弧長 的英文怎麼說

中文拼音 [zhǎng]
弧長 英文
arc gap
  • : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  1. Method for the calculation of meridional arc length

    一種子午線弧長的計算方法
  2. Determination of length of insert transitive curve

    中插緩和曲線弧長的確定
  3. Backing weld procedure technique of all - position narrow gap and thick - walled pipe welding is developed about all - position single - pass welding section analysis, wire feeding behavior, weld arc length, welding current analysis, procedure and joint test. the achievement has general guide meaning to producing and testing all - position welder

    從單焊道全位置區段、送絲行為、焊接弧長(電壓) 、電流行為分析、工藝試驗和接頭檢驗等幾方面介紹管道全位置打底焊工藝特點,其研究成果對全位置焊接機的製造和調試具有普遍指導意義。
  4. Abstract : backing weld procedure technique of all - position narrow gap and thick - walled pipe welding is developed about all - position single - pass welding section analysis, wire feeding behavior, weld arc length, welding current analysis, procedure and joint test. the achievement has general guide meaning to producing and testing all - position welder

    文摘:從單焊道全位置區段、送絲行為、焊接弧長(電壓) 、電流行為分析、工藝試驗和接頭檢驗等幾方面介紹管道全位置打底焊工藝特點,其研究成果對全位置焊接機的製造和調試具有普遍指導意義。
  5. Abstract : based on the arc length formulae of the parallel to the easement curve and its property, this paper gives the parameter equations of the parallel to the easement curve takiing the arc length itself as variable

    文摘:基於緩和曲線平行線弧長公式及其性質,給出了緩和曲線平行線以其自身弧長為變量的參數方程。
  6. Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical

    通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電的發展過程的試驗結果進行理論分析得出:根周圍空氣的熱電離導致了電的發展,靜電場力對電的發展起到了加速作用,電擊穿僅發生在閃絡最終的跳躍階段;通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電半徑等參數,得到了不同階段電(電階段、電發展階段及完全閃絡)的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。
  7. The stability behavior of kiewitt ' s suspen - dome was analyzed on the initial state. by the geometrical nonlinear finite element method, the equilibrium path is traced using the cylindrical arc length technology and incremental newton - raphson method. the influence of kinds of parameters is studied

    採用非線性有限元理論,結合牛頓荷載增量法和柱面弧長法的跟蹤技術,對kiewitt型弦支穹頂結構進行了考慮幾何非線性的全過程分析;為了掌握各個參數對靜力穩定性的影響程度,進行了參數分析。
  8. The visual obstacle by gap joint of pieces of bent / tempered glass of general specification is removed for bent / tempered glass with extra big width and curve length to realize the ideal design of curved glass with extra big span for sightseeing balcony and elevator

    超寬、超弧長彎鋼化玻璃消除了普通規格彎鋼化玻璃拼縫對人的視覺障礙,使觀景陽臺、觀光電梯等圓玻璃超大跨度的理想設計成為現實。
  9. New solutions on inverse problem of meridian arc

    子午線弧長反問題新解
  10. This technology maintains the torch at a constant stick - out distance, so you get uniform results around the circumference of the weld

    此技術讓焊炬保持一個固定的電弧長度,使管道外焊縫有一致的品質。
  11. Abstract : with the aids of computer ' s hardware, executive mechanism of weld arc length automatic controller of all - position pipe welder and additional software, an automatic system for arc striking has been developed, in which touch - starting method using tiny current is introduced. utilizing this method, the ablation ratio of tungsten electrode and tungsten inclusion ratio of welded seam is far smaller than normal touch - starting method. and the successful ratio of arc striking is high

    文摘:用全位置自動焊管機弧長自動控制系統的計算機硬體和執行機構,僅增加部分程序,設計了採用小電流接觸引法的自動引系統,鎢極燒損和焊縫夾鎢遠小於普通的接觸引方式,引成功率很高。
  12. If the geometric hermite data is from a smooth function with the arc - length parametric, the cubic ph approximates the smooth function, the error in the approximation of a short segment of length h is found

