matrix cavity 中文意思是什麼

matrix cavity 解釋
胎模內腔
  • matrix : n (pl matrices 或matrixes)1 【解剖學】子宮;母體;發源地,策源地,搖籃;【生物學】襯質細胞;間...
  • 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。
  1. Other than paying attension to these areas during the operation, the author believes there are several points for the effective removal of cholesteatoma : 1 ) use of open or open - closed method for mastoidectomy ; 2 ) incision made over some safe site on the cholestratoma sac to remove its content beforehand, which will fascilitate the elevation of matrix after wards : 3 ) exposure of the fallopian canal in the tympanic cavity before lowering down the facial ridge ; 4 ) care be taken of pediatric cholesteatoma ; 5 ) good control of blood pressure and bleeding during the operation ; and 6 ) illumination

    除了特別的注意這些部位外,開放腔或開放后再封閉的手術法,由外而內的將外耳道先行擴大以充分露出術野,大型膽脂瘤囊袋內容物先取出再予剝離,講求顏面神經嵴削低的技巧,以及對小兒例的警戒心,術中出血的控制和照明的良好等,均為防止膽脂瘤殘留的要訣。
  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. High strain rate superplasticity and cavity behavior in mb2 sic magnesium matrix composites

    復合材料高應變速率超塑性及空洞行為
  4. Cavity behavior of sic mb2 magnesium matrix composites during high strain rate superplasticity deformation

    2復合材料高應變速率超塑性變形的空洞行為
  5. Then use the finite element method to analyse the dielectric loaded resonant cavity, and get the generalized eigenvalue equation ax = k02bx, in matrix b includes the unknown r

    然後採用有限元分析的方法來分析介質加載諧振腔,並得到待求廣義特徵方程ax = k02bx ,其中b中含有未知數r 。
  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. Not only the fractures can connect the separated cavity to grow the effective reservoir space and improve the permeability of matrix, but also is the main path of petroleum migration

    裂縫不僅可以使孤立的孔洞得以連通,發育成有效的儲集空間,大大提高基質滲透率,更是油氣的主要運移通道。
  8. Using the fresnel matrix method, the standing wave distribution of the vertical - cavity surface - emitting laser ( vcsel ) was designed and analyzed

    摘要應用薄膜光學的菲涅耳系數矩陣方法,對垂直腔面發射激光器的駐波場分佈設計做了深入的研究。
  9. First of all, the algorithm base on the boundary problem of helmholtz equation and finite - difference technique, calculate the field in “ cold ” cavity and disperse the helmholtz equation, as a result of the formula : ax = x. secondly, according to the eigenvalue of matrix theory and applied iterative methods, eigenmode adopt a numerical approach which allows the improved chebyshev polynomial iteration which based on the power method to extract the isolated eigenmode in the spectrum. finally, we resolve the problem of compatibility in software and insert the eigenmode module into the chipic which will have the function of eigenmode analysis

    具體的說: ( 1 )首先以電磁理論中的亥姆霍茲方程的邊值問題理論和計算電磁學中的有限差分法為基礎,計算冷腔中的場分佈並離散亥姆霍茲方程,得到標準的本徵值問題: ax = x ; ( 2 )然後根據矩陣理論中的eigenvalue問題和數值計算中的迭代方法,採用改進后的chebyshev多項式,在power迭代法的基礎上對ax = x進行多項式迭代,實現對頻譜中孤立本徵模的萃取; ( 3 )最後將用fortran語言編制的eigenmode模塊加入到chipic軟體中,解決了eigenmode模塊與chipic主代碼的兼容問題,從而實現了chipic軟體的模式分析功能。
  10. According to propagation equation of gaussian beam and matrix of misadjust resonator, as well as principle of cavity ring - down method and data processing of fitting, a physical model of reflectivity measuring is set up for misadjustment of cavity length or angle of titled cavity mirrors

    根據光束傳輸規律和失調腔矩陣方法,以及光腔衰蕩法測量原理和曲線擬合方法,建立了腔長、腔鏡角度失調下光腔衰蕩法的反射率測量模型。
  11. The optical characteristics of metal silver film used as the reflective mirror of microcavity are calculated by characteristic matrix method and it is shown that the thickness of metal mirror affects not only the reflectivity but also the penetration depth and thus the cavity mode. this conclusion is confirmed by experiment

    通過特徵矩陣法計算了金屬薄膜在光學微腔中的性質,得到了金屬膜厚度不僅影響腔的品質因子,而且隨金屬膜厚度增加,由反射相移引起的等效穿透深度增加的結果,並在實驗上進行了驗證。
  12. Three parts ( 6 chapters ) are included in this dissertation except the 1 st and 6th chapters. the first part ( the 2nd, 3rd and 4th chapters ) is the theory for analyzing and designing resonators with diffraction optical elements by use of a matrix eigenvalue method. the eigen modes and diffraction loss for a laser cavity have been obtained by this method

    本論文主要包括三個部分共八章,除第一章緒論和第八章總結外,主要內容如下:第一部分(第二、三、四章)主要討論和分析了決定激光光束的輸出特性和光束參量的激光諧振腔,闡述和建立了矩陣本徵值方法分析和設計激光諧振腔的系統理論。
  13. The element is then used to analyse an irregular shaped cavity. a semi - analytic method, in which the derivatives of stiffness matrix and mass matrix are obtained by the difference technique, for sensitivity analysis in dynamic shape optimization is presented in this dissertation

    本文採用基於局部差分的半解析演算法,進行特徵值的靈敏度分析,並將計算結果提供給結構力學分析模塊,實現了空腔聲學的有限元分析和靈敏度計算。
  14. Research of gain of vertical cavity semiconductor optical amplifiers based on transfer matrix method

    傳輸矩陣法研究垂直腔半導體光放大器增益特性
  15. The stiffness of the bolts are added to the integer stiffness matrix. 44 5. the above theories are applied in the stability analysis of the 5 machine set of pubugou hydropower underground cavity group

    將錨桿的勁度加入到系統的整體勁度矩陣中,直接而又比較客觀的反映了錨桿對巖體的加固效果,並推導了相應的理論公式。
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