波導耦合器 的英文怎麼說

中文拼音 [dǎoǒu]
波導耦合器 英文
waveguide coupler
  • : 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...
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • : Ⅰ動詞[書面語] (兩人並耕) plough side by sideⅡ名詞1 (古農具名) plough2 [書面語] (兩人一組) a...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 波導 : [物理學] (用在微波波段傳輸電磁波的裝置) waveguide; duct
  • 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
  1. The basic concept of siw is that it use the top and bottom layers of metal together with two row of vias is very small compared with wavelength, the dissipation loss of radiation is very small. it acts like a rectangular waveguide filled with some dielectrics, so components which can be composed by rectangular waveguide can also composed by siw such as antenna, filter, power divider, coupler, resonator

    基片集成的基本概念是利用基片的上下金屬板和兩排間隔一定距離的金屬孔構成的金屬壁,由於每排金屬孔孔間距遠小於長,因此由縫隙泄漏的能量很小,這相當于內部填充了介質的矩形,所以能夠用矩形普通實現的結構也都可以用基片集成來實現,比如功分、濾、天線、、振蕩等。
  2. 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

    與普通矩形相比,脊具有工作頻帶寬、尺寸小、等效特性阻抗低等特點。由於脊本身的特點,使其得到了越來越多的應用,例如寬帶脊、寬帶定向、雙工、變頻、移相、脊縫隙天線陣等等。
  3. The numerical and experimental results of this y - branch structure indicate that the proposed y - branch structure, without extra fabrication technologies, has a lower excess loss as compared with the conventional ones. optimal designs of the structural parameters for the multimode interference coupler are carried out. low loss and high uniformity of the multimode interference couplers are achieved when the waveguide is weakly guiding

    研究了y分支中分支頂端間距(為工藝製作方便)帶來的附加損耗,提出了低損耗新型y分支結構,並給出了相關結構參數的優化設計方法,我們的理論計算和實驗測試結果均表明,該新型結構可以在常規光製作工藝下提高件的指標。
  4. Thus the field patterns can help us to design devices especially design cpw directional couplers

    因此場結構有助於件的設計,特別是對于共面定向的設計。
  5. Based on local coupling mode theory of graded index optic fiber wave guide, the variation regularity of coupling output light has been deduced when sound wave acts on single mode optic fiber coupler. and a new idea has been proposed that a novel sensor can be applied on detection of acoustic / vibration. the sensing element of sensor is the melting area of single mode coupler in which the feasibility of the new - type optic fiber sensor has been proved in experiment

    本文從緩變光纖的局部模理論出發,推出了單模光纖分光在聲作用下的變化規律,提出了以單模光纖的熔融區為傳感元件的傳感在聲振動信號檢測中應用的新思想,並實驗論證了這種新型光纖傳感應用於實際的可行性。
  6. 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

    摘要基於空間暗光孤子誘的模式特性以及光理論,提出了一種實現光控可變定向的方法。
  7. In the case of thin slot, taking the effect of wall thickness into account, the coupler is analyzed with the slots replaced by equivalence magnetic current using the equivalence principle. the integral equation system is fonned and calculated by the moment method

    對于細長縫隙的情況,考慮了壁厚,利用等效原理將縫隙等效為磁流源在主中的作用,根據電磁場連續性條件建立積分方程,並用矩量法求解,進而求出的散射參數。
  8. Performance analysis of planar curved waveguide coupler

    平面彎曲波導耦合器的特性分析
  9. Computer simulation to switching characteristics of nonlinear wave - guide couplers

    非線性波導耦合器開關特性的計算機模擬
  10. Based on the characteristics of hollow wave guide for co2 laser delivery, a cone - shaped wave guide coupler system was designed and fabricated in this work

    摘要針對co2激光傳輸用空芯的特點,設計、制備了錐形空芯波導耦合器系統。
  11. Delivery performance test shows that this wave guide coupler system may help much in improving the transmitting property of co2 laser hollow wave guide

    對此系統的傳輸性能測試表明,使用該錐形空芯波導耦合器能夠顯著提高空芯的激光傳輸性能。
  12. A analysis of these effect to the pattern is presented. in the mean time, the method of correcting the phase errors is given by shortening or lengthening the section of sinuous feed line between couplers from the normal value. 6. the reflection characteristic of a serpentine is analyzed where the coupler is replaced by the equivalent of two ports loss network

