曲線曲率 的英文怎麼說

中文拼音 [qūxiànqūlǜ]
曲線曲率 英文
curvature of curve
  • 曲 : 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...
  • 線 : 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...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. The waves should be sheared waves for the anisotropic aeo device and longitudinal waves for the isotropic aeo device. geometrical relationships of anisotropic acousto - optic effect in ln crystal and kdp crystals are studied by tangent - match condition. curves of incident angle vs. abaxial angle, diffractive angle vs. abaxial angle, extreme frequency vs. abaxial angle and acousto - optic merit vs. incident angle vs. abaxial angle are systematically gained and the design parameters are also calculated

    利用相切-匹配條件法研究了鈮酸鋰晶體及kdp晶體的反常聲光互作用幾何關系，系統地得到了以離軸角為自變量的各參數的計算公式及相應的關系曲線，通過數值分析方法給出了聲光優值隨中心頻率的變化曲線並給出了器件的設計參數。
  2. It makes sampling data regularized by means of man - machine interactive mode and procedure method, respectively. the driven data of the cutter guide is generated, which is based on sampling data processed. it proposes an intelligent data reduction algorithm which bases on the combination of straightness of curves, equidistance and distance deviation principle

    首先採集並分析了內輪廓數據，分別運用程序處理方式和人機交互方式實現采樣數據點的規則化處理;根據處理后的測點數據生成磨頭驅動數據;並提出了一種基於曲線曲率、等距及距離偏差帶的自適應數據壓縮方法。
  3. 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，在低風速區，載荷是有限的，以功率最大化作為控制目標；在額定風速附近，由於處在升力曲線斜率的變化點，功率變化較大，應盡快調整槳距角進入失速區工作，減少載荷的波動，該額定風速區的上下工作點要通過現場試驗的手段來確定；在額定風速以上，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。
  4. Correction for meridian curvature correction

    子午線曲率改正
  5. In the paper, based on the method of low pair replacing with high pair, the problem of cam design was transferred to that of linkage design. by means of rotary unit vectors, the equations of displacement, velocity and acceleration of the replacement mechanisms were developed. and then, the virtual linkage ' s length and direction were deduced

    論文基於高副低代原理，將平面凸輪機構設計與再現函數的平面連桿機構設計統一為同一種方法，運用圓向量函數建立代換機構的位移、速度、加速度矢量方程式，求取虛擬連桿桿長和方向，由此展開凸輪理論廓線、實際廓線、曲率半徑和壓力角的求解，並得出用圓形刀具加工凸輪時刀具中心的軌跡方程。
  6. We have more important significance studying quadratic rational b - spline curve ' s curvature monotony. this paper derive the curvature monotony condition for the quadratic rational b spline curves by using the skew coordinate system that can reduces the calculation process. and the curvature monotony condition is compared to the quadratic rational bezier curves "

    本論文通過建立斜坐標系，簡化了計算過程，推導出了二次有理b樣條曲線曲率單調充要條件，並與二次有理b zier曲線的曲率單調條件相比較，結果表明：二次有理b樣條曲線曲率單調的充要條件與二次有理b zier樣條曲線相類似，但其條件又有不同。
  7. In general, the upward amplitude curve " curvature is larger, and it changes quicker. on the contrary, the downward is smaller and slower ; because the flare force contains the square of the wave elevation velocity, it results in an difference between the flare force frequence and the associated moving frequence ; the flare force decreases the downward amplitude of heaving oscillations ; the speed of ship has an ignorant effect on the peak values of three calculated values, but there is an obvious effect on the oscillating frequence ; the wave amplitude has an effect on the ship motion, and there is an linear relation between the oscillating amplitude and the wave amplitude on the whole. by the way, there are some experiences and lessons according to the progress calculation : before the calculation of the ship motion, we should checkout the balance in a calm water firstly, namely, the whole displace of ship and the longitudinal position of the center of gravity must be consistent with the draft in calm water, or else, the calculation may show the " floating " phenomenon ; the mixed language programming has a lot of virtues, but it exists a fatal limitation - the debug of dll

    研究表明：在某些頻率范圍內相關水動力系數基本不隨吃水變化，只有超過某一頻率后水動力系數的值才會出現差異；在橫搖方向，水動力系數並沒有隨著吃水的變化發生規則變化，而是出現了波動現象；近船首剖面的水動力系數計算表明，水動力系數的波動非常大，並遠遠偏離了平均位置的水動力系數值，值的變化速率也不盡相同，總的看來，上振幅曲線曲率較大，變化較快，下振幅曲線曲率較小，變化較慢；外飄力和波面運動的速度的平方項有關，導致其振動頻率和相應運動方向的頻率不同；外飄力使升沉向下運動的幅值減小；船速對三個計算量的峰值影響甚微，但對振動頻率有明顯影響；波幅對船舶運動的影響是明顯的，船舶運動的幅值基本上和波幅成線性關系。
  8. 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。
  9. In the elastic term, the two load - displacement curves slope are similar, the new structure s slope is more greatly. stiffness is better than the traditional structure. but the new joint s crack load is littleer

