偏轉系數 的英文怎麼說

中文拼音 [piānzhuǎnxìshǔ]
偏轉系數 英文
deflection coefficient
  • 偏 : Ⅰ形容詞1 （不正; 歪斜） inclined to one side; slanting; leaning 2 （只側重一面） partial; prejudi...
  • 轉 : 轉構詞成分。
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Based pc, d / a convertor and 2 - dimension galvanometer scanning system, laser marking control system is built. coordinate data scanned and kept in the computer are transformed into the analog signals by d / a converter, then control the galvanometer to deflexion

    基於pc 、 d / a轉換器和二維振鏡掃描系統搭建激光打標機控制系統，將存儲在主控計算機的掃描坐標點的坐標數據通過d / a轉換，將數字信號轉換成模擬信號來控制振鏡偏轉。
  2. On the basis of this equation, the general differential equations of coupled bending, torsional and pendular nonlinear vibration about rotor with unbalance character and rubbing character are deduced. the bifurcation and chaos behavior especially the influence on bifurcation and chaos behavior of impact and rubbing fault rotor system

    應用數值方法研究了碰摩轉子的彎扭擺耦合振動相應的復雜動力學行為，重點研究了轉子轉速、偏心量等系統參數對碰摩轉子彎扭擺耦合振動的分岔和混沌行為的影響以及扭轉振動和擺動振動對彎曲振動的影響。
  3. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要根據履帶式車輛的運動特點，運用數力學中矢量分析理論和方法，推導了接地比壓為線性分佈時履帶式車輛在斜坡上轉向時，瞬時轉向中心偏移量與車輛重心位置、轉向半徑、行進速度、加速度、車輛方位相互關系的計算公式。
  4. Those sensitive parameters making system have negative damping and occur self - excited shimmy are horizontal pulling lever rigidity, tire sideslip rigidity, steering gear rigidity and damping, kingpin equivalent damping, kingpin caster angle, tire drag. and wheel center distance, tire side rigidity, vehicle wheel unbalanced mass, tire vertical rigidity, and distance from kingpin center to the vertical central line plane of tire have great influence on shimmy, but they do n ' t make the system have negative damping. and horizontal pulling lever damping, suspension damping and rigidity have very small influence on shimmy

    橫拉桿剛度、輪胎的側偏剛度、轉向機剛度、轉向機阻尼、繞主銷當量阻尼、主銷后傾角、輪胎拖距是影響擺振的敏感性參數，適當調節某一參數可引起系統的負阻尼，使系統產生自激擺振；輪距、輪胎側向剛度、車輪上的不平衡質量、輪胎垂向剛度及主銷延長線與地面交點至車輪平面的距離對擺振的影響也較大，但不會使系統出現負阻尼；而橫拉桿阻尼、懸架阻尼與懸架剛度對擺振的影響很小。
  5. Are used in above deduction. therefore it is necessary for us to review the basic concepts of quantum mechanics and relativity from the deflection notion of analytical space - time so as to get a profound math expression - space - time wave function stwf to link relativity up to quantum mechanics. assuming that one plane cosine wave travels along

    因此，我們有必要從解析時空理論的時空偏轉原理出發，對量子理論和相對論的基礎概念重新認識，進而得到更廣泛更深刻並將量子理論和相對論連系在一個方程下的新的數學表達式-時空波函數。
  6. Results showed that : ( 1 ) in general, the segregation ratios of target gene in some tl lines are conformed to 3 : 1, however, some are not possibly due to gene silence or missing in the self - pollinated progeny ; ( 2 ) two homozygous plants were identified from 10 putative transgenic plants

    主要結果如下： （ 1 ）我們對外源基因在番茄體內的遺傳規律研究表明，在大多數情況下，單拷貝插入外源基因將導致轉基因後代按孟德爾單顯性基因3 1規律分離，但是部分轉化系比例偏低，可能發生了基因丟失或者沉默。
  7. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  8. The complicated aerodynamics characteristic of spinning projectile with lateral jets and with attack angle is studied detailedly. the formation and changes are analyzed including magnus force, normal force, yawing moment, pitching moment and pressure center

    系統分析了旋轉側噴彈丸復雜的空氣動力學特性，分析了馬格努斯力系數、法向力系數、偏航力矩系數、俯仰力矩系數和壓力中心等參數的產生機理和變化規律。
  9. As a result of the simplified torsion moment of inertia, integral stability coefficients based on the gb50017 code increase relatively 5 % or 0. 01 ~ 0. 04 absolutely, only for hn behind hn400 150, whose calculation length goes beyond the limit of 8 meters, taking account of any load condition and any yield - point

    Gb50017梁的整體穩定系數公式的誤差是由扭轉慣性矩的簡化造成。任何荷載情況和鋼號，規格大於hn400 150的hn型鋼，當計算長度大於8米時，整體穩定系數偏高約5 ，絕對偏高量在0 . 01 0 . 04范圍。
  10. By using auto - adjusting boundary conditions and the method of three cubed spline curve fitting, the system software can recover both of the horizontal and vertical beam profile. the measurement system can also measure the beam landing screen error of cpt. it provides a important measurement and analysis tool to improve the performance of electron gun and dy, and improve the definition of cpt

    系統軟體中，提出了採用動態確定邊界條件，通過對離散采樣點的三次樣條插值曲線的擬合恢復束斑x和y方向的輪廓，本系統既能準確客觀地描述電子束輪廓，又能夠準確快速地測量電子束著屏誤差等多種參數，為cpt電子槍和偏轉系統的性能改進與解析度的提高提供了有力的測試分析和研究手段。
  11. Cfd is also used to get the data of performance parameters of the nozzle at different nozzle pressure ratio, different nozzle area ratio and different geometric defected angle. the theory of function approximation is used to establish the transient model of thrust vectoring with the data calculated

