腔體耦合 的英文怎麼說

中文拼音 [qiāngǒu]
腔體耦合 英文
cavity coupling
  • : 名詞1. (動物體內空的部分) cavity; chamber 2. (話) speech 3. (樂曲的調子) tune; pitch 4. (說話的腔調) accent; tone
  • : 體構詞成分。
  • : 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)
  • 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
  1. Simulation of klystron cavity using mafia

    模擬慢波結構的冷測特性
  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電磁散射與的計算方法,矢量有限元邊界積分求解三維電磁散射與的計算方法,同時針對含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. A convergence acceleration technique, boundary element method ( bem ), spectrum of two - dimension solutions ( s2ds ) method are used separately in solving dyadic green function of the three domain. next, waveguide narrow - wall slots array ' s is introduced in this paper

    對外部空間,與縫隙區域一樣認為場量與z無關,對所有場量做z方向的fourier變換,得到譜域上的一系列去的二維方程。
  4. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦方式下,振蕩光模尺寸、最佳輸出率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡小功率ld泵浦nd : yag激光器和透鏡組高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  5. Study on characteristics of coupled cavity chain filled with plasma

    等離子填充鏈特性研究
  6. The relative theory basis of thermal calculation was shown. then the details of simulating the thermal characteristic of twt slow - wave structure with ansys were given

    文中給出了熱特性計算的相關理論基礎,並介紹了應用ansys模擬慢波結構熱特性的具方法和步驟。
  7. This thesis built the model of micropump, the deformation of the micropump membrane and the volume change of the micropump chamber under piezoelectric - drive were simulated by finite element method ( fem ). the effects of the membrane thickness, shape and piezoelectric voltage on the volume change of membrane were analyzed. the relation between intrinsic frequency and membrane thickness was also discussed

    建立了微泵膜片的有限元模型,採用直接法模擬分析了微泵膜片在壓電驅動下產生的形變和由此引起的微泵積的變化,得出了膜片厚度、形狀、和壓電驅動電壓對微泵積變化的影響。
  8. Because of its own feature of the structure, ellipsoidal cavity has coupling microwave generated from one of the ellipsoidal center, and plasmas generated from the other ellipsoidal centre, so the plasmas is very centralize, so we can enlarge the area of disposition

    橢球諧振因其結構的特點,可以滿足大功率的需求,並且微波從橢球的一個球心發出,在橢球的另一個球心產生等離子,等離子比較集中,而且沉積速度快,適大面積的沉積。
  9. The position and conductivity of internal metal block have little influence on the coupling of microwave into the slot of the cavity. 4

    內置金屬塊的位置變化及內置金屬塊電導率變化對微波與帶縫腔體耦合的影響很小。
  10. With the fdtd method to solve the maxwell equations, with the finite - volume method to solve the n - s equations and with the single temperature local thermal equilibrium to solve plasma, first time to adopt the method of all numerical simulation, the coupling flow field of microwave plasma within resonant cavity of mpt was analyzed. for tm011 model and tem model, the matching relation between various parameters and its influence on the coupling flow field of microwave plasma within resonant cavity of mpt was studied separately. the reasonable selection of miniaturization design parameters was pointed out in the numerical simulation to be used in mpt miniaturization, i. e. throat, gas flux and microwave power should be smaller suitable after miniaturization

    採用fdtd法求解maxwell方程、有限積法求解n - s方程、單溫度局域熱平衡模型求解等離子參數,首次用全數值方法對mpt諧振進行了微波等離子流場的數值模擬,分別分析了tm _ ( 011 )和tem兩種模式各自的參數匹配關系及其對微波等離子流場的影響;應用於小型化mpt時,指出了小型化設計參數的理選取,即:小型化后的mpt ,喉徑小、工質流量小,消耗的微波功率也小。
  11. The high efficient algorithm base on finite - element for the character of body with open cavities " scattering and coupling has been studied in this dissertation

    本文主要研究了用有限元方法分析計算目標和含目標的的電磁散射和縫隙特性的高效演算法。
  12. This thesis describes some work on improving the performance of lasers, which i have carried out during the past three years. follows are the main points : 1. both littrow and littman set - up of 800nm - band external - cavity diode laser systems are studied

