cavity theory 中文意思是什麼

cavity theory 解釋
空穴理論
  • cavity : n. 1. 【解剖學】穴,窩,盂,腔,空腔;【醫學】(空)洞。2. 【物理學】模槽;氣蝕區;空腔諧振器;【原子能】(反應堆中的)小室,暗盒。
  • theory : n. 1. 理論,學理,原理。2. 學說,論說 (opp. hypothesis)。3. 推測,揣度。4. 〈口語〉見解,意見。
  1. The ring laser gyro ( rlg ) is a new photoelectric inertia sensor based on the optic interference theory. it uses the difference between the frequency of the two beams of light, which run in the opposite direction in the resonant cavity, to measure the carrier ’ s rotate speed and the orientation in the inertial space

    環形激光陀螺儀( ringlasergyro ,簡稱rlg )是以光學干涉原理為基礎發展起來的新型光電慣性敏感儀器,它利用環形諧振腔內順、逆運行的兩束光的諧振頻率差來測量載體對于慣性空間的轉速和方位。
  2. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。
  3. We call the new quantum phenomenon that ca n ' t be explained by classical theory non - classical feature of cavity field. it has been proved by experiment, that quantum states of cavity field can exhibit three non - classical features, i. e. photon antibunching effect, sub - poissonian statistics distribution, and squeezed states

    在光場與原子相互作用的過程中會出現某些不能為經典理論所解釋的新的量子現象,人們統稱這些現象為光場的非經典效應,目前實驗上所觀測到的非經典現象有光子的反聚束效應、亞泊松分佈和光場的壓縮效應。
  4. In the direction of electromagnetic theory and the l of the mechanism of electroporation, the coaxial cavity resonator is be built by the means of cst microwave studio ?

    以電穿孔理論和電磁理論為基礎,採用cstmicrowavestudio ?建立電容加載同軸諧振腔的三維電磁模型,闡述基於此的滅菌方案。
  5. Firstly, we analyze the character of nd : yag, bbo and lbo, for nd : yag crystal and select the nd : yag as the gain medium and lbo as doubling - frequency crystal. ln the theory, analyzing the parameter of the gain medium length, the ratio of the pump - and laser - beam waists. based on the above analysis, we design the resonance cavity

    首先,我們對增益介質的性質和非線性晶體bbo和lbo的一些性質進行了比較,選取nd : yag作為增益介質, lbo作為倍頻晶體。理論上分析了激光器設計中的一些參數值,如增益介質長度、模式交疊率、最佳倍頻條件,並根據理論分析結果設計了諧振腔。
  6. Second, we compute the self - impedance through cavity modal theory and mutual impendance based on reaction theory respectively. then the generalized impedance matrix that reflects the effect of mutual coupling is formed. at last, the effect of mutual coupli ng on 2 - d doa estimation algorithms is investigated and two efficient methods of mutual coupling compensation are proposed

    本文首先對兩種二維doa估計演算法? ssm法和二維酉esprit法的性能進行了比較,用空域平滑演算法解決了相干源的二維doa估計;其次運用腔模理論計算微帶天線的自阻抗,用反應原理計算微帶天線間的互阻抗,進而形成計入互耦影響的廣義阻抗矩陣;討論了互耦對二維doa估計的影響,提出了兩種互耦補償的方法。
  7. According to the working modes of mr devices, combining the ohm ' s law of magnetic circuit and the design theory of non - steady magnetic circuit, magnetic structures of the automotive damper have been worked out. to emulate the performance of conventional shock absorber, two automotive mr dampers were designed and fabricated at chongqing university. an applied magnetic field increase the yield stress of mr fluids in flow annular passages, which alters the velocity profile of mr fluid in the passages and raise the pressure gradient between low cavity and high one at some given flow rates

    根據磁流變阻尼器工作模式,利用磁路中的歐姆定律和動態磁路設計原理,結合汽車懸架的技術要求和結構特點,提出了基於剪切模式和流動模式共同作用(混合工作模式)的汽車磁流變阻尼器設計原理,討論了阻尼器動態磁路設計中的若干技術問題;根據流體力學navier - stokes方程,分別利用newton流體特性和bingham流體特性,推導了基於平板模型和軸對稱模型的流變學方程,得出了阻尼器阻尼力的計算方法。
  8. An ultrasonic crossjet with a non - symmetric laval cavity is designed based on the aerodynamic theory

    根據氣體動力學原理設計了一種超音速非對稱拉法爾腔體結構的噴嘴,並建立了噴嘴內部拉法爾曲線方程。
  9. The influence of the injection pressure to the mold cavity thickness was analyzed, formulas of circular mold cavity thickness were calculated, providing theory basis for deciding the mold cavity dimension rightly

    摘要分析了注射壓力對模具型腔壁厚的影響,推導了圓形型腔壁厚的計算公式,為合理確定注射模具型腔壁厚提供了理論依據。
  10. Kinetic theory governing equations for cavity flow

