduced the optical wave - guide theory : the fluctuation equations of planar wave - guide and the preparation of embranchment wave - guide . then based on maxwell equations and in the paraxial limit we deduced the formula needed in calculating fd - bpm . the refractive index section was n ( x , y )
  然后我们在maxwell方程的基础上，根据慢包络近似理论，在折射率截面为n ( x ， z )的条件下，利用有限差分近似来代替偏微分方程，推出了有限差分光束传播法计算所需要的公式。
• And this result is extended to the eigenfunction of maxwell ' s equations . then the mode series of step index planar dielectric waveguide and circular optical fiber are studied , including propagation modes and radiation modes . as application , there are three examples : the emergent wave from planar waveguide to free space , the transverse and longitudinal coupling of waveguide and the measurement of scalar gratings
  由于从一个空间到另外一个空间的光束传播伴随着界面上各个模式能量之间的耦合，作为应用，本文介绍了完备性在三个情况下的应用：平面波导出射光束的衍射性质、波导的横向和纵向耦合以及标量光栅的测试。
• Second , the mode fields of a strip waveguide and some slab waveguides have been simulated by applying finite - difference time - domain ( fdtd ) method . the curvature radius ; vicinity coupling ; transition loss and power attenuation of a s - shape bend waveguide have been analysed numerically by employing wide angle finite - difference beam propagation method ( fd - bpm ) , as well as the coupling loss of optical fiber and waveguide . in addition , the framework of the s - shape waveguide laser has been
  其次,应用时域有限差分法,结合波导模式理论对条形与平面波导进行了模场仿真;应用广角有限差分光束传播法,对s形弯曲波导的曲率半径、邻近耦合、过渡损耗、功率衰减以及波导与光纤的各种耦合损耗进行了数值分析,并在此基础上,对s形波导激光器的结构作了初步设计。