曲線的交點 的英文怎麼說

中文拼音 [qūxiàndejiāodiǎn]
曲線的交點 英文
intersect
  • 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...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 交 : Ⅰ動詞1 （把事物轉移給有關方面） hand over; give up; deliver 2 （到某一時辰或季節） reach （a cert...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此，對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此，本文從測井地質的角度，針對當前裂縫性儲層測井地質解釋與評價的現狀，在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上，利用分形分維方法和技術，通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ （ fa ）與m指數的理論推導，根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜，則其分維值d _ （ fa ）越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵，提出了改進的基於盒維數的測井曲線網格覆蓋法，編程計算了裂縫性儲層段常規測井曲線（如聲波和電阻率曲線）上分形分維值及其m指數值，進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究，效果十分理想： 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪，採用儲層分維值分類技術統計分析這些參數變化的規律，並結合qx油田l區塊儲層類型經驗判別圖版，從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. It makes sampling data regularized by means of man - machine interactive mode and procedure method, respectively. the driven data of the cutter guide is generated, which is based on sampling data processed. it proposes an intelligent data reduction algorithm which bases on the combination of straightness of curves, equidistance and distance deviation principle

    首先採集並分析了內輪廓數據，分別運用程序處理方式和人機交互方式實現采樣數據點的規則化處理;根據處理后的測點數據生成磨頭驅動數據;並提出了一種基於曲線曲率、等距及距離偏差帶的自適應數據壓縮方法。
  3. Finally, the convexity - concavity of the closed curve is detected. in the end, choi ' s pair - wise offset of polygon algorithm is improv ed based on the proposed curve intersection algorithm

    文章最後完善了choi多邊形等距偏移演算法，並把本文提出的封閉曲線求交方法應用其中，用於自交點的確定。
  4. The effect of yield and grain protein content with soil water content and nitrogen ( or nitrogen and p2o5 ) was described by isopleth

    用極差變換將產量和蛋白質含量理論值標準化，其標準值曲線的交點即為二者的最佳結合點。
  5. The third section gives the essence of theory, specifying the equilibrium of urbanization economic operation. firstly, it gives definitions of " polis " and " mart ", which are two aspects of urbani

    在此基礎上，定義了由u曲線與y曲線的交點所決定的城市化經濟均衡的概念，並分析了由此表現的城市化經濟運行的均衡態。
  6. Project line vertically up to intersect with the valve characteristic curve and from this point project line horizontally across to the left of the chart and record the percentage of maximum flow rate

    畫出垂直向上的線與閥門特性曲線相交，從這個點畫水平線穿過圖表左側，記錄最大流量的百分比。
  7. ( 5 ) intersecting point distribution between every cross - section of both hull and damaged compartment under arbitrary floatation and waterline with 2d offsets is given particularly. calculation of underwater geometric properties of both hull and compartment is treated as one process, the same to calculation of ship floatation, intact stability and damaged stability

    （ 5 ）本文給出了基於剖面曲線的積分計算模型中任意浮態下的船體及破損艙的每個橫剖面與水線的交點分佈，並將完整船舶與破損艙室在任意浮態時水線下的要素計算、完整船舶與破損船舶的浮態計算與穩性計算分別統一為一個過程。
  8. The vulnerability evaluation procedure of hazus99 which is widely adopted in the united states and world wide is introduced in briefly. then the general technical frame of the first part is illuminated as follows : by means of the form of hazus99, the earthquake action is expressed by demand spectra and the capacity of buildings is described by capacity curve

    在此基礎上，本文敘述了「吸收hazus99的表達形式，以需求譜來表達地震作用、抗力曲線表達結構的抗震能力，用需求譜和抗力曲線的交點確定的譜位移和各個震害等級對應的譜位移均值和標準差一起，分別計算建築物對應各個震害等級的超越概率，獲得易損性曲線」的一套完整的技術思路。
  9. The problem is researched and the algorithm which calculates the intersection points of two graphs created by the same coefficient of the ifs is proposed. the curve described changing of the intersection points number is drawn. the conc lusion is that the curve fluctuates in the tiny range and is smooth when it is seen as a whole

    其次，針對同一ifs迭代碼兩次迭代繪制得到的分形圖並非完全相同這一問題展開研究，提出了ifs分形覆蓋相交交點變化曲線的概念，給出了覆蓋相交交點變化曲線的繪制演算法，在此基礎上進一步研究了分形覆蓋相交交點變化曲線的變化率情況，得到了分形覆蓋相交交點變化曲線宏觀上比較光滑，但實際上小范圍內異常波動的實驗結果。
  10. The author ' s work gives new way, which is beneficial to real time interaction and can efficiently reduce computing time as well as data storage amount. these algorithms can find good use in numerical machining, robotics, form - position tolerance and computer graphics. ( 3 ) degree reduction for nurbs curves and surfaces by applying the theory of the best uniform approximation of chebyshev polynomials and the explicit matrix representation of nurbs curves, this thesis centers on the research of the explicit nearly best approximation of multi - degree reduction of nurbs curves

    以上關于等距曲線的幾何逼近與代數逼近的演算法改革了當前國際圖形界只能對基曲線沿法矢方向平移定距離的點作近似逼近的固定模式，創造了利於交互操作，能有效地減少計算量及數據存儲量的新方法，可在數控加工、浙江大學碩士學位論文機器人、形位公差學、計算機圖形學中獲得很好的應用（ 3 ） nurbs曲線曲面降階應用nurbs曲線的顯式矩陣表示及chebyshev多項式逼近理論，以實現nurbs曲線顯式一次性降多階的近似最佳逼近為目標進行了研究
  11. The paper applies algebraic geometry, computational geometry, approximation theory to study the following problems : the nother type theory and the riemann - roch type theory of the piecewise algebraic curve ; the number of real intersection points of piecewise algebraic curves ; the real piecewise algebraic variety and the b - net resultant of polynomials

