波導體 的英文怎麼說

中文拼音 [bōdǎotǐ]
波導體 英文
wave conductor
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 導 : 動詞1. （引導） lead; guide 2. （傳導） transmit; conduct 3. （開導） instruct; teach; give guidance to
  • 體 : 體構詞成分。
  1. The characteristics of various solid - state power - combining techniques and the principles of the waveguide - based power combining structure are compared and analyzed in detail. the power combiner is based on a double antipodal finline - to - microstrip transition structure. the proposed 2 2 combining structure is optimized by using 3 - d fields simulation tools cst

    主要內容為: 1 .研究和對比了各種固態功率合成技術的特點，詳細地分析了波導基空間功率合成器的工作原理，提出了一種基於雙對極鰭線-微帶過渡的2 2路毫米波功率合成器結構，藉助三維場模擬軟體cst對該無源網路進行了優化設計。
  2. This paper analyses the coupling wastage in columniform wave guide gas laser, and gives the function between the coupling wastage of laser guide modulo eh11 and the position and radius of reflector

    摘要分析了圓柱形波導氣體激光器中的耦合損耗，給出了最低階波導模eh11的耦合損耗與反射鏡位置、曲率半徑的函數關系。
  3. Propagation of electromagnetic wave along waveguide filled with inhomogeneous plasma

    電磁波在非均勻等離子體波導中的傳播
  4. In - phase wavelength conversion in semiconductor optical amplifier in critical lasing state

    基於半導體光放大器臨界激射狀態的同相波長轉換
  5. Compound medium wave - guide film on columned li - ferrites was made by magnetron sputtering system

    用磁控濺射的方法在圓柱鋰鐵氧體表面鍍覆了復合介質波導薄膜。
  6. A light emitting diode is used as optical source, which has single wavelength. pin photodiode is used as the photodetector

    光源選用了具有分立波長的半導體發光二極體，接收部分選用了pin光電二極體器件。
  7. Carries created by ultra - fast laser pulse accelerate in the field of the photoconductor and form a transient photocurrent. the shape of the photocurrent lies on the movement of the carriers, as well as the movement of the carrier ' s lies on the field in the photoconductor

    光電導體中的載流子在光電導體內的運動情況決定了所輸出電脈沖的波形，而載流子的運動是在光電導體內部電場的作用下進行的，所以光電導體內的電場對光電導開關的性能有顯著的影響。
  8. The first planar optical guides which utilized different material composition were liquidquartz sandwiches and epoxy-glass sandwiches.

    利用不同材料成分製成的最初的平面光波導就是液體-石英夾層結構和環氧樹脂-玻璃夾層結構。
  9. The results of the tests were that : current two metal layers wave - guide film on columned ferrites was replaced by multi - function gradual films which improved the influence of rheotaxis to some extent. so the wave - guide films of ferrites were good to meet to the micro - wave conduction and driving consumption

    主要結果如下：用多層梯度功能膜代替了現有的雙層鐵氧體金屬波導薄膜，在一定程度上改善了趨肽效應的影響，使得鐵氧體波導薄膜在微波傳輸和驅動功耗上達到比較好的結果。
  10. Two kinds of filters are presented : by transferring the conventional waveguide cavity filter to the siw, a narrow bandstop filter is designed and simulated, get characteristic of narrow - band bandstop filtering. for example, relative bandwidth 1. 2 %, most attenuation of 48db in band. electromagnetic bandgap ( ebg ) structures present “ forbidden band ” characteristics, siw features high - pass characteristics, so bandpass filters can be composed by combing ebg and siw

    本論文提出了兩種基片集成波導濾波器結構:將傳統的腔體濾波器概念運用於基片集成波導結構，設計出了一種窄帶帶阻濾波器，對其進行模擬，得到了窄帶帶阻濾波特性，如相對帶寬為1 . 2 % ，最大衰減為48db 。
  11. The computational method of integration for solid angle on cross section of the elliptic waveguide

    橢圓形波導管中對空間立體角積分的計算方法
  12. A new laser source of optical communication, erbium - ytterbium codoped phosphate glass waveguide laser that was provided with more prominent performance than semiconductor distribution feedback ( dfb ) laser, has been investigated globally from 1990s. the laser can meet many rigorous demands of wdm systems. the 1. 54 m laser emitted by the laser accords with the interrelated standard of international telecommunications union ( itu ), therefore, a splendent foreground can be predicted about this kind of laser in future optical communication