    本文通過cfd計算獲得矢量噴管的性能參數，如流量系數、推力系數以及有效推力矢量角等與矢量噴管壓比、面積比以及幾何偏轉角之間的關系數據，並利用函數逼近理論建立了矢量噴管的動態數學模型。
  12. The concept of the equivalent mode and the modal participation coefficient is introduced when the regulation structures are studied. as to the vertical irregular structural systems, the inter - story capacity spectrum method is used and the strength reduction coefficient 77 is put forward when the capacity method is used to evaluate the performance of the torsional irregular structures

    對于扭轉不規則結構體系，引入與結構偏心矩大小和結構平面整體尺寸有關的強度降低系數叮來考慮結構的扭轉效應，選取結構的基底剪力和邊軸線的最大反應位移為參數，應用能力譜方法進行抗震性能評估。
  13. That test part of the software is primarily used to complete the test of some parameters, such as time base, time - expand, time interval, voltage interval, vertical, stable state, transient state and scanning linearity. the result of the test needs to be analyzed and judged. clear user interface and timely warnings for mistakes of testing process inside because of the user ' s fault operating make whole test process more easier than it did on a time

    該軟體的測試部分主要用於完成對示波器掃描時間系數、擴展掃描時間系數、 t時間測量、 v電壓測量、垂直偏轉系數、頻帶寬度、校準信號、脈沖瞬態響應、掃描線性誤差時等參數的測試檢定任務，並對測試結果進行及時的分析和判斷，由於界面清晰，而且對測試過程中由於用戶的誤操作都有及時的錯誤提示，使得整個測試過程簡單易行，對于用戶來講掌握起來也更為方便些。
  14. In this thesis, it also exploringly discussed the theoretic issue of the equal representation the human facial expressions by the human - head portrait robot. it put forward the concept of offset and the coefficient of the facial expression

    本文還探索性地研究了仿人頭像機器人等強度再現人類表情的理論問題，提出了表情特徵點偏移量及偏移系數的概念，解決了人類表情到機器人表情的等強度轉換問題。
  15. Firstly, the relationship of atomic force and distance is studied. the scan type of samples and the working mode of probe is confirmed, then pzt is chosen as actuator for micro scan displacement, and optical deflexion method is used to detect the deflexion value of cantilever. after all these work, the system light path design is finished, and its mathematical model is completed

    首先，分析了原子力探針系統的中原子力?距離的關系，並確定探針系統的探針的工作模式和樣品的掃描模式，從而選擇壓電陶瓷作為掃描微位移驅動器;採用光學偏轉法檢測微懸臂偏轉量，並選用了psd作為傳感元件，並在此基礎上進行了系統光路設計及其數學模型的建立。
  16. Take the laser diode as the photoelectric detector ' s lamp - house, the optical system forms images of the sign, the double photoconductive resistance detects the excursion of the sign, a / d converter finishes a / d convert, the data is fuzzy processed by micro computer

    光電探頭採用激光二極體作為光源，光學系統完成標志的成像，雙光敏電阻檢測標志線的偏移， a / d轉換器完成偏移信號的模數轉換，數據由微機進行模糊處理。
  17. Taking account of the simplified torsion moment of inertia, integral stability coefficient increase relatively 5 % or 0. 01 ~ 0. 03 absolutely, only for narrow rolled h - section ( hn ) behind hn350 175, whose calculation length goes beyond the limit of 8 meters

    Gb50017中扭轉慣性矩的簡化使規格大於hn350 175的hn型鋼，在計算長度大於8米時，整體穩定系數偏高5 ，絕對偏大量在0 . 01 0 . 03范圍。
  18. By using the inner boundary conditions, a kind of boundary value problem of three dimensional partial differential equations with discontinuous coefficients is transformed into a variational and functional one so that a difficult problem is simplified

    摘要通過使用內邊界條件，使一類具有間斷系數的三維偏微分方程的邊值問題的解法能夠轉化為變分與泛函極值問題的解法，使復雜方程問題簡單化。
  19. Secondly, the performance of the acousto - optic steering system is deteriorated as a result of the coupling because of nonlinear of quadrant detector and the pointing error introduced by satellite platform vibration. for this problem, this paper introduces the model reference adaptive control system, and presents the perfect model. the model reference adaptive controller is designed to force the output of the acousto - optic steering system following the output of the perfect model to improve the system performance

    其次，針對聲光偏轉系統由於器件的非線性造成的耦合和平臺振動造成的指向誤差導致系統性能惡化問題，引入了模型參考自適應控制系統，提出了理想的模型，設計了模型參考自適應控制器，強迫性能惡化的聲光偏轉系統的輸出跟隨理想模型的輸出，使其性能改善，利用超穩定性理論確定自適應參數以保證系統的穩定性。
  20. By solving the equation numerically, the effects of diffusion on the property of the self - deflection of the photorefractive solitons are studied. the results show that the spatial shifts of bright screening solitons and sp solitons depend directly on the voltage factor. for dark solitons, the stronger the input intensity is, the larger the bending - angle is, whereas bright solitons depend on the input intensity nonlinearly

    在考慮一階擴散效應后，通過數值計算分析和比較了三種光折變空間孤子的自偏轉特性，得出屏蔽和屏蔽光伏明孤子的偏轉量與分壓系數成近似線性關系，與入射光強成非線性關系，而暗孤子偏轉量隨入射光強的增加而增加。
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