    本文應用代數幾何，計算幾何，函數逼近論等學科的基本理論，分別就分片代數曲線的n （ ? ） ther型與riemann - roch型定理；分片代數曲線的實交點數；實分片代數簇以及多項式的b -網結式進行研究。
  12. A variable is sampled in a certain increment, and introduced into the equations. there are two sets of any two equations to be solved. the real solutions of the two sets are protracted in spatial coordinate system to obtain two curves, so that the intersection points of the two curves can be found as the solution of the original equations

    針對所得三元高次多項式方程組，採用數學分析軟體mathematica編製程序，以一定的步長增量，在一定范圍內取一個變量的值，並將其代入方程組中，求解其中一個方程分別與另外兩個方程聯立的方程組的解，將得到的實數解繪製成兩條空間曲線，其交點即為原三元方程組的解。
  13. The algorithm of camera ' s self - calibration is always a important research domain. in this paper by taking advantage of parallel lines and orthogonal lines in architecture as usual, we can calculate the absolute conic image and vanishing points

    攝像機自標定的線性演算法一直是計算機視覺領域的研究熱點，本文利用場景中的兩兩正交三條直線，計算直線的消失點，進而線性計算絕對二次曲線的像。
  14. It presents algorithms to extract the similarity of intersect curve in different offset distance and use ttp to label the topology of surface intersect. the algorithms succeed in combination of tracing method and topology information, and present an optimized offset ssi algorithm. the optimized algorithm pre - processes surfaces to achieve ttp, and decides calculation strategy of starting points by analyzing the properties of ttp on the surface

    本文通過對等距曲面交線結構進行了大量的分析，從交線的形成和演化過程，揭示了等距曲面的交線拓撲結構和曲面上特徵點之間存在著本質的聯系，提取等距曲面不同offset距離交線環的相關性，並使用特徵點來標識交線環的拓撲信息，成功地將拓撲信息和跟蹤法相結合，設計了一種等距曲面求交優化演算法。
  15. Secondly, the problem of the curve - surface mutual transforming and smooth - finishing have been analyzed farther. for the surface intersecting problem : owing to the introduction of the boundary points, as long as the intersecting points on a certain line, the full intersecting line can be gained. the intersecting line either intersects at the boundary of the triangle surface or forms the loop ; during the course of tracking, the selecting of the pace is restricted by the curvature, the number of the gained intersecting points are not in proportion as the chord - length ; the intersecting points not only record the coordinate and store the parameter

    對兩曲面求交問題，當曲面細化足夠小時，曲面求交可近似看成曲面與平面相交問題，引進了邊界點的概念，因此只要知道交線上的任意點，就可以將跨越許多曲面片的整條交線計算出來，所求出的交線或者跨越曲面的邊界，或者形成交線環；從初始點出發跟蹤求解整條交線的過程中，步長的選擇採用了通過曲面片曲率來約束的方法，用該方法求出的交點在不同曲面片上的分佈數目不與弦長成正比；該求交方法包含了各曲面片的邊界線與交線的交點的求解，可獲得邊界交點的坐標值及其參數值。
  16. 3. by using the techniques of an explicit criterion to determine the number of real roots of a univariate polynomial in ( [ 13 ], [ 73 ] ) ; b - net form of bivariate splines function ; discriminant sequence of polynomial ( cf. [ 13 ], [ 73 ] ) and the number of sign changes in the sequence of coefficients of the highest degree terms of sturm sequence, this paper determines the number of real intersection points two piecewise algebraic curves whose common points are finite. a lower bound of the number of real intersection points is obtained in terms of method of rotation degree of vector field

    大連理工大學博士論義：分片代數價線i片代數簇的若十m穴3 ：利用楊路，張景中，侯曉榮在文獻v13 ， 73 ）中關於一元多項式實根的顯式判準，以及二元樣條函數的b網形式，多項式的判別序列和sturm序列的最高次數項系數序列的變號數，本文給出了兩個分片代數曲線的丈交點數（假設公共點是有限的）的計算公式。
  17. It would be ready for virtual manufacture of ball - end cutters. firstly, the traditional cutting - edge models with constant helix angle of ball - end cutters are analyzed and the befitting normal helix models are proposed, and helical peculiarities of them are analyzed by definition of helix angle

    首先，本文對傳統的等螺旋角的球頭立銑刀刃口曲線的模型進行了分析，建立了正交螺旋線的刃口曲線模型，並運用螺旋角的定義分析了該刃口曲線的特點。
  18. All kinds of method used around world and presented approach based on interval arithmetic and quad tree was presented

    總結了消除偏置曲線自交點的各種演算法的優缺點，提出了基於區間算術和四叉樹的演算法。
  19. Economy cycle accents the process of economic expand and economic contract appear alternatively and repeatedly. but economic fluctuation is the basic form of economic cycle, so economic cycle or economic cycle fluctuation is the state of macro economic expand and abstract appear alternatively, wave crest and trough circulates round, economic recovery and depression circulate round

    一方面，經濟波動強調的是經濟實際增長曲線與趨勢增長曲線的偏離現象，而經濟周期則指的是經濟擴張與經濟收縮交替進行、反復出現的過程，它們有著不同的側重點；另一方面，經濟周期必然是以經濟波動為基本形式的。
  20. And the balance is the stable point arrived purely by the market, which is the cross point of the demand - supply functions

    這里的均衡是指由於純市場作用的穩定點，即是市場外匯供給與市場外匯需求曲線的交點。
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