    基於鉺、鐿摻雜磷酸鹽玻璃基片的光波導激光器是一種新型通信光源，具有傳統的分佈反饋半導體激光器所不能比擬的優點，能滿足波分復用/密集波分復用技術對光源提出的諸多高新要求，所發射的1 . 54 m激光符合國際電信聯盟規范，在未來光通信中有著廣闊的發展前景。
  13. For the negative uniaxial crystal material, the principal mode is a hybrid guided mode, which can also be excited by the light at any frequency, but when the single mode propagation condition can not be satisfied, some of the higher order hybrid guided modes will exist in the waveguide

    對于負單軸晶體，波導的主模是混合模hgm _ 0模，該模式同樣可被任何頻率的光波所激勵；當光波波長滿足一定條件時，波導內傳輸單模，否則，將激勵起高階混合模。
  14. The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes

    本文就是在此背景下，利用金屬波導和單軸晶體的一些特性，結合麥克斯韋方程組和波導的邊界條件，從三種不同的情況研究了光在對稱平面單軸晶體金屬波導（波導層是單軸晶體，兩個波導界面均為金屬）內的傳輸特性，其主要貢獻為，首次解析地得到了這種波導結構下模式場的精確解，並發現了一些有用的特性： （ 1 ）模式場的性質因單軸晶體的性質不同而異； （ 2 ）當單軸晶體光軸位於波導界面法方向與傳輸方向構成的平面內時，波導中傳輸te波和tm波，只不過其主模因單軸晶體的性質不同而異，當波導層介質為負單軸晶體時，波導主模是te波主模，而波導層介質為正單軸晶體時波導主模是tm波主模。 （ 3 ）當單軸晶體光軸位於波導面內時，對于正單軸晶體，波導的主模是橫電波te _ 0模，任何頻率的光波均可激勵該模式；當光波波長滿足一定條件時，波導內傳輸單模，否則，將激勵起高階模式，高階模即匪te波，也匪tm波，而是兩者耦合而成的混合模。
  15. The propagation characteristics of msfvws in a double - layered yig waveguide

    波導中靜磁體波的傳播特性
  16. For phonetic signal modulation, if the pass band range of the band pass filter ( bpf ) is 300hz - 3400hz, the anti - noise properties of laser are approximately independent of bias current and parameters of the cavity ; when the pass band range of bpf increases to a certain degree, modulating bias current and parameters of the cavity can improve the anti - noise properties of laser

    對語音調制情況，如帶通濾波器的通帶范圍取為300hz - 3400hz ，則激光器的抗噪聲性能基本不依賴于偏置電流和腔內參數；當帶通濾波器的通帶范圍增大到一定程度，調整偏置電流和腔內參數可以實現半導體激光器的高抗噪聲性能。
  17. The light guiding unit on the surface is composed of sub - micron gratings whose transmission wavelengths are red, green and blue in order. the light source are red 、 green 、 blue led or semiconductor laser array. to enhance the light utilization, the surfaces of light guide plate except the incident and transmitted surfaces are coated with metallic film

    本文設計的亞微米光柵型導光板為矩形狀的，導光板上表面的導光單元是由三套出射光主波長分別是紅光632 . 8nm ，綠光521nm ，藍光441 . 6nm的亞微米光柵組成，光源採用的是紅、綠、藍三色發光二級管或者半導體激光器陣列，為了提高光能利用率，除入光面和出光面外，導光板其餘面都鍍上金屬膜。
  18. This sensor in this paper is based on the characteristic absorption spectrum of acetylene to detect acetylene content and utilizes the optical waveguide all through the process, so it has the intrinsic anti - explosion function, fast response time and good repeatability

    本文研製的吸收型光纖乙炔傳感器是利用乙炔氣體的特徵吸收峰來在線檢測乙炔氣體的含量的，且整個過程利用的是光波導，因此它有本質防爆功能。在檢測乙炔時該傳感器響應快、重復性好。
  19. The trained neural network model can be used to solve a variety of problems emerged in rf / microwave circuit design, such as in microwave circuit cad, the established model structure can be used to characterize the nonlinear behavior of microwave circuits

    如用於微波電路cad ，可用所建立的模型結構來描述這么一類微波電路的非線性行為特徵；如用於微波電路設計，則可進行如共面波導、晶體管、傳輸線、濾波器和放大器等的設計；如用於微波電路優化，則可用所建立的電路模型優化電路參數，進行阻抗匹配等。
  20. In the end, the impedance matrix of any three - dimensional conducting object can be portioned into sub - matrices by the projection iterative method ( pim ), the surface current and rcs can be calculated with convergent iterations, the wide - band electromagnetic scattering characteristics of three - dimensional conducting objects are also analyzed with the asymptotic waveform evaluation technique

    最後應用投影迭代方法（ pim ）將三維導體目標的阻抗矩陣剖分成小矩陣，通過迭代計算出表面電流和雷達散射截面，並與漸近波形估計技術結合分析了三維導體目標的寬帶電磁散射特性。
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