    在彈性階段兩者的荷載-位移曲線斜率相差不多，而且新的連接形式斜率還大一些，它的剛度較傳統連接形式要好，但新的連接形式樓板開裂荷載稍偏低，應採取加強措施來提高開裂荷載。
  10. The multi - stage axial compressor performance was measured using a streamline curvature method based on two - dimension ( axisymmetric ) mathematical model

    摘要採用二維（軸對稱）數學模型，應用流線曲率法求解多級軸流壓氣機特性。
  11. The main object of this paper is to design a diagonal impeller, which requires small size and high rotating speed. the first step of the design is to solve the radial equilibrium equations on the s2 stream surface. second, the blades designed according to the results of the first step

    方案計算是為二維設計做基礎；二維設計是在s2流面內用流線曲率法求解完全徑向平衡方程，利用流場計算的結果來初步判斷設計的工程合理性；葉片造型利用s2流場的計算結果，近似沿著氣流流面進行造型。
  12. Control of the slope of standard curve in spectrophotometry

    淺談分光光度法標準曲線斜率的控制
  13. The tail lift curve slope as determined from the panel model may require adjustment in order to apply the test results.

    為了應用試驗結果，根據翼段模型試驗確定的平尾升力曲線斜率可能要作些修正。
  14. Automatic slope control. a device which automatically changes the slope of an amplifier ' s curve to compensate for temperature changes

    自動斜率控制。自動改變放大器曲線斜率以補償溫度變化的一種設備。
  15. Three - phase full bridge controlled rectifier, filter circuit and the common loads " mathematics models are built and analyzed. according to the rate of the transition process, the controlled rectification power supply can be classified into fast response and slow response. based on identification of the transition processes using the slope method, the different fuzzy control strategy is adopted. the control method can meet the requirements of real time control and non - error regulation. the simulation results verify its practibility. after that. the design scheme based on dsp is introduced including the design of hardware and software flow chart. emc is an important aspect which can not neglected, so the designs of emc are summarized including hardware and software

    根據過渡過程的快慢將可控整流電源系統分為快響應過程和慢響應過程，本文在利用響應曲線斜率法辨以過渡過程的基礎上，分別針對快響應過程和慢響應過程採取了相應的模糊控制策略，以滿足快響應過程要求實時控制，快速跟蹤誤差變化，慢響應過程要求精確定位，無差調節的要求，模擬結果驗證了該方法的有效性，進而分析了用dsp實現該調節器的硬體電路和軟體流程的設計思路。
  16. By the reason of characteristic on statistics of images, we gave a face searching and locating algorithm based on the second derivatives operator. we obtain the position of face by calculating the change of projection curve using the second operator

    該方法計算人臉在兩個投影方向上的統計特徵，使用二階微商運算元估計投影曲線斜率的變化，進而找出人臉的外接矩形，判斷頭部在圖象中的位置。
  17. This paper focuses on the research of fuzzy control, especially rule self - adjusting fuzzy control method. by theoretic analysis and simulations, the influences of parameters and system performance characteristic of some kinds of rule on - line self - regulating fuzzy control methods are discussed, and a novel real - time self - adjusting fuzzy control method ( vsrsafc ) is proposed from the diagrammatic point of view. in vsrsafc, the slope of the rectifying curve of rule scaling factor a is altered by the fine - tuning and coarse tuning combined mechanism to adjust the fuzzy control rules according to error e and error change ec, which more coincides with characteristic of system response than the conventional self - adjusting method that adjusts rule scaling factor only according to the error e, and has better static and dynamic performances than the latter

    其中變斜率規則自調整模糊控制的效果較為明顯，它是基於插值的非線性規則自調整模糊控制的引申以及常規全論域規則自調整模糊控制的改進，該方法採用粗、細調結合機制，通過改變規則調整因子的修正曲線斜率，使系統同時根據誤差e以及誤差變化ec在線調整模糊控制規則，比傳統的僅基於系統誤差e的自調整方法更符合系統響應特性，可獲得更好的動靜態控制性能，特別是對于系統參數發生改變、控制參數選取不當等不良狀況，控制器仍能較快自調整，具有較強的在線自適應能力。
  18. The methods that represent geometry elements such as line, circle and arc, plan, cylinder, cone and sphere in nurbs form are studied. meanwhile, the calculating process that interpose to nurbs curve and surface are advanced. to the processed surface, the paper brings forward a method to distill its character ( plan, cylinder and sphere ) by the main curvature of surface using its local differential coefficient geometry characteristic

    對nurbs的直線、圓和圓弧、平面、柱面和球面等的表示方法作了理論研究，同時對nurbs曲線曲面的進行插值的計算，插值后的nurbs曲面，利用其表面局部微分幾何特性，提出依據曲面的主曲率來提取特徵面（平面、柱面和球面）的方法。
  19. The formula is after confirming the values of parameters of the formula, we can calculate the slopes of bidding curve through the formula

    通過確定各參數的數值，運用該公式計算報價曲線斜率，進而構造報價曲線，得到報價方案。
  20. In mature power market phase, this paper establishes mathematic model aiming at maximum profit. this paper concludes a formula calculating the slope of bidding curve from the model

    在電力市場成熟階段，本文以最大企業利潤化為目標建立數學模型，推導出報價曲線斜率的計算公式： 。
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