速距曲線 的英文怎麼說

中文拼音 [xiàn]
速距曲線 英文
velocity-distance curve
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  • : 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...
  • : 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. In course of auto - focusing, the paper takes the sum of the square of gray difference as focal distance evaluation function to decided that image is in focus or not quickly and put forward an effective auto - focus searching way based on threshold value and curve fitting. these improve speed and precision of auto - focusing

    在自動聚焦過程中,論文採用了圖象的灰度差分的絕對值之和的平方作為焦評價函數,解決了是否正確聚焦的快判斷問題;採用了一種行之有效的基於閾值和擬合的自動聚焦搜索方式,使聚焦度和精度都得到了很大的提高。
  2. The laser radar sub - system determines the heights of the tsp according to the slant height and the oblique angle measured by the laser range finder and the electronic theodolite simultaneously. by lucubrating the motion law of tsp, we decided to compute decent velocities with least - squares procedure & two ranks curve fitting

    地面激光雷達跟蹤測量分系統根據測量到的斜離和俯仰角確定末敏彈傘彈系統的高度,在深入研究末敏彈穩態掃描過程的運動規律后,通過最小二乘法的二階分段擬合,計算出落
  3. ( 2 ) offset approximation for bezier curves the problem of parametric speed approximation of a curve is raised. the author points out that the crux of offset curve approximation lies in the approximation of parametric speed

    ( 2 )等逼近( offset )提出了參數度逼近問題,指出等逼近問題的關鍵在於參數度的逼近
  4. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整和短時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉隨時間變化圖,利用單極性霍爾元件測定轉並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。
  5. In this paper, the practical data is analysed and get a good effect. it proves that it is vailed for vti layers using the approximation moveout formula in this paper. this method has a good foreground

    本文還結合實際資料進行了分析,取得了較好的效果,說明了用本文建立時擬合公式進行橫向各向同性介質多波度分析是可行的,且具有廣闊的發展前景。
  6. So when the layers have the anisotropic properties, seismic wave " s velocity and moveout will become complex. it needs to acquire the anisotropic moveout formulas and the connection of layers parameters with velocity. then using multi - wave information sufficiently to analyse the seismic data

    因此,在地層存在各向異性時,使地震波度和時變得很復雜,需要求取各向異性的時擬合公式和分析地層參數與度的關系,從而更充分的利用多波信息進行各向異性介質的分析處理。
  7. He finds the pitch range after calculated the three important parameters through the bladed for windows software, then presents an optimized control strategy that regulate the pitch angle in terms of the wind speed. it must control the output power because the variational output power brings the variational loads. he confirms and optimizes the control strategy that the output power is the control target, the output power is divided into three parts

    將功率作為系統控制的目標,將功率分成三段進行控制,在低風區,載荷是有限的,以功率最大化作為控制目標;在額定風附近,由於處在升力斜率的變化點,功率變化較大,應盡快調整槳角進入失區工作,減少載荷的波動,該額定風區的上下工作點要通過現場試驗的手段來確定;在額定風以上,使功率維持在額定輸出,減少功率波動,並通過bladed軟體的模擬計算對控制策略進行了驗證。
  8. Simple genetic algorithm gets local minimization too easily and converges slowly. to solve these problems, adaptive crossover rate that has reverse hyperbolic rel ation with the numbers of iteration is designed, and adaptive mutation rate that has reverse proportion to the distances of parents and reverse exponential relat ion to the numbers of iteration is put forward. the practical simulation results show that the adaptive ga has greater convergence speed and larger probability o f getting the best solution

    簡單遺傳演算法存在著收斂度慢、易陷入局部極小等缺陷.針對這些缺陷,本文設計出隨相對遺傳代數呈雙下降的自適應交換率,並提出與父串間的相對歐氏離成反比、隨相對遺傳代數指數下降的自適應變異率.實例驗證表明,具有自適應交換率和變異率的遺傳演算法在收斂度和獲得全局最優解的概率兩個方面都有很大的提高
  9. The parametric speed of the curve is firstly approximated by the bezier polynomial which takes the lengths of control polygon ' s edges of the direction curve of normal as bezier coordinates. then the corresponding geometric offset approximation algorithm is given. moreover, an offset approximation with high precision is obtained by degree elevation of the direction curve of normal

    首先利用以法矢方向的控制多邊形邊長為b zier縱標的b zier多項式來逼近的參數度,給出了相應的幾何等逼近演算法,進一步結合法矢方向的升階獲得了高精度逼近
  10. Among railway line ' s plane design parameter, the minimum radius of curve, transition curve ' s type and length, straight line between two curves, centre - to - centre distance of track are key factors which confine railway to bringing up speed, moreover these factors among maglev railway request even more strict

