散射導納 的英文怎麼說

中文拼音 [sǎnshèdǎonà]
散射導納 英文
scatter admittance
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 導 : 動詞1. （引導） lead; guide 2. （傳導） transmit; conduct 3. （開導） instruct; teach; give guidance to
  • 納 : Ⅰ動詞1 （收進來; 放進來） receive; admit 2 （接受） accept; take in 3 （享受） enjoy; take deligh...
  • 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
  1. Based on all the research works mentioned above, a new technique to compute the caliber admittance matrix has been derived and applied for the problem of the scattering by electrically body with opening cavities

    在計算實例中，不同形狀的的腔體以及內部含有介質層的腔體對電磁散射的貢獻得到了比較和分析。在上述研究的基礎上，本文首次提出了用有限元方法計算腔體內部口徑導納矩陣。
  2. The dissertation has been divided into three part : the method of scalar fem for calculating the scattering and coupling character of 2d cavities ; the high efficient algorithm of vector fem for the scattering and coupling character of 3d cavities ; the method of calculate caliber admittance matrix for high efficient algorithm to compute the scattering and coupling character body with open cavities

    全文分別研究標量有限元邊界積分求解二維腔體電磁散射與耦合的計算方法，矢量有限元邊界積分求解三維腔體電磁散射與耦合的計算方法，同時針對含腔目標的高效求解問題提出了口徑導納矩陣的新的計算方法，提高了計算效率。
  3. The method gives design equations by the reciprocity theorem and the equivalent circuits of slot, based on the single - slot admittance and slot - scatter theory, including both external and internal mutual coupling between slots

    該方法以孤立縫導納為理論基礎，從縫隙散射理論出發，利用互易原理以及縫隙和其等效電路的關系來推導設計方程。
  4. We studied the multimode coupling matrix of the key waveguide discontinuity, waveguide step, with the modal fields expansions in waveguides. and obtained the relations with the multimode coupling matrix, the generalized admittance matrices and the generalized scattering matrices. we have compiled some subroutines in fortran 95 programming language to compute the multimode coupling matrix, admittance matrices, scattering matrices and their operates with each other

    並利用fortran95程序設計語言編寫了用來計算波導階梯的多模耦合矩陣、多模耦合矩陣與廣義導納矩陣的級聯、廣義導納矩陣之間的級聯以及廣義導納矩陣和廣義散射矩陣之間的互相換算等的矩形波導平面不連續性模式分析的子程序。
  5. Type plane wave incidence and the input admittance of cylindrical monopole antenna, it is testified that the proposed method is more accurate than the conventional square contour integration method

    型平面波的散射電流以及單極細圓柱形天線的輸入導納，對所提出的方法作了驗證，證明了該方法比常用的矩形積分迴路法對細導線上電流的模擬要精確得多。
  6. Surface - enhanced raman scattering of organic monolayers on flat ag, au, and pt substrates induced by ag nanoparticles

    金和鉑基底上銀納米粒子誘導的單層有機分子的表面增強拉曼散射
  7. We use the laser output ( 320 nm, 200 fs ) of optical parametric amplifier ( opa ) in < wp = 5 > an active passive mode - locked femtosecond ti - sapphire laser operating at a repetition rate of 1khz as a exciting resource to develop optically pumped stimulated emission of zno thin films. when rectangular stripe laser irradiates thin films, optical resonant cavity is naturally formed between two nanocrystallites along with the rectangular laser stripe and planar weveguide confines the light scattering

    利用飛秒激光器作為光泵浦激發光源，研究了氧化鋅薄膜的光泵浦受激發射，當條形光斑輻照薄膜樣品時，將沿著光斑條由氧化鋅納米晶面自然地形成光學諧振腔，由於平面介質波導結構限制光散射，所以成功地觀測到二氧化硅襯底上的納米氧化鋅（ zno ）薄膜的紫外受激發射。
  8. This part emphasizes the synthesis of nanoarrays, aiming at controlling the size and distance of nanocrystallites using calixarene derivatives by altering the size, length and chemical structure of the organic molecules ; 2. this part emphasizes in situ synthesis strategy for fabrication of polymer network of zns based nanopowder, aiming at size controls, coating and preventing agglomeration following " one - pot " synthesis ; this method fits to low cost, large scale production ; 3. according to development in zno nanomaterials, we first report on the synthesis, characterization of amorphous zno, aiming at describing the principles and approaches of synthesis techniques, optical properties, spatial structure and doped effect ; the amorphous zno displays cage - like structure, showing a strong ultraviolet emission while the visible emission is nearly fully quenched, a potential uv - emission material ; 4

    本論文以量子結構自組裝為出發點，提出利用杯芳烴及其衍生物的化學受限反應實現尺寸可調半導體納米粒子自組裝；提出有機聚合網路原位組裝zns基納米熒光粉方法，把熒光粉的納米化、包敷、防團聚在「一鍋」反應中完成，適于低成本，批量生產；根據當前zno的研究情況，我們首次合成了非晶zno ，研究了它的光學性質，確定了它的結構，並對其摻雜進行了初步的研究，非晶zno表現出強的深紫外發光特性，而可見發射非常弱，是一種有巨大潛在應用價值的深紫外發光材料；利用非晶zno的亞穩特性，對晶化過程中非晶zno納米晶zno三維受限量子結構特性，界面特性進行了深入的研究；利用固相熱分解一般受擴散控制特性，實現了尺寸可控的zno三維量子結構的自組裝；利用非晶zno的高度分散性，容易均勻成膜特性，實現了非晶籽晶誘導低溫液相外延自組裝生長高取向zno晶體薄膜。
  9. This dissertation brings forward a new method of modeling and simulation on interconnect ? fem - vfm, which combines finite element method with vector fitting method. we can get the scatter / admittance / impedance ( s / y / z ) parameter by fem in frequence domain, gain the equivalent spice circuits of interconnect structure by vfm, and extract the circuit ’ s parameters which are used to analyze in time domain. this method lets the simulation not only contain the information of pcb ’ s structure but also have a sustainable computing speed

    首先通過電磁場數值分析方法?有限元法（ fem ）對互連結構進行模擬分析，而得到的散射/導納/阻抗矩陣參數（ s / y / z矩陣參數） ，然後通過矢量擬合方法（ vfm ）把s / y / z矩陣參數轉化為等效spice等效電路模型，並且提取出電路參數，完成了頻域到時域的轉換，最後使用電路模擬器進行時域模擬，從而開發出了一系列高速數字pcb板設計規則。
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