curve generating 中文意思是什麼

curve generating 解釋
球面磨削
  • curve : n 1 曲線;彎曲;彎曲物。2 曲線規 (=French curve);【機械工程】曲線板;【棒球】曲線球;【統計學...
  • generating : 發電;發生;滾銑法;產生的
  1. Since pixel - level contrapose pixel coordinate, trigonometric function must be used to translate polar coordinates to pixel coordinate when the curve is described by polar coordinate. so research is very little on algorithms for generating this sort of curve by now

    由於逐點是針對象素坐標系而言,而對極坐標系下描述的曲線,在轉換到象素坐標系時要用到三角函數運算,因此目前很少提到對極坐標曲線生成演算法的研究。
  2. New method for auto - generating curve contour character

    一種新的曲線字庫自動生成方法
  3. Another algorithm is based on pixels : sample many points along the curve, round them to the nearest integer and set each pixel the computed point falls in. although this algorithm uses integer arithmetic, it provides the smooth curve possible at the expense of computation time as many points have to be computed to ensure that no gaps are created along the curve. furthermore these two algorithms we mentioned above is appropriate for low degree parametric curves, for high degree parametric curves, we usually approach them by using low degree rational parametric curves, the generating curve ' s fairness property is not very good

    我們知道當節點矢量的兩端節點均為k重節點且無內節點時, b樣條基函數退化為bemstein多項式,因此該生成演算法還可推廣到b能ier曲線中,具有廣泛的應用價值、同樣地,在cad和cagd中,有理b樣條曲線,特別是非均勻有理b樣條曲線( nurbs )已經成為曲線曲面設計中最廣為流行的技術,然而對這些曲線目前也尚無很好的曲線生成演算法,因此有理b樣條曲線的生成演算法無疑有著更重要的意義
  4. As the foundation of computer - aided geometric design ( cagd ), it is important to improve the way of the generating algorithms for curve and surfaces

    系統地討論了曲線曲面的逐點生成演算法,介紹了直線的一般生成演算法及該演算法的推廣演算法,並對其進行了改進。
  5. The relations between the dummy stress amplitude and fatigue life can be easily developed. and then, the bhw - 35 steel fatigue design curve can be obtained according with asme criterion and bs5500 criterion. compared ~ vith the design curves provided by the asme and bs5500 criterion, the curve got in this paper provides reliable direction for the fatigue design of boiler drum, which used on the altering generating power plant set

    將焊縫材料的虛擬應力幅與壽命關系,按照asme和bs5500規范的方法分析得到bhw ? 35鋼疲勞設計曲線,並與asme和bs5500規范中的設計曲線進行比較,為我國調峰機組410t / h鍋爐汽包疲勞設計提供可靠的實際依據。
  6. In this paper, subjects mainly focused are as follows : to meet with the requirement of forward business and the establishment of mid - long term generation planning of hydroelectric plant, the yearly runoff and the monthly runoff are studied in this paper, providing many kinds models that suited to min - long term runoff forecast, including the time series analysis, the nearest neighbor bootstrap regressive model, the grey topological model, recession curve model, threshold auto regression, mean generating function, and ann model etc. the forecast result proves that these models are useful

    本文從以下幾方面進行了較為深入的研究: ( 1 )為了滿足水電廠的期貨交易及編制水電站中長期發電計劃的需要,本文對年、月徑流預測進行了研究,提出了徑流中長期預測模型,包括:時間序列模型、最近鄰抽樣回歸模型、灰色拓撲預測、退水曲線模型、門限自回歸模型、均生函數模型及神經網路模型等,從預測成果來看,效果較好。
  7. Quantity of generating electricity should be also calculated while the river inflow, quantity of water transfer and its duration curve are taken into account. as a company, it is necessary to take a series of measures to increase its benefits while water transfer leads to the decrease of hydro power inevitablly. the efficient methods can be taken into account as follows : i ) to improve the forecast accuracy, to decrease surplus water, and to increase seasonal electricity energy, ii ) to raise the peaking ability of dan jiang kou power station to obtain peaking benefits, iii ) to choose a suitable site to construct a pumped storage plant for peaking benefits