    由於高磁懸浮鐵路採用了非接觸式的行車技術,舒適性將得到很好的改善。鐵路路平面設計參數中,最小半徑、緩和長度、夾直長度、離是限制列車度的關鍵因素,高磁浮鐵路同樣如此。
  11. After giving the legendre polynomials approximation to parametric speed of the curve, the author gives the jacobi polynomials approximation to parametric speed with endpoints interpolation. from this, two algebraic offset approximation algorithms, which preserve the direction of normal, are derived

    給出了參數度的legendre多項式逼近,進一步給出了參數度的插值區間端點的jacobi多項式逼近,由此導出了保持法矢平移方向的兩個等代數有理逼近演算法
  12. Two transducers b and c, which record the time when the shock wave front arrives, are placed on both sides of location ( a ) with equal distance, the average shock wave speed at location ( a ) can be calculated from the distance b to c and the time that the shock wave needs to travel from b to c. all the tested signals are stored on a pint - sized system of independent function

    同時測測壓的方法是指在測取沖擊波壓力-時間的同時,在被測點前後等離處分別安裝壓力傳感器,記錄沖擊波上升前沿到達的時刻,通過時間差來獲取被測點處沖擊波的平均度。所有的測試信號都被記錄在同一個小型的、能獨立工作的測試系統中。
  13. Based on the resolving algorithm of continuous - layer method, the time order analyzing curves, acceleration curves and the response spectra of transfer function at the different points of the ground and at the same point on the different ground conditions are gained. it demonstrates that the responses of ground in x, y and z axial directions all change by time, and the obvious wave propagation appears in ground. for different observing points on the same ground condition, at more distant points from the load line, the less swings are found, that is to say, vibration possesses the obvious characteristic of attenuation

    基於分層法的解析演算法,得到了在不同點以及在同一點但不同地質條件下的時程分析、加度變化和傳遞函數反應譜,結果表明,地基土在x 、 y 、 z三個方向的響應都是隨時間變化的,並且伴隨有明顯的波動現象產生;對于相同地質條件的不同觀察點,離荷載作用越遠的地方振幅越小,即振動具有明顯的衰減性。
  14. 4. through our research, the whole measuring scheme is finalized for pulse - counting method with analog intervene chosen to measure distance, the differential coefficient method based on the least - squares curve fitting based on power functions chosen to measure velocity and qd optical spot location method chosen to measure angle

    4 .通過研究,最終確定了以模擬插入脈沖計數法測,冪函數族基最小二乘擬合微分法測,四象限探測器( qd )光斑定位法測角的脈沖激光雷達整體測量方案。
  15. Auto - measure the distance from each floor throgh self - studing function ; control the converter using speed curve to park directly with great acuracy

    可通過變頻器自學習運行,自動測定各層樓離通過計算控制變頻器運行,實現直接停靠,具有高定位精度
  16. A new data storage structure is designed to resolve the difficulty in arrangement of unorderly intersection points and accelerate the measuring process during curvilinear distance between two points measuring

    本文在實現空間兩點間離的測量時,設計了一種新的數據存貯結構,解決了雜亂交點的排序這一難題,提高了測量度。
  17. The main contents are listed as follows : some key technologies like curved discretization and contour offset are lucubrated ; aimed at the single shaped blanking, the arithmetic of single row and pair - wise double row are designed ; in order to make the layout efficient, some optimizing strategies are also brought forward

    以「基於知識的型號工程模具快設計與管理系統」中的排樣模塊為依託,主要工作如下:研究並解決了優化排樣過程中的核心技術,如離散化、圖形等放大等;設計了同類零件普通單排和對頭雙排演算法;為了提高排樣效率,還有針對性的提出了多種快尋優策略。
  18. The precise of velocity analysis is controlled by the approximation formulas of moveout curve and the analysis method

    決定度分析的精度的主要方面有時擬合公式的精度和度分析的具體實現步驟。
  19. To make a rotation curve one calculates the rotational velocity of stars along the length of a galaxy by measuring their doppler shifts, and then plots this quantity versus their respective distance away from the galactic center

    沿著銀河的長度通過測量它們的多普勒變換計算星系的旋轉度的旋轉,然後繪出它們分別遠離銀河中心的離。
  20. This paper takes the sum of the square of gray difference as the criteria of evaluation function which image is or not focused and takes an effective searching way of autofocusing based on threshold value and curve fitting. this way enhances effectively speed and precision of autofocusing

    在自動聚焦過程中,本論文採用了圖像的灰度差分的平方和作為焦評價函數,解決了自動聚焦過程中是否正確聚焦的判斷問題;提出了一種行之有效的基於閾值和擬合的自動聚焦搜索方式,使聚焦度和精度都得到了很大的提高。
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