法線速度 的英文怎麼說

中文拼音 [xiàn]
法線速度 英文
normal velocity
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • : 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...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. The sensitometer results show that no loss of relative speed occurs when using the curve-shape control addenda of this process.

    測定結果表明,當採用本方的添加劑控制曲形狀時,相對不受損失。
  2. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統研究了自主式水下航行器的建模、非性自適應滑模控制、以及深調整和水平面導引方等問題,具體成果和創新點如下1 、根據流體力學理論,建立了螺旋槳推進器的動態模型,它以螺旋槳來流v _ p和螺旋槳轉n為狀態變量,以電機施加轉矩為輸入,螺旋槳推力t和轉矩q為輸出。
  3. The inversion results of synthetic magnetotelluric sounding data are ideal, which indicates that the algorithm possesses advantages of expediting convergence, avoiding earliness and improving precision, and can be used in mt data analysis

    對各種類型的大地電磁測深理論曲進行計算,結果表明:採用實數編碼混合遺傳演算進行反演具有收斂快、解的精高和避免出現早熟等優點,可用於大地電磁資料解釋。
  4. A new model of distribution system is presented, whereby, the feeder switches are regarded as the vertcxes of a graph and the feeder lines are regarded as the arcs. the method to model distribution networks by adjacent table is put forward. therefore, storage size is reduced and calculation is speeded up

    建立了配電網的簡化模型,即將饋開關當作圖的頂點、將饋當作弧,採用等長鄰接表的數據結構來描述配電網,大大減少了佔用空間和提高了查詢,並建立了基於等長鄰接表的配電網路拓撲演算
  5. In order to improve the efficiency of classification based on feature matching, the method of azimuth estimation from sar image is studied. a method of target ' s azimuth estimation from sar image using peak featur e based on linear regression is proposed, besides goodish estimation accuracy and high computation efficiency, it can also provide the confidence interval of the estimation, which can meet the need of model - based sar atr system that uses feature very well

    為了提高基於特徵匹配的saratr系統的分類效率,論文進一步研究了sar圖像目標方位角估計方,提出了一種利用峰值特徵基於性回歸的sar目標方位角估計方,該方除了具有計算快、估計精較高的特點之外,還能在估計方位角的同時,給出該估計的置信區間,從而能更好地滿足利用特徵基於模型saratr系統的需要。
  6. In the first part, the steady nonlinear vortex lattice method is adopted to calculate the hydrodynamic characteristics of open water ichthyoid rudder, and the induced velocity of ichthyoid rudder is calculated using panel method

    本文理論計算部分,採用定常非性渦格計算魚形舵的水動力性能,用面元方計算舵流場的誘導
  7. Passive muzzle velocity measurement on spin ammunitions

    旋轉彈丸炮口直測定方研究
  8. The paper has improved the existing lifting - line and lifting - surface design method by including the rake and skew and solving the optimum circulation distribution with the optimum theory. the blade geometry is expressed with b - spline for the lift - surface method. the boundary condition on the blade is transformed to minimize the summation of the square of normal velocities, the fair blade geometry can be obtained by present technique and the design quality is better

    改進了現有的升力和升力面設計方,在升力設計中計及槳葉的縱傾和側斜的影響,用優化理論求解最佳環量分佈,升力面設計中用b樣條來擬合槳葉,將物面邊界條件轉化為求分量的平方最小,由此可得到光順的槳葉幾何形狀,提高和改進了設計質量。
  9. The algorithm can be applied to connection routing in pcbs with various pad geometry and pad sizes, with different wire widths and variable distances between wires. the basic element in routing is the search line with a given destination. the main features of the router are the target orientation of the search lines, the routing efficiency is guaranteed by rationally designed data structures and by the ability of searching around obstacles, the small amount of working storage and the reasonably short routing time

    該布演算適用於焊盤外形尺寸不一,寬及間距離可變的印刷電路板布,其基本要素是帶有預定終點的探索,特點是探索具有目標針對性,設計合理的數據結構及靈活的繞障探索方式可大大提高搜索效率,所需存儲量小,布快。
  10. The speed chain computing of the tread extruding line is not only the representation of highly demand for control harmony, but also one of the most difficult practical control problems. the dissertation adopts a fuzzy pid parameter self - adaptive algorithm to tune the pid parameters on line according to the different demand for pid parameters at different response phases, and it has improved the control effect significantly of speed matching among different drives

    論文在聯動鏈整定計算中應用了一種模糊pid參數自整定演算,根據控制系統在響應的不同階段對p 、 i 、 d三個參數的不同要求在整定計算pid參數,顯著地改善了聯動電機匹配的實際控制效果。
  11. Aiming at the working condition and object of the 9gscc - 1. 4 sunken - plantharvesting equipment, resistances of ship body and cutting fram were analyzedby means of theory of hydromechanics and traction force of the chain - type convegor were done also by means ofcalculation of tension. power equation of the equipment, which relates to the implement ' s forward speed vm, chain - type convegor ' s linear velocity vs and cutting frame ' s angle of dip, was attained. this paper established a mathematical model for power consumption as objective function, based on thefundamental, structural dimensionof the equipment