    本論文本著追蹤發展、面向應用、有所創新的原則,在改善激光器性能方面做了一些工作,主要包括: ( 1 )對800nm波段littrow和littman結構的弱可調諧外半導激光器進行了實驗研究。
  13. We study the nonlinear plasma filled cerenkov maser and linear plasma f illed coupled cavity chain. the principal conclusions of this dissertation are given below : 1. we study the nonlinear plasma grating filled dielectric cerenkov maser oscillator cavity for the first time

    我們對非線性等離子柵填充的介質cerenkov脈塞和線性等離子填充的鏈進行了研究,主要的研究成果和結論有:一、首次研究了非線性等離子柵填充的介質cerenkov脈塞振蕩器。
  14. In this paper, a three - dimensional ( 3d ) program for the three - dimensional reactive flow fields of complicated geometric nozzle, which governed by the compressible full navier - stokes equations with realizable k - s turbulent model, has been upbuilt by using full implicit couple arithmetic and fvm ( finite volume method ) based on understanding and assimilation of a two - dimensional program group of cr ( chamber - radon ). the new program fulfils the urgent need of numerical tools for simulating three - dimensional reactive flow - fields of hylte ( hypersonic low temperature ) and other latest nozzles, for which cr is out of action in simulation, and can be applied to simulate other chemical laser system, such as chemical oxygen iodine laser ( coil ), overtone fluoride hydrogen, all - gas iodine laser, and so on. furthermore, some related topics about nozzles design and engineer ing also have been discussed

    本文在二維cr ( chamber ? radon )程序研究的基礎上,採用有限積方法和完全隱式的演算法,通過求解帶realizablek -兩方程湍流模型的多組分、有反應的三維完全納維埃?斯托克斯( n ? s )控制方程,建立了一套能夠對復雜形狀的三維噴管和光進行數值模擬的三維程序,解決了連續波df hf化學激光器增益發生器設計缺乏三維數值模擬工具的問題,並用該工具解決了cr程序無法實現的hylte等復雜三維噴管流場的理論模擬問題。
  15. So a new kind of microwave cavity - mode strongly coupling double gap cavity, which has higher characteristic impedance, smaller volume and fits in with lower frequency band multi - beam klystrons, is proposed

    並提出了一類新型的、具有較高特性阻抗和較小積的低頻率波段多注速調管輸出?模強雙間隙微波諧振
  16. The synthesis and design of the conventional filters ( butterworth, chebshev, cauer ) ; further more, waveguide multiplexer and the general chebshev filters with transmission zeros were introduced. multipath coupling equivalent circuit are constructed and the relative phase shifts of multiple paths are observed to produce the known responses of the cascaded triplet and quadruplet sections

    給出了傳統濾波器的基本理論和設計方法,繼而介紹了波導多工器和廣義切比雪夫濾波器的綜理論;分析了相位關系和交叉的電路模型;給出了在濾波器中實現交叉的方法。
  17. This thesis studies the slot coupling process and the effects of the cavity and the inner blocks on the coupling process

    本論文主要研究孔縫后金屬內各種物質塊對微波過程的影響。
  18. This thesis analyse the linear theory of gyro - twt with spiral corrugated waveguide and two - beam coaxial gyrotron. first of all, base on the theory of coupled - wave, the dispersion equation and coupling condition of spiral corrugated waveguide is realized by applying the method of impedance perturbation

    首先,在波理論基礎上運用阻抗微擾法分析了內開槽螺紋波導的冷色散特性,通過數值運算作出了冷色散曲線同時用三維粒子模擬軟進行了相應的冷分析。
  19. 3. for a given size cavity with a given size slot, the microwave power coupled into the cavity will reach the maximum value while the length of metal block is at a certain value under the condition of resonance

    ( 3 )固定和孔縫尺寸,在共振條件滿足的情況下,當方形金屬塊邊長為一固定值時,內的微波功率出現一個極值點。
  20. The linear coupling of microwave into a vacuum cavity with a slot is simulated at the beginning of this thesis. the resonant effect is verified, and the results show that the reflection of the cavity has little influence on the resonant effect. the numerical computation method is used to study the microwave coupling into slot on a cavity with a block inside

    本論文首先模擬了微波脈沖與帶縫空線性的情況,驗證了共振增強作用,結果表明的反射對共振增強作用影響很小,然後用數值模擬方法研究了微波脈沖與內置物質塊帶縫線性的問題。
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