圓柱域 的英文怎麼說

中文拼音 [yuánzhùyù]
圓柱域 英文
cylindrical domain
  • 域 : 名詞（在一定疆界內的地方; 疆域） land within certain boundaries; territory; region
  1. Numerical simulation results indicate that, for low temperature dust particles, dust particles mainly exist in the area near the column center and their charge - number can be considered as a constant, while in the area where there are no dust particles, ion and electrons are in ambipolar diffusion ; for high temperature dust particles, both the distribution regions of dust particle and high ion density are expanded and dust charge - number is increasing with the distance from the center

    計算結果表明：當塵埃粒子的溫度較低時，塵埃粒子主要集中在圓柱形放電器的中心很小的區域，塵埃粒子攜帶的電荷幾乎是一個常數，受塵埃粒子空間電荷的影響，離子在該區域的密度最高。在遠離中心區域，離子和電子呈現雙及擴散特點；當塵埃粒子的溫度較高時，塵埃粒子分佈的區域和高離子密度區域擴大，塵埃粒子離放電器中心越遠，攜帶的負電荷越多。
  2. According to the differential geometry theory, the principle curvatures and principle relative curvature of the spur gear and the fg in line contact and point contact, the tooth surface relative speed and the tooth contact interface are analyzed, whose distributing on the tooth surface are visualized by computer

    在齒面的幾何特性研究中，利用微分幾何的原理分析了圓柱齒輪和面齒輪的齒面曲率、線接觸和點接觸面齒輪傳動的主誘導法曲率以及嚙合過程中齒面的相對速度和接觸區域計算問題，並獲得有益的結論。
  3. Eigenequation about singularity, singular stress fields and electrical displacement fields near the interface edge are obtained under axisymmetric distortion. finally, a special finite element formulation which is based on the principle of minimum potential energy has been developed for determining the orders of the singularity of the singular stress fields around the singular point ( interface edge, interface corner and the interface crack ) in the bonded dissimilar anisotropic / anisotropic, piezoelectric / piezoelectric as well as piezoelectric / anisotropic materials. the numerical results show that this method is very convenient and efficient

    最後，從最小勢能原理出發，在僅僅考慮奇異性支配區域這一前提下，對于彈性接合材料的平面變形問題和擬平面應變問題，以奇異點為原點分別建立極坐標系和圓柱坐標系，通過分部積分消除廠項，從而使奇異性問題的求解由原來的二維降為一維；對於三維變形問題，以奇異點為原點建立球坐標系，通過分部積分消除項，從而使奇異性問題的求解由原來的三維降為二維。
  4. The static electricity field for two parallel cylinders with eccentric axes or separated, angular space, along with solution of the charged conductor of cylinder all can be explained by this kind of situation

    偏心圓柱面與分離圓柱面帶電導體的電場以及角形區域內的靜電場，還有帶電導體圓柱位於接地導體附近的靜電場的求解問題都屬于這種情形。
  5. It is different from concentric mosaics as follows. the sampling region of border panoramas can be arbitrary convex region, such as rectangle, square, triangle, circle or any other shape. and its sampling manner is sampling cylindrical panorama at border of the region point by point

    它與同心拼圖（ concentricmosaics ）的不同之處在於，采樣區域可以是任意的凸區域，比如矩形、三角形、圓或者其它隨意的形狀，采樣方式是在區域的邊界上逐點采樣柱面全景圖。
  6. The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system

    本文從麥克斯韋旋度方程出發，建立了笛卡兒坐標下無源空間中均勻無耗媒質的fdtd基本方程和圓柱坐標下無源空間中均勻無耗媒質的fdtd基本方程，詳細討論了fdtd法計算中時間步長和空間步長的選取原則以及激勵源的類型和設置；推導了mur一階和二階邊界條件在圓柱坐標下的差分格式；給出了在用fdtd法計算天線的遠場輻射特性時必需採用的頻域和時域近場遠場變換技術；最後用fdtd法計算了平面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的輸入阻抗和遠區輻射場，並分析了天線的一些參數的變化對天線輸入阻抗的影響，得出了一些有用的結論。
  7. Ni - cd cylindrical cell has the properties of small internal resistance, long service life, resistant to over charge and discharge, low self discharge, wide operation temperature range ( - 20 + 40 ) and high reliability. they are suitable for high rate discharge and widely used in the fields of electrical tools, railway trains, lighting, fire prevention and military

    鎘鎳圓柱密封堿性蓄電池具有內阻小，使用壽命長，耐過充過放電，自放電小，使用溫度范圍寬（ - 20 + 40 ） 、可靠性高等特點，適用高倍率（大功率）放電使用，廣泛應用於電動工具、列尾電源、照明、消防、儀器儀表以及軍事領域。
  8. The application of semantics is discussed as follows : the projection relation semantics leading to recognizing cylinder, the region semantics leading to recognizing linear sweeping, the free element semantics leading to recognizing the feature which the cylinder is cut by plane. last, a prototype system is developed according to the semantics model. the system can read dxf that contains 2d engineering drawing information and recognize the 3d feature

