surface integral 中文意思是什麼

surface integral 解釋
面積分
  • surface : n 1 表面;地面;水面;廣場,空地。2 外觀,外表,皮毛。3 【幾】面;切口;【航空】翼面。adj 表面的...
  • integral : adj 1 完全的;缺一不可的,主要的。2 【數學】整的,積分的。n 全體,整體;【數學】積分。 definite i...
  1. By the help of geometric significance of plane or space curve and space surface, and by use of the symmetry of curve and surface to coordinate axis and coordinate surface, how to use the symmetry to calculate the surface integral and curve integral is discussed for the odd ( even ) functions that are defined on the curve or surface with symmetry

    摘要藉助于(平面)空間曲線及空間曲面的直觀幾何意義,利用曲線、曲面關于坐標軸及坐標面的對稱性,探討了對于定義在具有對稱性的曲線、曲面上的奇(偶)函數,如何利用對稱性計算曲線積分及曲面積分。
  2. Standard specification for high - solids content, cold liquid - applied elastomeric waterproofing membrane with integral wearing surface

    帶整體磨損面的高固體含量並使用冷卻液的彈性防水薄膜的標準規范
  3. Base on helmholtz integral equation, the incoherent scattering of plane wave from rough cone - shaped surface is derived with the far field theory and stationary phase method. and the incoherent scattering of plane wave from rough conical surface is also derived with shadowing function when the the radius of principal

    最後計算並分析了入射光為= 0 . 48 m時,粗糙錐面的平面波散射特性,考察了入射波和散射波的幾何關系,偏振態以及粗糙面統計參量等對散射強度的影響。
  4. An integral property and its physical significance of difinite integral, double & triple integral, curve and curved surface integral of generalized odd and even functions are demonstrated, which are symmetrical about plane, line and point in the domain

    論述了關于面、線、點對稱的區域上的廣義奇、偶函數的定積分、二重、三重積分、曲線、曲面積分的一個性質及其物理意義。
  5. On the aspect of the research of the rcs computation methods, this dissertation did many work as : it discussed the application of the stationary phase method for the integral of the physical optics and gave the expressions of the stationary phase method based bezier surface for the perfect conduct and coated target ; focused on the application of the stationary phase method, it discussed some important techniques such as the searching of the stationary phase method and the handling of the singularity ; it also discuss the application of the gauss method for verifying the correction of the stationary phase method, and gave their compares of the efficiency and the precision

    在rcs演算法研究方面,本文做了以下研究:討論了在bezier曲面上物理光學積分的駐相法求解,給出了bezier曲面上理想導體和塗敷目標駐相公式;圍繞駐相法的應用,討論了駐相法應用中的一些關鍵的技術問題,包括駐相點的搜索、駐相法的奇異性;為了檢驗駐相法的精度,還討論了gauss積分的應用,給出了兩種方法計算效率和精度的比較。
  6. In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples

    第二章在聲波動理論基礎上,詳細地推導出對應于無限域和半無限域的外部振動聲輻射問題的邊界積分方程計算公式;根據fredholm積分理論,對利用邊界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明;改進了chief法以提高其克服解的非唯一性的有效性和可靠性;對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究;開發了三次樣條改進chief法計算軟體,並通過算例考核了該方法在特徵波數處克服解的非唯一性的有效性和在保證計算精度的前提下實現剖分粗化以提高計算效率的可行性。
  7. Abstract : the stability of the wall - climbing robot which climbs on are surface was analyzed in this paper by using theories about integral equation. a new kind of sealing structure was designed and its ability of solving the problem of gas leakage when robot climbs on are surface , was proved by our experiment

    文摘:本文利用積分方程的有關理論對爬壁機器人在弧面上爬行時的穩定性進行了分析求解.提出了一種新型的釷對弧面上爬行的爬壁機器人的密封結構.經過實驗驗證了此結構能夠解決爬壁機器人在弧面上爬行時氣體匯漏量大的問題
  8. Calculating the action point of buoyancy with curved surface integral

