給定速度 的英文怎麼說

中文拼音 [gěidìng]
給定速度 英文
given speed
  • : 給Ⅰ動詞1 (送對方某物; 使對方得到) give; grant 2 (用在動詞后 表示交與 付出) pass; pay 3 (叫; ...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : 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 state of the atmosphere at a given time and place, with respect to variables such as temperature, moisture, wind velocity, and barometric pressure

    天氣:時間和地點的大氣狀況,牽涉到變量如溫、濕、風和氣壓。
  2. Microcomputer inputs data document and sends out electric current signal to control wind velocity according to the setted value of speed. the major work of single - chip microcomputer is to get electric current signal from microcomputer and transfer the signal into decimalization ascii then send to show

    Pc機把採集來的數據文件調入,按照設下位機(單片機)發送一個控制風的電流值,並且在pc機的界面上畫圖,顯示發送數據的大小。
  3. As we know, inverse techniques make blade ' s profile well compatible with its surface velocity distribution, however, they give designers big challenges that the ideal velocity distribution is hard to obtained and sometimes the non - physical solution, such as double covering of flow field or unclosed profiles, would come out. the proposed design procedure in the paper has avoided the disadvantage mentioned above. in this paper, a quasi - irrotational equation is used to describe the flow in cascade instead of the generally used irrotational equation

    眾所周知,一般的反問題和混合問題的最大特點,是在的壓力面和吸力面上的壓力分佈或分佈條件下,直接得到葉片的幾何形狀,它可以使葉型型面與表面氣流參數有機結起來;其不足之處在於,對設計者而言,很難理想的葉片表面壓力分佈或分佈,並且有時會得到一個非物理解,如:得出的初始葉型可能會出現前緣、尾緣不封閉的現象。
  4. Given the initial conditions including ( 1 ) number density distribution in space which has the similar form to the present day ones, ( 2 ) both the power law and gaussian mass functions for clusters, and ( 3 ) two different velocity distributions which one has a constant dispersion and the other is described by the eddington formula, the dynamical evolution of globular clusters in our milky way galaxy is investigated in detail by means of monte carlo simulations

    本文採用與觀測結果具有相同形式的球狀星團空間密分佈函數,在兩種球狀星團系統的初始質量譜(冪律的和對數高斯的)和兩種球狀星團系統的初始分佈函數(愛丁頓分佈函數和常數的彌散)條件下,我們採用montecarlo的方法對球狀星團系統的動力學演化進行討論。
  5. By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper

    本文結合常州新閘防洪控制工程水工模型試驗,系統分析了浮箱門在靜水和動水中的穩性及其影響因素,指出靜水穩性和動水穩性的不同特點;試驗測了浮箱門動水運行時的受力情況,出並分析了位過程轉動力的變化過程曲線;根據浮箱門啟閉與門體和岸墻之間撞擊力大小的關系,選擇合理的動力設備,為設計和工程實踐提供可靠依據;分析浮箱門難以穩上浮的原因,並出解決方案。
  6. The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included

    雲中凝結核ccn的數濃採用超幾何函數表示;雲水向雨水的自動轉換過程採用grabowski ( 1999 )的公式,考慮了雲滴譜的特徵和發展變化對該過程的影響,而不是採用原方案閾值的方法描述該過程;對連續碰並方程不再將粒子落差作為常量提出積分號外,而是直接作為粒子直徑函數在積分號內求解,這樣處理可以迴避使用粒子群的平均落帶來的誤差;增加了霰和雪、霰和冰晶的碰並微物理過程。
  7. The method of wing shape optimization of space shutlle has been developed with penalty function approach in which the objective function is the mass of the wing and the constraints are the hypersonic re - entry flight cross range, lift / drag ratio, and subsonic flight lift / drag ratio, the margin of the longitudial static stability and the magnitude of the horizontal landing speed etc

    摘要介紹了在滿足高超音再入橫向機動航程,高超音再入飛行時的升阻比,亞音進場飛行時的升阻比,縱向靜穩性裕和水平著陸等飛行性能設計要求下,用罰函數法尋求使航天飛機機翼質量為最小的外形優化方法並出了算例。
  8. Based on the mathematical model developed by the paper, the trim calculations are carried out in the conditions that the example aircraft converts from helicopter to airplane mode in level flight with zero longitudinal acceleration and angular rate

    本文依據所建立的樣例機縱向動力學模型,假飛機在平飛,縱向加和角加均為零,完成過渡模式下的動力學配平。
  9. Then, we caculate the dynamic character of the reflective mtn cell with the optimized parameter, give out the distribution of velocity, twist angle and tilt angle at the midle of the mtn cell when switch on or off in consideration of the backflow

    並針對選參數的mtn液晶盒作了動力學上的計算。文中分別了出mtn盒在加電壓和撤電壓時,引流效應對反射率的影響,並比較指向矢,,中間層的傾斜角等參量分佈的情況。
  10. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調系統( pwm )和位置環構成的位系統中,環的參數隨負載特性;電網電壓;工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩性和快、無超調、準確位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果
  11. In the thesis, the general situation of the domestic and abroad developments in the field of the numerical control interpolation algorithm for aspheric surface machining is reviewed firstly, for the poorness of recent numerical control interpolation algorithm, an numerical control interpolation algorithm that based on the genetic algorithm ( ga ) and neural network ( nn ) is introduced

