circular boundary 中文意思是什麼
circular boundary
解釋
圓形邊界-
The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained
本文將近地共面軌道內運動的兩飛行器非線性追逃模型簡化為線性模型，以捕獲半徑的圓域定為目標集，確定目標集邊界上的可用部分，並以此為各狀態變量的起點，對時間進行倒向積分，求得線性方程組的解析解，從而確定了該追逃模型的線性界柵，以及界柵上對策雙方的最優推力，即求得了滿足最優策略時相對運動的軌跡和推力。 -
A simply and analytical formula of the axial light intensity distribution behind a circular aperture is derived by using the helmhotz - kirchhoff integral theorem and the kirchhoff ' s boundary conditions. it is studied the nonparaxial on - axis intensity distribution throughout the whole space behind a circular aperture. an accurate formula to calculate the fresnel number of circular aperture is presented and the validity of usual fresnel number formula is reexamined. by using the analytical formula and diffraction integral formula, some numerical simulation comparisons are done, and it is shown that the results of the two methods are completely coincident
用亥姆霍茲-基爾霍夫積分定理和基爾霍夫邊界條件，推導出了平面波經小圓孔非傍軸衍射時軸上強度的簡單解析表達式，研究了平面波經小圓孔后整個衍射空間非傍軸的軸上光強分佈.給出了計算圓孔菲涅爾數的精確公式，重新檢查了通常的菲涅爾數公式的有效性.數值計算顯示，應用解析表達式所得的結果與應用衍射積分公式所得的結果完全一致 -
Fourthly, the solutions for non - axisymmetical dynamic responding of elastic circular plate ( thin and thick plate ) rested on transversely isotropic saturated half - space / layered ground subjected to arbitrary harmonic loading are presented. under the contact conditions, the problem leads to a pair of dual integral equations which describs the mixed boundary - value problem
首先建立直角坐標系下波動問題的狀態方程，經雙重fo吐er變換求解狀態方程后得到傳遞矩陣:利用遞矩陣給出直角坐標系下層狀橫觀各向同性飽和地基在任意分佈簡諧荷載作用下穩態動力響應的一般解。 -
Application of natural boundary element method to the bending problem of the elastic thin circular plate
自然邊界元法在彈性圓形薄板彎曲問題中的應用 -
Using this scattered wave function and moving coordinate system, the problem can be summarized to scattering of sh - wave by multiple circular cavities in infinite space and the boundary conditions can be satisfied
利用這一波函數，則可將該問題轉化成為一個對無限空間中相鄰多個圓形孔洞對sh波散射的求解問題。 -
Lattice boltzmann method for oscillatory boundary layer of circular cylinder flow
方法模擬圓柱繞流的振蕩邊界層 -
The paper researches the transient time precision and the following problem of the results developing with time for 2 - d high order blocking and matched method, at the same time, anlysing the stability of high order methods including boundary conditions. the results show that the domain decomposition and matched method using high order method can follow the time developing solution of taylor problem well, the computation result of the flow over a single or two tandem arranging circular cylinder agree the experiment and others " results well, moreover, the panting results of lift and drag coefficient are better than others
本文利用高精度分塊耦合求解方法，對其瞬態時間精度和非定常時間發展解的跟隨性問題進行了研究，同時也對包含邊界條件的線法高精度格式的穩定性也作了分析，研究結果表明高精度的分塊耦合求解方法可以很好地跟隨taylor問題的時間發展解，與單圓柱繞流和雙圓柱繞流的實驗結果比較以及他人結果比較符合很好，對升阻力系數在渦脫落時的脈動問題的結果優於他人結果。 -
Based on the scalar diffraction theory and the boundary condition of rayleigh - sommerfeld, the accurate on - axis propagating wave function of plane wave diffracted by small circular band is obtained by solving the first integral of rayleigh - sommerfeld
摘要從標量衍射理論出發，採用瑞利索末菲衍射邊界條件，通過求解第一類瑞利索末菲衍射積分得到平面波經圓環衍射后軸上的波函數，進而分析軸上的光強特性以及光強極值數量、位置和大小與衍射圓環內外孔徑的關系。 -
The proposed method accurately and fleetly locates the inner boundary of the iris by means of detecting the diameter of the pupil in the binary image. then, the outer boundary is detected by a deformable circular template
它利用了虹膜瞳孔的生理特徵，在二值化后的虹膜圖像中尋找水平最長弦，從而定位瞳孔的大致位置，在此基礎上經過進一步的細化提取準確的瞳孔中心位置。 -
According to several boundary conditions, the frequency equation of flexural circular plate is calculated. similarly some coefficients in the displacement distribution can also be acquired, which provide a preparation for further study
在求得頻率的基礎上，進一步求解了與之對應的歸一化了的振形曲線系數，從而為後面的計算鋪平了道路。 -
Due to the property of the solution of this problem, we introduce a semi - circular artificial boundary in the unbounded physical domain and design high order artificial boundary conditions on it
由於該問題解的性質，我們在無界物理區域上建立半圓形的人工邊界並在其上設計出了高精度的整體型人工邊界條件。 -
The green ' s function of infinite and half - infinite space, the solutions of a cone under concentrated loads at its apex, and rotating circular and annular plate of magnetoelectroelastic medium are obtained by use of these solutions and given boundary conditions
在此基礎上，由平衡問題的一般解和邊界條件，得到了磁電彈性介質無限空間和半空間的green函數解、圓錐體頂端受集中荷載作用的解析解、旋轉圓盤和圓環的三維解析解。 -
The widening of sha tau kok road to dual 2 lanes has therefore been investigated as well as the previously proposed new dual 2 lane man kam to road and interchange with the new territories circular road to move cross - boundary traffic away from sheung shui new town. at lok ma chau large scale improvements are required at the san tin interchange to provide sufficient long term capacity
因此，把沙頭角公路擴闊為雙程雙線分隔車路的建議，加上以前所建議的措施，即提供雙程雙線分隔行車的新文錦渡路及進行新界環?公路交匯處改善計劃，將可使跨界交通無須經過上水新市鎮。 -
Scattering of sh - wave by collinear cracks of any limited length originating diametrecally at the boundary of circular lining which has cracks in homogeneous medium is investigated, and solution of dynamic stress intensity factors in mode at crack tip are obtained
按「契合」方式並採用裂紋切割技術構造含徑向裂紋圓環形襯砌對sh波散射的模型，利用green函數將問題歸結為求解第一類fredholm積分方程組。 -
The variational problem related to the coupled vector wave equations and boundary conditions of circular dielectric waveguide with arbitrary refractive index profile is solved using the finite element method ( fem )
應用有限元方法求解了任意徑向非均勻折射率分佈圓柱對稱介質波導中縱向場耦合波動方程定解問題所對應的變分問題，該方法不受弱導或高斯模場分佈等限制。
分享友人