    提出了用有耗二埠網路來等效波導耦合器的方法,對由、饋電彎頭級聯的慢線系統的駐特性進行了分析計算,針對慢線在設計測射頻率上大反射問題,討論了多種解決辦法。
  13. In this paper, some investigation and design as following. have been carried out on er - yb codoped phosphate glass waveguide laser first, three primary performance parameters of er - yb waveguide laser pump threshold power ; output power and slope efficiency have been commulated and analysed theoretically based on er ~ ( 3 + ) - yb ~ ( 3 + ) energy configuration ; rate equation of stable state and transmitting equation. the influences of er - yb ions concentration ; enabled waveguide length ; light dot radius of signal light and pump light ; reflectivity of output lens on three above parameters have been researched

    首先,從er ~ ( 3 + ) - yb ~ ( 3 + )能級結構出發,結激光穩態速率方程與傳輸方程,對鉺鐿激光的三個主要性能參數:閾值功率、輸出功率、斜率效率作了理論計算分析,並研究了鉺、鐿離子濃度、光激活長度、信號光與泵浦光光斑半徑比例、輸出鏡反射率對這三個關鍵性能參數的影響。
  14. A optimized design of the bend is made using the high frequency simulation software. 5. the coupler and the bend cause a phase change in the wave transmitted past the coupler in the sinuous feed and also a phase change in the coupled po ~ ver

    分析計算了彎頭引入相位誤差對天線性能的影響,在此基礎上,採用對各個之間長度調節的方法,對陣面相位分佈進行補償。
  15. The author ? major contributions are as follows. 1. with the performance requirement ( the pattern of the antenna, the rang of scanning angle, the maximal sidelcbe level and the beam ~ vidth ) givcn, a method is presented to determine the basic parameters of a serpentine feed, which includes the distance and ~ vaveguide length bet ~ veeii t ~ vo couplers, the size of the arrays and the number of components

    根據天線的工作頻帶、掃描范圍、副瓣電平、半功率寬度等技術指標要求,給出了確定線基本結構尺寸的計算公式,即對相鄰單元之間的空間距離、之間的饋線長度、陣列的大小和單元數的計算。
  16. 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

    首先建立了光束傳播法( bpm )的模擬平臺,解決了邊界問題。利用建立的三維bpm平臺設計了漸變折射率的mmi
  17. On the basis of the deep study of the current studying situation of multi - wavelength fiber lasers and its tendency of development, we make clear the significance of the study of multi - wavelength fiber lasers and propose a novel multi - wavelength erbium - doped fiber ring laser at room temperature. in this thesis, firstly, with the rate equation theory, we use analytical methods to deduce the relationships of the lasing wavelength and output power vs erbium - doped fiber length, coupler ratio and intracavity losses. the experimental results show a good agreement with the calculated values

    本文首先從速率方程理論出發,利用解析的方法推出摻鉺光纖激光輸出特性參數與摻鉺光纖和參數之間的定量關系, (如,激光輸出功率、長與摻鉺光纖的長度、摻雜濃度、比及腔的損耗等參數之間的關系) ;並從實驗上加以分析討論,實驗結論與理論值相吻;利用改變比獲得了幾個nm的長調諧。
  18. 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,應用時域有限差分法,結模式理論對條形與平面進行了模場模擬;應用廣角有限差分光束傳播法,對s形彎曲的曲率半徑、鄰近、過渡損耗、功率衰減以及與光纖的各種損耗進行了數值分析,並在此基礎上,對s形激光的結構作了初步設計。
  19. 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

    實際的設計過程中,考慮到定向輸入和輸出部分的影響,圍繞模理論計算結果手動調節區長度,並應用三維bpm來模擬設計,得到區長度,設計了精確的3db定向
  20. As far as input coupling devices concerned, we design a feasible taper coupler by means of the theory of waveguide coupling and outside cavity waveguide laser and make decision of the sizes of the lens and the taper coupler, and the relative distance of them. the focus of the lens is 65mm and the radius is 5mm. the length of the taper coupler is 15mm, and the radiuses of the input and output ends separately are 17mm and 0. 65mm

    在輸入方面,藉助于和外腔式激光的相關理論,設計了工藝上可行的錐型,確定了透鏡、的尺寸以及與透鏡的相對位置:透鏡的焦距為65mm ,直徑為srnm ,的長度為15mm ,輸入端直徑為17mm ,輸出端直徑為0
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