    在數控系統中,它是生成加工軌跡的一個最基本的子程序,在很大程上決了數控機床的加工精和最大進。本文首先綜述了國內外非球曲面超精密加工中所運用的插補演算法的發展概況。
  12. The calculation methods of shelters ’ capacity and the discount method of road capacity under the situation of emergency evacuation were given. then, taking emergency evacuation of the beijing 2008 olympic games as an example, we make out the emergency evacuation preplan for olympic games. on the aid of the advanced computer system simulation techniques, using emergency evacuation simulation software to animate the whole process of olympic evacuation for the fist time, and got some key parameters that can provide decision making supports for decision - makers, such as, the whole evacuation time, the average evacuation speed etc. and the simulation results were analyzed

    本文首先分析了我國大城市的交通狀況和突發事件發生狀況,在分析國內外應急疏散研究現狀的基礎上,借鑒國內外應對突發事件應急疏散的經驗和教訓,結合我國大城市突發事件應急疏散的具體特點,提出了大城市突發事件應急疏散研究的總體框架,提出了突發事件應急避難所和應急疏散道路的選擇原則,出了應急避難所的容量計算方法和疏散道路在應急狀態下的道路通行能力的折算方法;然後以北京2008年奧運會突發事件的應急疏散為例,制了奧運會突發事件應急疏散預案,藉助先進的計算機系統模擬技術,首次利用應急疏散模擬軟體orems對整個疏散過程進行了模擬,得到了總體疏散時間、平均疏散等可以為決策者提供決策支持的關鍵參數,並對模擬結果作了分析。
  13. In contrast, application - specific integrated circuits ( asics ), optimized for a given task, such as the computing required in graphics or sound cards, are very fast but lack adaptability

    相對而言,執行特應用的積體電路,會針對的工作予以最佳化,例如繪圖或是音效卡所需要的計算,所以很快,但卻缺乏可塑性。
  14. The useful life curves of gan - based blue led with al2o3 and sic substrate is fit single exponential function [ i = i1 + i2exp ( - t / ) ]. fron this function, we could get aging information of led about stable inteneity 1, decay intensity i2 and decay time. the novel method of evaluating aging properties of leds was put forward

    用單指數函數擬合了發光二極體的光衰減曲線[ i = i _ 1 + i _ 2exp ( t / ) ] ,這個關系式可以出三個信息:穩光強、衰減光強、衰減,提出了更加合理的評價led老化性能的方法。
  15. In the base of rigid body kinematics, the equations of attitude computation was developed via the imu sensor ’ s output, and a new method of the integrated attitude determination using gyroscope ’ s dynamic output and accelerometer ’ s static output was presented

    基於剛體運動學,本文出了由慣性測量單元的輸出所確的氣浮臺姿態解算方程,並提出了利用陀螺儀的動態輸出與加計的靜態輸出進行組合的姿態確方法。
  16. At the end of the experiment, we reconstructed the subsystem of second air measuring, i. e. we used airfoil measuring equipment as a replacement of original equipment of flute pipe. we also demarcated the velocities of spouts of burner which can deal with correlative data, and which can provide some help for operation

    最後又對監測系統二次風測量子系統進行改造,將原笛型管裝置修復為機翼測風裝置,對傳感器進行差壓標;在爐內噴口處標,將數據進行處理,提供熱工控制顯示用,對運行調整提供了幫助。
  17. The application of bp neural network to speed control system on usm is discussed, and a program is designed for training the bp neural network by matlab ’ s nntool, a three layers neural network of 2 - 8 - 1 is determined through simulation, then write the weights and biases of the nn into dsp to make on - line training, and it reaches the purpose of controlling usm ’ s speed

    利用matlab7 . 0中的神經網路工具箱進行結構設計和離線訓練,通過模擬實驗最終確了2 - 8 - 1的三層網路結構,將訓練后得到的權值、閾值結果寫到dsp中,進行控制過程中給定速度的在線訓練,從而達到控制電機轉的目的。
  18. The minimun stable speed is given when the disturbances of the friction and the wave are considered. consequently, the compensation methods are worked out

    出摩擦作用下的系統最低穩限以及電機波動力矩作用下的系統誤差,由此性得到了抑制摩擦和電機力矩波動干擾的措施。
  19. Designed and used for cold chamber machines. serving melted metal to machines

    專用於冷室壓鑄機的自動湯,快,湯量穩,提高壓鑄質素。
  20. The algorithm in this paper works efficiently at a lower error. in most applications it is impossible to realize the fast visualization and fly - through of terrain at a given accuracy

    本文中的演算法效率高、誤差較小,在的情況下,能夠實現地形的快顯示及實時瀏覽,可滿足大多數情況下的工程應用。
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