    接著，根據工程語義模型表述，詳細分析了各個類別、層次以及類別之間表達的工程語義的特點與內容，然後進行零件的特徵分類，從特徵識別的角度探討了工程語義在圖樣理解的應用，並詳細討論了圓柱體、線性拉伸體、圓柱體的平面截切特徵從投影語義、連通域語義、游離圖元語義引導識別的應用過程。
  9. Lemo has evolved into a worldwide leader in the design and manufacture of high quality connectors

    瑞士雷莫是圓柱形插拔目鎖連接器的發明者，在高精密電子和光纖連接器領域處於世界領先地位。
  10. Some boundary value problems for elliptic systems of complex equations in biring domain

    多圓環柱域上橢圓型方程組的邊值問題
  11. Air - cored solenoid coil is applied widely to the regions such as electron, electrical engineering and radio technique

    空心圓柱線圈在電子、電氣、無線電等領域中有著廣泛的應用。
  12. The solving steps are as follows : the field is divided into three regions by the cylindrical surface of the finite - length cylinder and the location of the delta - coils. because " the surface current source is placed at the interface, the non - homogenous restricted equation on the magnetic vector potential is transformed into the homogenous helmholtz equation. by using the method of separation of variables to solve equation and according to the interface conditions and the condition at infinity to determine the unknown constants, the expressions for the magnetic vector potential of the three regions are solved out

    在求解過程中，假定放置式圓柱線圈是由無窮多個對稱圓環線圈密饒而成，首先求解含有有限長磁芯的通電對稱圓環線圈的電磁場：以有限長圓柱磁芯的側面和圓環線圈所在圓柱面為分界面將場域劃分為三個小區域，由於場源放置在內邊界面上，使得關于矢量磁位的非齊次約束方程轉化成齊次亥姆霍茲方程，利用分離變量法求解，根據分界面鄭州大學碩十研究生畢業論文摘要條件以及無限遠條件確定待定常數，從而得到各場區矢量磁位的表達式。
  13. Fourthly, the linear programming technique is combined with efg - fe coupling method to solve the elasto - plastic contact problems. a cylinder in contact with a rigid plane is implemented to show how to choose some of the parameters of efg - fe coupling method in solving the contact problems. an elasto - plastic contact of rough surfaces is also carried out

    通過編程對光滑表面圓柱體與剛性平面的彈塑性接觸問題以及粗糙表面與剛性平面的彈塑性接觸進行求解，在對無網格區域相關參數研究的基礎上，指出了用無網格伽遼金-有限元方法求解接觸問題時的合理參數范圍。
  14. On the premise of summarizing former contributions in the field, and considering the universality of the cylindrical space with circular cross - section in industry, the author develop a novel ofpt structure, on which the design theories, numerical simulation, design of experimental system for plane structure, preliminary experiment and design of applied space structure are presented. the main contents of the thesis are that : put forward the novel ofpt pixel distribution and plane - light - path design theories and their empirical formulae. the numbers of the ofs units and their emitting rays can be decided by the requirements of image - reconstructed resolution and the size of the center unmeasured region

    本論文在總結前人工作的前提下，充分兼顧了工業中具有圓形截面的圓柱形容器或管道普遍存在的事實，提出了一種新型的光纖過程層析成像結構，並從理論設計方法，具體結構模擬，平面結構實驗系統設計，初步實驗以及空間結構實用化設計、理論分析等方面進行了研究，主要的創新點在於：提出了一種用於工業過程監測與控制的新型光纖過程層析成像結構設計方法，並推導了該方法的經驗公式，該方法主要包括像素分配和平面光路結構設計，可以根據工程應用中圖像重建的解析度和圓形截面非測量區域所佔比例的要求，設計所需傳感單元的數目和傳感單元發射光線的數目；設計了一種新型的光纖過程層析成像結構，並對該結構進行了可行性分析和數值模擬。
  15. To verify our computer code, we compute the added mass of a cylinder in the infinite domain and the semi - infinite domain as well as the inner one of two concentric cylinders, respectively. computational results match the analytical solutions quite well and we obtain certain valuable conclusions about added mass in different situations

    為驗證程序的正確性，本文分別對單圓柱體在無限域和半無限域中運動的附加質量及雙圓柱體同心放置時內圓柱運動的附加質量分別進行了計算，計算值與理論值吻合很好；本文通過計算船在不同尺寸的船廂中運動的附加質量得出，隨下列條件的改變： 1
  16. We also describe an area - based method to create cylindrical panoramic images by stitching together a series of rotated overlapping photographs seamlessly

    在此之前，我們還設計實現了一種基於特徵區域匹配的圓柱面全景圖拼接演算法，達到了無縫拼接的效果。
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