    本文根據9gscc - 1 . 4型水草收割機的工作原理及其主要結構尺寸,針對收割機的工作條件和工作對象的特性,應用流體力學理論分析計算船體及切割撿拾架的工作阻力,並用逐點張力計算輸送鏈的牽引力,得出整機消耗功率與機組工作vm 、輸送鏈vs及切割架入水角之間的關系式。
  12. The fixed - point dsp program is given which are based on the analysis in the feather of the video signal and the 16 - bit fixed - point dsp - - tms320c5402. at last, the result and quantity of calculation are analyzed to prove that the speed and precision of calculation are matched to the system requirement

    在深入分析了性調頻脈沖壓縮信號產生過程和特性的基礎上,結合16位定點dsp ? ? tms320c5402的硬體結構和指令系統的特點,編寫了定點dsp程序,並對程序的計算量和計算結果進行了分析,表明演算和精都可以滿足系統的要求。
  13. Above all, the system has some advantages such as high compute precision, high speed and suited for large structure analysis. during the process of the system researching, a new mesh approach based on advancing front technique for triangle elements was studied. a practical method of generating hexahedron mesh for cellular element method through transfering lines into volumes was worked out

    在軟體研製過程中,提出一種基於前沿生成快、穩定性好的平面元胞元網格自動生成方和三維六面體網格的段轉換;根據元胞元模型的特點,提出一種穩健性較好的三維元胞元模型消隱方;通過對應力圖生成技術的研究,提出一種對等值、色帶圖、濃淡圖均適用的應力圖快生成演算
  14. At last, pointing to the temporal characteristics and the spectral characteristics, this paper discussed the methods for estimating the maximal line velocity ( vmax ) and the glint periods ( tp ) of the hovering helicopter, and then fulfilled the recognition of hovering helicopter using these two message. in chapter 5, the summary of all the works in the paper and related conlusions are presented, and the defects are analized at last, at last this paper demonstrated the d

    最後,本文針對懸停直升機旋翼回波的時頻域特點,探討了從回波信號中提取旋翼回波最大v和旋翼回波閃爍周期tp的方,在綜合利用這兩種信息的基礎上完成了彈載高重頻脈沖多普勒體制雷達對懸停直升機回波信號的識別。
  15. An effective discritized scheme based on staggered grids is provided by deeply studying the construction and implementation of difference scheme on non - uniform and staggered grids. coupling of velocity and pressure is solved by simple method ; the boundary conditions and relations of velocity and pressure are analyzed in details

    深入研究交錯非均勻網格的差分方案的構造與實施,基於交錯網格提出了有效離散格式;採用simple演算壓力關系解耦,列舉幾種代數方程的求解辦,分析並闡述了逐鬆弛技術。
  16. The varieties of interior parameter and exterior load disturbance and the presence of saturation nonlinear have great influence on the dynamic process and tracking effect of the system, so there are practical meanings and theory values to apply robust control methods to speed system. the development and status quo of robust control theory is summarized

    由於系統內部參數的變化、飽和非性的存在及外界負載擾動的變化對軋機系統的動態過程及跟蹤效果有較大的影響,因此,本文應用魯棒控制方系統進行控制研究,具有較大的實際意義和理論價值。
  17. The necessary and sufficient conditions for the input angle to be rotatable angle of n - bar linkages and the rotatability of five - bar are firstly proved according to the theory of n - bar linkages. then we conclude the five - bar ' s classification and the gear ratio and phase angle in each classification to be full rotatability. according to the algorithm, with the tool of visual c + + 6. 0, 1 developed a set of intelligent software to dynamically create geared five - bar ' s locus curves and velocity and acceleration curves, achieve the visualized input

    根據該條件所得到的演算,以windows為平臺,以面向對象的visualc + + 6 . 0為開發工具,開發了一套智能化的齒輪?五桿機構的軌跡生成軟體系統,實現了機構參數的可視化輸入、機構的軌跡曲和加的動態生成,從而實現了齒輪?五桿機構軌跡曲的動態模擬。
  18. Research and application of technical and economical analysis method in passenger special line targeted speed

    客運專目標值的技術經濟分析方與應用
  19. The second time development of siemens 840d oem software is done and the hmi for cnc camshaft grinding is established. based on the theory of interpolation together with the geometry character of camshaft, this thesis deduces the camshaft interpolation algrism and analyses the error, while at the same time some research of the constant linear speed grinding for camshaft is done to meet the requirements of high precision and high efficiency

    本文對西門子840doem軟體進行了二次開發,建立了全數控凸輪軸磨削人機界面。根據插補演算的原理並結合凸輪軸的幾何特性,本文推導了凸輪軸磨削插補演算並進行了插補誤差分析,同時又對凸輪軸恆磨削數學模型進行了研究,完成了凸輪軸磨削的軟體演算以滿足高精、高效率的凸輪軸磨削要求。
  20. The grid velocity is obtained by using both of so - called laplace and velocity relaxation methods, and rezone is automatically done. the remap of state variables is calculated with both of donor cell and linear interpolation method

    採用laplace反演方鬆弛計算網格,實現了網格的自動重分,採用貢獻網格性插值完成輸運計算。
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