    用曲面積分計算浮力的作用點
  9. The newly developed cutting - type integral unit v - belt can carry heavy - load transmission. thetransmission is of multi - stress surface, therefore the belt can resist abrasion whit small slippage and high effciency and work reliably, and is suitable of heavy - load transmission

    本公司新開發切邊式聯組v帶,該帶可承載高負荷傳動,傳動受力面多、耐磨損,滑差小,效率高可靠性好,適于大負荷的傳動。
  10. Using a simple radiative transfer model for vegetation volume scattering and the integral equation model ( ibm ) for surface scattering with the field in situ measurements as the input, we compared the simulated and sar measured backscattering coefficients in different agricultural fields

    特別是在植被覆蓋地表,對其下土壤水分的監測更帶有極大的困難性。因此,利用雷達後向散射系數反演土壤水分必須首先充分理解微波與地表的相互作用過程。
  11. The former method is parametric surface integral and the latter is to triangulate closed surface based on nurbs. ( 4 ) the key technique in probabilistic damaged stability calculation is discussed

    ( 4 )對概率破艙穩性計算中多艙組合破損時船體的浮態與穩性計算發生異常的原因進行了研究。
  12. The computation of three dimensional volume is converted into that of integral of closed surface, which is based on the divergence theory

    摘要利用散度定理將體積計算轉化為閉曲面上的積分,對曲面進行三角形網格剖分。
  13. In order to accurately calculate the mining induced subsidence in thick alluvium areas so as to decrease the mining damage and environment disruption, the calculation of surface subsidence caused by water loss of clay was discussed based on probability integral method and used in a real case

    摘要為了更加精確地計算厚沖積層礦區的煤礦開采沉陷問題,減小采動損害與環境破壞,基於煤礦開采沉陷計算的概率積分法,探討了由於黏土體失水引起的地表沉陷計算問題,推導了黏土體失水引起的地表下沉計算公式,並應用於煤礦實際地表沉陷,加以分析論證。
  14. The acceleration time process of road surface plainness is got by using two integral calculus of the acceleration time process which is measured by five - wheel equipments. this data is worked as the input of the road surface for theoretical calculation. the result of experiments mostly fits that of calculation, and then the multiple - acceleration power spectrum distribution of the artillery and tractor are acquired

    在瀝青路面、破損鋪磚路和砂石路面上以不同速度進行了平穩隨機激勵牽引試驗,用五輪儀測量得到的加速度時間歷程進行兩次積分的方法得到路面不平度的時間歷程做為路面輸入進行對應的理論計算,試驗結果和計算結果基本相符,得到了火炮和牽引車多個加速度功率譜分佈。
  15. Standard guide for use of high solids content, cold liquid - applied elastomeric waterproofing membrane with an integral wearing surface

    有整體磨損表面的高固體含量及冷液處理的彈性防水薄膜材料的應用標準指南
  16. In this way, the surface integral expression of spatial triangle can be obtained with triangular mesh subdivision of the closed surface, constructing isoparametric transformation, building 1 - 1 corresponding relationship between spatial and standard triangle

    構造等參變換,建立任一空間三角形與標準三角形的1 - 1對應關系,推導出空間三角形上的曲面積分表達式。
  17. It gives a relationship between a surface integral over an oriented surface and a line integral along a simple closed curve

    它建立了有向曲面上的曲面積分與它的邊界曲線積分的關系。
  18. The magnetic flux crossing a surface s is the surface : integral of the normal component of b

    穿過一曲面s的磁通等於對應磁感應強度b的面積分。
  19. This method makes curve ( surface ) integral more simple and convenient, at same time, it has advantage of avoiding mistakes in integrating by missing symbol

    這種積分方法使得曲線(面)積分更為簡便、快捷,同時,也有利於避免因符號處理不當而導致的積分錯誤。
  20. A volumn / surface integral equation ( vsie ) fipwa is developed successfully to analyze scattering of conductor dielectric composite structure. besides the above two dimensional algorithm, the three dimensional fipwa has also been studied

    另外,本文還首次研究了基於體表面積分方程方法的快速非均勻平面波演算法,成功應用於分析金屬介質復合結構。
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