    如果此三次ph曲線插值于以弧長為參數的某一函數曲線,則可以給出三次ph曲線逼近該一小段曲線的逼近誤差。
  13. An numerical algorithm of nearly arc - length parameterization

    近似弧長參數化的一種數值演算法
  14. Because arc length of trajectory is regarded as the variant in geodesics based method, it possesses the advantages of non - time based trajectory planning at the same time

    本文的基於測地線的軌跡規劃是以軌跡弧長作為參考變量的,因此它還具有非時間參考的機器人軌跡規劃的優點。
  15. The hardware of the system comprises the five sub - systems, i. e. welding power source, arc length controller, welding wire feeder, welding head traveller and detector. the software is composed of the off - line serving program and the on - line executing program

    此系統的硬體主要包括五個子系統,即:焊接電源、弧長控制器、送絲機構、焊矩行走機構和檢測機構;軟體包括在線執行程序和離線服務程序。
  16. The methods considering the elastoplasticity are the elastic - plastic hinge method and the pseudo load method. based on the need of non - linear analysis, researchers brought forward nonlinear calculation methods to control the iterative constringency, such as the load controlling method, the displacement controlling method, the arc length controlling method and the pseudo load method

    考慮彈塑性的分析方法有:彈性-塑性鉸法和虛擬荷載法根據非線性研究分析的需要,研究人員先後提出了:荷載控製法、位移控製法、弧長控製法和做功控製法等控制迭代收斂的非線性計算方法。
  17. The mathematic model of the ultra - thin spherical mirror is to be treated as elastic thin shell. then the predigested model, i. e., bended beam, used in qualitative analysis was proposed, and its deflection and stress formulas under the freely supported condition were set up. based on an off - axis aspherical primary mirror, the relationship of aspherical surface error ( rms ) in tangential plane with bended beam ’ s radius r, position s of concentrated load p and geometry length l of arc was analyzed

    根據這一設想,本文建立了超薄鏡的數學模型?薄殼,並提出了強制力作用下超薄鏡的簡化模型?曲梁,推導了曲梁在簡支情況下受力變形的撓度公式,並結合一個實例,計算出曲梁變形后與所需非球面的面形殘差( rms )在子午方向與曲梁弧長l 、曲梁半徑r及集中力位置s的關系及滿足面形精度的r和s范圍,分析了矢方向的rms ,得出了同時滿足子午和矢方向面形要求的l 、 r和p 。
  18. Based on whole design, this essay adopts gps technology to make the key component in taximeter - orientation module, compiles corresponding software, and makes adjustment and experiment. also it has done a profound research in district - identification arithmetic, that is improved radian arithmetic, and it is verified by matlab. we adopt anti - interference measures in both hardware and software to ensure communication reliability and working stability

    在確定總體設計方案的基礎上,本文採用gps技術研製具有區域識別功能出租車計價器中的關鍵部件? ?定位模塊,編制了相應的運行軟體,並進行了調試和試運行試驗;對區域識別演算法進行了深入研究,提出了區域識別的演算法?改進弧長法,並運用matlab軟體進行了演算法驗證;為了保證通信的可靠性和工作的穩定性,從軟、硬體兩個方面採取了抗干擾措施。
  19. Nc machining requires " interpolation " algorithms that accurately and efficiently generate sequences of reference position, distributed according to a prescribed feedrate function, along the tool paths. this paper present a systematic derivation of the proper taylor series coefficients for variable feedrate interpolators. when the path is ph curves, detailed formulations for instances are presented where the feedrate v is specified as a constant, the function of the time t, the arc length s and the local curvature k

    對于nc加工要求插值演算法沿著刀具路徑準確、有效的生成參考點序列(根據預先指定的速率函數進行分佈)的實際工程需要,本文系統地推導了變速率插值運算元的泰勒系數,給出了當路徑為ph曲線,速率v為常數,及時間t 、弧長s 、曲率k的函數時具體的插值運算元。
  20. Second, to study the whole - process behavior of the concrete structure, the arc - length method is introduced in the nonlinear analysis program

    目前,國內外對于將弧長法用於結構的幾何非線性有限元分析開展了深人廣泛的研究,並取得了滿意的成果。
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