    用動理學方法推導空化流的控制方程
  11. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了電子束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程,同時對線性區的增益進行了計算。理論分析表明,場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振頻率、間隙阻抗實部和外觀品質因數等特性參數。
  12. Under the cylindrical coordinate, the transit - time effect of the radial gap in the resonance cavity of rtto is studied by hydrodynamic theory. the equation describing the interaction between the electron beam and the high frequency field is obtained

    在柱坐標系統中,我們用流體理論方法分析了rtto諧振腔間隙的渡越時間效應,得到了在有限渡越角情況下電子束與高頻場相互作用的方程。
  13. This technique combines the edge - based finite - element method with physical optics ( po ) and physical theory of diffraction ( ptd ). the hybrid technique is applied to compute the scattering fields from the electrically large bodies with cracks and cavities on their surfaces. it is also used to analyze the scattering characteristics of microstrip antennas residing in a cavity mounted on metal objects with finite sizes

    本文採用edge - basedfem為基本方法,結合物理光學法( po ) 、物理繞射理論( ptd ) 、邊界積分方程( bi ) 、區域分解技術( ddm )和完全匹配層( pml )吸收邊界條件等求解方法構成的混合方法,對電磁散射和輻射問題進行了研究,主要包括以下內容:提出了一種edge - basedfem與物理光學方法和物理繞射理論相結合的混合方法? fem po - ptd方法,並將該混合方法應用於帶有腔體或槽縫的電大尺寸導體目標的電磁散射特性分析和位於有限導體目標上的背腔式微帶貼片天線的電磁散射特性分析。
  14. The main work in this paper includes three parts : the theory research on partially - cavitating and super - cavitating axisymmetric bodies, the numerical computations and experimental investigations on partially - cavitation and super - cavitation on axisymmetric bodies. after finishing the study of theory and experiment on the partially - cavitation and super - cavitation for axisymmetric body, i use the potential flow theory to build the mathematical model on the partially - cavitation and super - cavitation for axisymmetric body. many cavity wake models, such as pressure recovery close model, riabouchinsky model and re - entrant jet model, are studied seriously

    本文在深入研究了回轉體局部空化與超空化理論及實驗結果的基礎上,基於勢流理論,建立了回轉體局部空泡和超空泡流場的基本數學模型,通過對kinnas和fine 、 uhlman以及jiedang和gertkuiper等人基於二維水翼提出的壓力恢復閉合模型、鏡像板模型和回射流模型等空泡尾流模型進行了逐一的研究分析,發現其中的壓力恢復閉合模型較適用於模擬回轉體空泡尾部流場,並選用此空泡尾流模型作為求解回轉體空化流場正問題與逆問題的數學模型的組成部分。
  15. Cavity flow theory

    空泡流理論
  16. Firstly, the oscillator theory was researched as the base of the design of oscillator - type aia in this paper. the derivation of oscillation condition and stability condition were given ; at the same time, the cavity modeling theory of microstrip antenna was studied, which gave the relation between the size of microstrip antenna and the resonate frequency and that between the size and impedance of microstrip antenna

    首先,針對本文所討論的振蕩型有源集成天線,作為理論基礎,進行了振蕩器理論的研究,推導出有源集成天線的振蕩條件和穩定條件;同時利用空腔模理論,給出了天線尺寸與諧振頻率和輸入阻抗的關系。
  17. Approximate calculation of super - cavity profile based on slender - body theory

    基於細長體理論的超空泡外形估算
  18. Chapter two introduces the theory of optical cavity decay time method

    第二章介紹了時間衰減法測量無源諧振腔總損耗的原理。
  19. The trends of dpssl are pointed out, the wide application fields, as well as the bright market future of high power dpssl are also summarized. in the chapter 2, all kinds of solid - state laser gain materials are introduced in detail. in the chapter 3, the theory on the mode - matching of the pump beam and the cavity mode is analyzed in detail based on the basic theory and work principle of ld - pumped all - solid - state laser

    本論文第一章從二極體泵浦固體激光器的優勢出發,介紹了二極體泵浦固體激光器的發展,指出了dpssl的發展方向,概括介紹了大功率dpssl的諸多應用領域和廣闊的市場前景;第二章對固體激光增益材料作了詳細的介紹;第三章基於ld泵浦固體激光器的基本理論和工作原理,從理論上詳細分析了ld端面泵浦激光器中泵浦光與腔模的匹配問題。
  20. Based on the squeezing effect in the process of pile sinking, the squeezing behaviour of concrete - cored sand - gravel piles is analyzed by applying cavity expansion theory and consolidation theory

    從擠土樁沉樁過程產生的擠土效應出發,運用圓孔擴張理論和固結理論,分析了混凝土芯砂石樁的擠土性狀。
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