arc length 中文意思是什麼
arc length
解釋
電弧長度/弧長-
Method for the calculation of meridional arc length
一種子午線弧長的計算方法 -
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。 -
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。 -
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。 -
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。 -
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弧法的自動引弧系統，鎢極燒損和焊縫夾鎢遠小於普通的接觸引弧方式，引弧成功率很高。 -
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。 -
An numerical algorithm of nearly arc - length parameterization
近似弧長參數化的一種數值演算法 -
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。 -
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。 -
For the welding voltage doesn ' t change, so the arc length also will not change, and the arc will penetrate into the molten puddle, which will make the swing range small, so the fusion width will decrease
由於電壓沒有改變，所以弧廠也不變，導致電弧潛入熔池，使電弧擺動范圍縮小，就是促使容熔寬減小。 -
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。 -
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。 -
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。 -
An inner iterative incremental displcacement procedure on the basis of the harmonization of the deformation amid the displacement function, and an inner iterative incremental load procedure cmi the basis of tile dispacement function and the improved arc - length method are proposed
本文提出了基於變形協調與位移模式的內迭代位移增量法與基於位移模式和改進弧長法的內迭代荷載增量法。 -
Since the arc - length method can be used to calculate the critical load in engineering stability analysis, the method is discussed and applied in this thesis. four numerical examples are presented to show the good performance of the proposed numerical procedure
由於弧長法可以計算出臨界狀態的荷載值，因此本文在計算中討論了弧長控製法的基本原理及具體實施，並應用於工程穩定性分析。 -
The increment - iteration solution strategy is adopted in the nonlinear finite element analysis. arc - length method and the incremental plastic reversibility procedure are used to find the complete load - deflection curve and deal with elastic unloading occurring in elasto - plastic analysis
有限元分析中採用增量?迭代方法，結合弧長法和塑性增量可逆的假定，可以計算出完整的荷載位移曲線，並考慮彈塑性問題中可能出現的彈性卸載問題。 -
On the basis of the basic theories and methods about stability analyses, arc - length method is used to analyze the geometrical nonlinear stability of the structure. and the effects of the rise - to - span ratio and the prestress in cables etc. on the structural stability are discussed
本文在介紹了結構穩定分析理論和方法的基礎上，採用弧長法解算了環狀索桿結構的幾何非線性穩定性問題，並研究了矢跨比、預應力等結構參數對其穩定性的影響。 -
Based on analysis for vacuum arc remelting process and according to actual melting condition, some partial strategies which is helpful for control of melting aim were presented, for example, arc length control, melting speed control, decouple control and so on
摘要通過對真空電弧重熔爐工藝過程的分析，根據冶煉實際情況，提出了一些有助於控制冶煉目標的局部策略，如弧長控制、熔速控制、解耦控制等。 -
Pythagorean hodographs exhibit remarkably attractive properties for practical use. for example, their arc length is expressive as a polynomial function of the parameter, and their offsets are rational curves
Ph曲線呈現出非常優良的實際應用價值，例如它的弧長可表示為曲線參數的一個多項式函數，其等距線是有理的。
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