等參數曲線 的英文怎麼說

中文拼音 [děngshēnshǔqūxiàn]
等參數曲線 英文
isoparametric curve
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 參 : 參構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained ， and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve

    導出了曲率半徑與逼近誤差之間的關系和等誤差條件下的參數遞推公式，建立了通過逼近圓弧圓心的直線方程和圓心坐標計算公式.按這種方法用圓弧逼近平面參數曲線，不需要求解非線性方程組，避免了計算可能不收斂的麻煩，簡化了非圓曲線的節點計算過程
  2. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀；其次研究了橢圓曲線密碼體制的基本理論；第三，分析了橢圓曲線密碼的安全性並介紹了密鑰共享，加密，數字簽名等橢圓曲線密碼體制；第四，深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法，並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進，而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能，還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究，所得的結論可供在實現橢圓曲線密碼體制時參考；第五，研究了目前流行的計算橢圓曲線標量乘法的快速演算法，同時改進了固定基點梳形法，提高了整個系統的速度，並在實驗的基礎上分析研究了流行演算法的優劣；第六，實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫，在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh ， eces ， ecdsa等橢圓曲線密碼體制；第七，實現了兩條安全橢圓曲線上的橢圓曲線密碼體制，包括ecdh ， eces ， ecdsa 。
  3. By low - cycle and reverse horizontal loading test, their properties including strength property, deformation property and energy property are studied. we study the loading characteristic values ; the property of hysteretic curve and skeleton - frame curves ; the ductility property and stiffness degradation. lastly, based the data got from the test, this paper analyses and value the seismic behavior of every members

    在試驗基礎上，研究了軸心受壓構件的承載力計算和穩定問題；研究了低周反復水平加載條件下，彎剪構件和整體空心墻板的強度、變形、能量特性；軸壓構件的荷載特徵值；彎剪構件和整體空心墻板的滯回曲線、骨架曲線、延性等參數；從強度、變形和能耗等方面判別和鑒定各構件的抗震性能，對各個構件給出了試驗的結論、評價。
  4. Diagrams for example coal consumption and thermal efficiency in the light of online calculation presented by a software about boiler economic performance optimization developed with the tools visual c + + give you quick analysis and visualized judgment for boiler under different working conditions

    （ 3 ）用visualc + +開發工具對鍋爐經濟性能優化軟體進行了開發。根據現場運行提供的數據，通過計算，圖表顯示煤耗、鍋爐效率等參數的特性曲線；快速直觀的分析、判斷不同運行工況下鍋爐的可靠性與經濟性。
  5. This paper has described the principle of the contact polarization curve method and the technique for measuring basic parameters, analyzed the influence of such factors as oxidation conditions of the ore deposits, arrangement of electrodes and structures of orebodies on the basis of studying some typical polarization curves, inferred several parameters such as independency of orebodies, reacted minerals, effective areas of reacted minerals, reserves of elements and grades of elements for some measured typical curves, and compared the inferences with the exploration results

    摘要介紹了接觸極化曲線法的原理及基本參數的測取方法；通過一些典型極化曲線，對礦床氧化狀態、電極排布、礦體結構等因素的影響作了分析；對所測得的部分典型曲線進行了礦體獨立性、反應礦物、反應礦物有效面積、元素儲量、元素品位等參數的推斷，並將推斷與勘探結果進行了對比分析。
  6. The dome - top, plane - top ; large - reflective bowl, small - reflective bowl ; wild - degree bowl, narrow - degree bowl ; deep assembling, middle assembling and low assembling led tubes were simulated and experimentally measured for comparison. some conclusions can be drawn that the simulation results fit the experimentation results well in the light distribution. this testified that monte carlo method is one of the effective tools for led light ' s optical design

    根據驗證和分析比較不同led光學結構的需要，製作了有代表性的19種管型的樣管，分別對其模擬模擬輸出配光曲線圖和測試，在模擬光子數設定為10000000個， 1000次反射無出射視為光子被吸收等參數條件下，得到模擬和測試所得配光曲線在一定的誤差范圍內是相同的。
  7. The software for pc developed by visual c + + proves to be effective and friendly to operators, which can realize many functions such as process display, list - display of operation parameters, alarming, history querying, automatic creation of worksheet, and trend monitor, etc. the software for plc programmed by step 7, which can successfully detects signals and controls the loops