    在進行以上四方面內容深入探討的基礎上,論文針對丹江口水利樞紐運行任務、運行方式的重大變化,提出漢江集團應採取以下因應措施以適應企業產業結構的調整,這些措施包括:準確計算發電效益減少值;合理地核算水源的供水成本;以上述兩項計算成果為基礎,核算企業結構調整后總效益變化量;提高預報水平,減少棄水量,爭取增發季節性電能;研究新的調度方式,提高電站調峰能力,提高電站的容量效益;在適當的地點修建抽水蓄能電站,提高電站的調峰能力。
  8. Exploiting the long jump technique parameter and treading strength in the planting step - time curve, and analyzing the kinematics and dynamics reasons for the loss of approach velocity, taking - off rapid supporting and stretching in the generating mechanism of vertical velocity during long jump take - off, the essay puts forward a new view of generating vertical velocity and offers a new thought for creating training of long jump

    摘要利用世界優秀運動員的跳遠技術參數和跳遠踏跳階段踏跳力時間曲線,剖析助跑速度損失量、起跳快速支撐和蹬伸在跳遠起跳垂直速度的生成機制中的運動學和動力學原因,對跳遠垂直速度生成提出了新的見解,並為創新跳遠訓練提供了一條新的思路。
  9. The paper expounds the algorithms of generating quadratic curve. using quadratic curve and cubic bezier curve enforces the smooth of curves

    論文闡述了幾種二次曲線生成演算法;說明如何應用二次曲線和三次bezier曲線擬合改善曲線的光滑性。
  10. Paper [ 76 ] provides a integer algorithm for rasterizing free curves, we need change the curve form to implicit function form, then use curve ' s positive - negative property to draw, but we ca n ' t use this algorithm when curve ' s degree is higher than 3 and this algorithm ca n ' t avoid using multiplication ; paper [ 77 ] provides a new generating algorithm, this algorithm can draw bezier very well, but for b - spline curve, we need use convert them into bernstein base form. because this process spends a lot of time, this algorithm has not a good speed and effect for rendering rational b - spline curve

    現在經常採用的演算法也是基於幾何的演算法(即線式生成演算法)和基於像素的演算法(點式生成演算法) ;文獻78 ]提供了一種有理參數曲線的快速逐點生成演算法,該演算法對有理b吮ier曲線的繪制,能起到很好的作用,但是對于有理b樣條曲線,必須先通過多項式的代數基與bemstein基間的變換矩陣,把原式用bemstein基表示,這一過程由於計算量大,降低了曲線生成的速度和效率
  11. The physical process of generating quasi - isentropic compression on target via flier - plates with graded wave impedance might be considered as the successive overlap of a series of small shock loading waves generated by the transition layers in the flier - plate. as a result, the p - v curve of the target was a quasi - isentropic compression curve, which consisted of small hugoniot curves ( similar to isentropic curves ) from different original states, and was located between the hungoniot curve and isentropic curve but closer to the latter

    波阻抗梯度飛片對靶板的壓縮過程是一系列弱沖擊加載波相繼發生作用疊加的結果,靶板由此獲得的p - v線是一組通過不同起始狀態點的hugoniot線的連線,這條連線可以近似看作是由小段小段等熵線連接而成的準等熵線。
  12. This paper researches the basic algorithms of computer graphics including the algorithms of an efficient algorithm for polygon clipping and pixel - level algorithm for generating archimedes and ivolute curve

    本文的工作是對計算機圖形學中的基礎演算法進行研究。包括一個有效的多邊形裁剪演算法,以及阿基米德曲線及圓的漸開線的逐點生成演算法。
  13. ( 2 ) a fast direct point - by - point generating algorithm for b spline curve

    B樣條曲線的快速生成演算法研究。
  14. This paper presents a fast direct point - by - point generating algorithm for b spline curve. this algorithm need not matrix

    該曲線是於1962年b能ier提出的一種以逼近為基礎的曲線,通過berstein多項式而得到
  15. Therefore, proto - northeast electric manage department worked out a power dispatch curve examinational ways toward each subordinate power plant. in each quarter they make a reactive dispatch curve examinational fingerpost definitely, demand each power plant run in prescript generating power and voltage

    因此,原東北電業管理局向各直屬發電廠制定了無功調度曲線考核辦法,每季度都明確下達一次各發電廠的無功調度曲線考核指標,要求各發電廠在規定的發電力率和電壓下運行。
  16. Based on analyzing the characters of equal value curve, thispaper discussed how to trace for an equal value curve and its generating algorithm. later, we applied it in environment impact simulation which gave support to decision making for environment engineering

    結合等值線的特性深入討論了等值線追蹤原理和生成演算法,並將其應用到環境影響模擬評價中,為環境工程的決策提供支持。
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