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定向耦合器 in a sentence

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  • Detail specification for directional couplers for 3cm aluminium waveguide
    3cm铝波导定向耦合器详细规范
  • Coaxial variable direction coupler
    同轴可变定向耦合器
  • Coaxial directional coupler
    同轴式定向耦合器
  • Partially spatially incoherent photovoltaic dark spatial soliton and directional coupler
    部分空间非相干光光生伏打暗空间孤子及其定向耦合器
  • Thus the field patterns can help us to design devices especially design cpw directional couplers
    因此场结构有助于器件的设计,特别是对于共面波导定向耦合器的设计。
  • Popular designing way of cad is explored . the effect of photonic crystal on the performance to coupler is simulated
    分析了光子晶体结构对三段对称定向耦合器性能的影响。
  • Due to excellent stop band and slow wave characteristics , they are applied to filters , resonators , directional couplers , diplexers and antennas
    由于其优良的带阻、慢波等特性,它们被广泛地应用于滤波器、谐振器、定向耦合器、双工器和天线中。
  • In this thesis , optical couplers consisting of multimode interference ( mm ! ) coupler , y branch , directional coupler ( dc ) and mach zehnder interferometer ( mzi ) were analyzed and simulated
    本论文对各种平面波导型耦合器: mmi 、分支波导、定向耦合器和mach - zehnder进行了模拟和优化设计。
  • The designs and realizations of the representative radio frequency modules , such as power attenuator , directional coupler , filter , small signal amplifier and oscillator , were emphasized
    重点分析了典型射频模块电路(如:功率衰减器、定向耦合器、滤波器、小信号放大器和振荡器)的设计和实现。
  • In the paper , some factors are studied such as ratio of soliton and signal wavelength , linear refractive - index of media and coupling length which have influence on the performance of the steerable all - optical directional coupler
    研究了孤子波和信号光波长之比、器件长度及介质的线性折射率对光控可变定向耦合器性能的影响。
  • 定向耦合器造句挺难的,這是一个万能造句的方法
  • In this thesis , the basic theory of the passive microwave device has been analyzed . then novel characters are explored and investigated . i design two couplers and a splitter according to the engineering
    2 .详细分析了带状线定向耦合器的原理,工程设计方法,并用cad设计软件ads来设计制作了三段对称与两段非对称的带状线耦合器。
  • Based on the guidemode characters of dark spatial soliton waveguides and the theory of coupling between two waveguides , a kind of steerable all - optical directional coupler using dark spatial soliton waveguides is suggested
    摘要基于空间暗光孤子诱导波导的模式特性以及光波在波导间耦合理论,提出了一种实现光控可变定向耦合器的方法。
  • A wide range of the branching ratio can also be achieved for the asymmetric case . using supermode theory , i compared the design results of directional coupler by means of 2d mode and 3d mode and designed 3db directional coupler using 3d bpm and couple mode theory
    实际的设计过程中,考虑到定向耦合器输入波导和输出波导部分的耦合影响,围绕耦合模理论计算结果手动调节耦合区长度,并应用三维bpm来模拟设计,得到耦合区长度,设计了精确的3db定向耦合器。
  • The device is a synthetical applicating example of phase modulator , intensity modulator and directional coupler theory . the characters and fabricating process of linbo _ 3 optical waveguide , electrodes design principle , the influence of sio _ 2 dielectric buffer layer on the performance of the device and design principle of tapped power ( ratio ) are analyzed
    该器件是相位调制、强度调制和定向耦合器理论综合应用的典型,文章从理论上分析了linbo _ 3光波导的特点、制作工艺、电极设计原理、 sio _ 2介质缓冲层对器件性能的影响和抽头功率的设计原理等。
  • In order to design wavelength insensitive power splitter based on soi , the wavelength characteristic of mach - zehnder interferometer were investigated by means of bpm and fdm ( finite - difference method ) . then the parameters of mach - zehnder interferometer were optimum designed using genetic algorithm . besides , genetic algorithm is also used to optimize the upper tier parameters of mzi based silica - on - silicon to attain a flat spectral response
    为了设计对波长不敏感的soi材料的mz功分器,利用束传播法( bpm )和有限差分模式解方法( fdm )对mach - zehnder结构的组成部分定向耦合器和相位延迟部分做了波长相关特性的计算,然后通过遗传算法优化设计了mach - zehnder的结构参数。
  • Compare to the normal rectangular waveguide , ridge waveguide has the character of broader bandwidth , smaller dimension , lower equivalent characteristic impedance , etc . because of these merits , it is used more and more widely , such as broadband ridge waveguide filter , broadband direct coupler , diplexer , frequency converter , phase shifter , ridge waveguide slot antenna array , and so on
    与普通矩形波导相比,脊波导具有工作频带宽、尺寸小、等效特性阻抗低等特点。由于脊波导本身的特点,使其得到了越来越多的应用,例如宽带脊波导滤波器、宽带定向耦合器、双工器、变频器、移相器、脊波导缝隙天线阵等等。
  • In the design of optical system , to improve system precision , the fiber optic coupler is added to make a laser pulse circle ; in the unit of photo detection , we make a high - precision temperature compensation apd bias circuit , which allows system to abate the noise caused by temperature changer and dark current
    应变测量系统主要由光源、传感光纤、光电探测器和信号处理电路组成。在光学系统设计中为提高系统的精度采用了光纤定向耦合器实现光脉冲的循环;在光电转换单元上采用高精度温度补偿的apd偏置电路,减小了温度和暗电流带来的噪声干扰。
  • Nonlinear directional coupler ( nldc ) is a switch used in optical network . w . s . man had studied transmission controlling with ground state soliton through nldc , it is obviously not available to used in superhigh speed network ; and mary j . potasek had studied the self - coupling with ultrashort solitons in nldc , self - coupling is difficult to control the signal transmitting . i has studied the transmission controlling with ultrashort solitons ( < 100fs ) in nldc , similarly i use a controlling pulse to control the signal pulse , it is the intensity of controlling pulse to decide the signal change its direction or not
    非线性定向耦合器( nldc )是用在光网络中的光开关器件,它主要用在全光网络中, w . s . man等研究过基态孤子在nldc中的传输控制,便于对全光网络中数据的正确传输,由于目前研究集中在100fs的超短脉冲传输特性上,显然基态孤子的特点不再适用于超高速网络; maryj . potasek等就超短脉冲在nldc中的自耦合做了研究,在光网络中自耦合任意性太大,不利于控制脉冲的传输。
  • The wavelength dependence of the directional couplers is modeled and with this model optimal designs of planar wavelength circuits based on mach - zehnder interferometers and their cascaded forms are presented . liquid crystals are widely used in optical information processing technologies . optical devices based on liquid crystals , such as variable optical attenuators ( voas ) , switches and tunable filters , have been introduced into the area of optical communications recently
    在基于级联mach - zehnder干涉仪的宽带器件设计中,本论文建立了定向耦合器波长敏感性的近似模型,并在此基础上提出了通过对初始结构(即不考虑定向耦合器波长敏感性的设计结果)做微扰来确定宽带器件结构参数的设计方法。
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