    Pc軟體由visualc + +開發，具有強大的功能和友好的用戶界面，實現了運行參數流程與列表顯示、報警提示、歷史查詢、工作匯總報表、參數曲線跟蹤等功能。 plc軟體由step7軟體包開發，完成了plc系統的數據採集、控制迴路的運行等功能。
  8. The calculation program using the matlab has been worked out to get the numerical solutions of the proposed models. the experiment has first been conducted in the laboratory to get the fundamentals thermal and moisture properties ( such as materials density, specific heat capacity and thermal conductivity ) and also the material moisture absorption isotherms of adobe building materials. the methods of measuring the surface mass transfer coefficient and material moisture content have been proposed

    首次對生土建築材料物性參數進行了實驗測試，得到了常用生土建築材料的密度、比熱和導熱系數等參數值，得到了生土建築圍護結構的等溫吸濕平衡曲線的擬合函數關系式；此外，研究了生土建築圍護結構表面質交換系數實驗測定方法，探索了利用電阻率測量生土建築圍護的安窪築科技人學博十學位論文結構內部含濕量的測試方法。
  9. In mathematics, a set of functions, curves, etc., which can be generated by varying one or more of the parameters of a general form

    數學中的一組函數、曲線等，它們可以通過改變一個通式中的一個或幾個參數而生成。
  10. Based on the computer geometrical models of straight bevel gears built, a iso - parametric tool path algorithms which was fit for the machining of multiple surfaces has been designed. the algorithms can solve the problems which exist in machining multiple non - rectangle parameter surfaces and avoid the calculation of sufaces intersection

    在建立直齒圓錐齒輪計算機模型的基礎上，提出了適于多曲面加工的等參數線刀軌生成演算法，避免了在對多張相鄰非矩形參數域齒面進行加工時所產生的干涉問題，而且曲面無需求交，使得計算成本下降。
  11. And then we introduce bezier, b - spline and non - polynomial curves and surfaces modeling, which include l - splines, helix splines, splines in tension and c - curves etc. by analyzing the characters of bezier curves and b - spline curves, we construct trigonometric polynomial curves in the space of trigonometric functions, which assume the characters of b zier curves and b - spline curves

    闡述了cagd中參數曲線曲面造型的發展歷史並介紹了bzier方法、 b樣條方法以及非多項式曲線曲面造型方法，後者包括l -樣條、螺旋樣條、張力樣條以及c -曲線等。文章以b zier曲線和b樣條曲線的特點為基礎，在三角函數空間中構造一組具有上述兩類曲線特性的三角函數多項式曲線，稱其為t - b zier曲線和t - b樣條曲線。
  12. Computing about five work conditions of slurry pump, the fields of velocity, compression and turbulence intensity are obtained, and the pump performance curves are also achieved to check the computation credence. based on the results of flow fields, particle tracks in varied conditions are achieved by using lagrange method

    本文對渣漿泵的在5個工況下（包括設計工況）的清水流場進行了計算，得到了描述流場的速度、壓力、紊流強度等參數場的分佈情況，最後計算了泵的運行性能曲線來校核計算的可靠性。
  13. ( 4 ) influences of parameters on the behavior of the moment ( m ) versus curvature ( ) response, and the lateral load ( p ) versus lateral displacement ( ? ) relationship such as fire duration time, axial load level, slenderness ratio, steel ratio, steel yielded strength and concrete

    （ 4 ）對影響彎矩-曲率（ m - ） 、荷載-變形（ p - ）滯回曲線骨架線的各種因素，如受火時間、軸壓比、長細比、含鋼率、鋼材及混凝土強度等參數進行了分析。
  14. Based on the fiber element method, parametric analysis was performed on the behaviors of moment - curvature and lateral load - lateral displacement relationships for the composite beam - columns. the selected parameters were the axial load level, slenderness ratio, steel ratio, strength of the materials, etc. finally, simplified models for the moment - curvature and the lateral load - lateral displacement hysteretic relationships, as well as simplified formula for calculating ductility coefficient were suggested

    用纖維模型法系統地分析了軸壓比、長細比、截面含鋼率、鋼材和混凝土強度等參數對m -和p -滯回曲線骨架線的影響規律，提出了壓彎構件m - 、 p -滯回關系模型及延性系數的確定方法。
  15. Secondly, by low - cycle and reverse horizontal loading test, their properties including strength property, deformation property and energy property are studied. we study the loading characteristic values ; the property of hysteretic curve and skeleton - frame curves ; the ductility property and stiffness degradation. at last we analyze the destroy principle and affection reasons of hollow shear wall of r. c with vertical seams in different height and loading measures, we also give the bearing capability calculation formulas and design advises for new type hollow shear wall of r. c

    首先運用ansys有限元程序分析彈性階段水平外荷載施加后，帶豎縫鋼筋砼空心剪力墻板內應力分佈及變形情況，再在試驗數據的基礎上，研究低周反復水平加載條件下，各試件的強度、變形、能量特性；各試件的荷載特徵值；各試件的滯回曲線、骨架曲線；延性及剛度退化等參數；最後，分析了不同剪跨比和加載條件的帶豎縫鋼筋砼空心剪力墻板的破壞機理和承載力影響因素，並給出不同剪跨比和加載條件的帶豎縫鋼筋砼空心剪力墻板承載力計算公式及設計建議。
  16. Secondly, based on cutting edge geometric model and machining mode of mk6335a grinder, the rake face with constant normal rake angle and flank face with constant orthogonal clearance angle models of ball - end cutters are discussed. the cutting geometry angle parameters are solved and analyzed. moreover, the tool paths models of wheel which grinding are builded and the post - processing technique for coordination transfer is studied

    然後，基於刃口曲線模型、五軸數控磨床刃磨運動方式和微分幾何的直紋面概念，本文推導與建立了具有等法前角的前刀面和具有等主后角的后刀面的球頭立銑刀數學模型，並對球頭立銑刀的刀具角度如刃傾角、主前角、法后角、主偏角等參數進行了求解與分析。
  17. We put more attention on the study of 3d graphic rendering technology, such as shading model and ray tracing. shading model is compared of simple shading model and whole shading model. studied the radiosity and texture mapping, mainly about the parameter curve surface texture mapping, two steps texture mapping, environment texture mapping and mip - map mapping

    研究了光照模型及光線跟蹤技術，包括簡單光照明模型、整體光照明模型；分析了輻射度方法及紋理映射技術，研究了紋理映射中參數曲面的紋理映射技術、兩步法紋理映射、環境映射、 mip - map映射等映射技術。
  18. Next, in the interior of the patches, surface fitting points and cross boundary derivatives are estimated from the reference curves by constructing virtual iso - parametric curves

    其次，在曲面片內部，曲面擬合點和邊界方向導數可以從參考曲線中通過構建虛擬等參線的方法得到。
  19. Grpcs provides a unified framework for parametric curve and surface. it does not only inherit a lot of good properties from nurbs such as locality, convex hull, affine and perspective invariance etc., but also has the ability to directly represent trimmed surfaces and closed surfaces

    廣義有理參數曲線曲面在表示形式和計算方法上具有高度的統一性，它不僅繼承了nurbs的很多優良性質，比如局部控制性、凸包性、仿射和投影不變性等，而且可以直接表示裁剪曲面和閉合的曲線曲面。
  20. 5. experimental study on start - up, steady work and performance of mpt were completed first time in china. the performance curves of mpt were obtained and the influence of parameters such as microwave power, gas flux, etc. on performance was studied

    在國內首次進行了mpt真空環境啟動、穩定工作特性和性能實驗，測取了mpt的性能參數曲線，研究了微波功率、工質氣體流量等參數對mpt性能的影響。
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