velocity of displacement 中文意思是什麼

velocity of displacement 解釋
位移速度
  • velocity : n. 1. 迅速；快速。2. 速度，速率。3. 周轉率。
  • of : OF ＝Old French 古法語。
  • displacement : n 1 轉位，移動；取代，置換；（人的）流離失所。2 撤換，免職。3 【機械工程】（活塞）排氣量；【航海...
  1. Accelerometer is the main inertia measurement device of inertia measure - ment and navigation system, it ’ s mainly used to measure the acceleration of carrier, and we can get the velocity and displacement of carrier from acceleration, so it ’ s wildly used in spaceflight, avigation, navigation and other fields, the capabilities of accelerometer are of the key function in the whole system

    加速度計是慣性測量和導航系統的主要慣性元件之一，主要用於測量運載體的加速度值，而通過加速度又可以得到運載體的速度和位移，所以被廣泛應用於航天、航空和航海等領域，其性能的好壞在整個系統中起著關鍵性的作用。
  2. Using matlab and its add - ons simulink, through establishing simulation maths model, the paper integrates open chain vector equation ( describing motion restriction ), numerical value simulation ( computing velocity and displacement while given acceleration ) and matrix algebra, etc. to accomplish dynamic simulation for the robot and verifies the results for kinematics of the robot using analysis method, and it establishes foundation for following study for the robot such as kinetics, control, etc

    利用matlab及其附加軟體simulink ，通過建立模擬數學模型，綜合開環矢量方程（描述運動約束） 、數值模擬（在加速度已知時計算速度和位移） 、以及矩陣代數等來完成機器人動態模擬，對所研究的機器人運動學分析結果進行驗證，結果基本一致，為機器人的后續研究，如動力學，控制等奠定基礎。
  3. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  4. The best scheme was chosen after analysis and comparing and the structure was designed. at same time, the kinematics analysis was conducted, coordinate transformation matrix using d - h method was set up, and the kinematics equation direct solution and inverse solution was deduced, the velocity jacobian matrix was constructed using vector product method, and the values of displacement and velocity of some special point including the wrist point were calculated. secondly, the working space of the robot was analyzed and the axes section of practical working space was drawn

    首先，作者針對機器人的設計要求提出了多個方案，對其進行分析比較，選擇其中最優的方案進行了結構設計；同時進行了運動學分析，用d - h方法建立了坐標變換矩陣，推算了運動方程的正、逆解；用矢量積法推導了速度雅可比矩陣，並計算了包括腕點在內的一些點的位移和速度；然後藉助坐標變換矩陣進行工作空間分析，作出了實際工作空間的軸剖面。
  5. In the full of research, the thesis constructed the dynamic equations of the simplified model, then programmed and computed the feedback gains using lqr method. moreover, the thesis plotted pictures of displacement, velocity, acceleration, bend and shearing force of ship ' s head and middle part in the condition of using cable and not using cable

    在研究工作中，首先對船舶的簡化模型建立了動力學方程，然後採用線性二次型最優控制方法，編寫程序並計算出船體垂向振動固有頻率和最優反饋矩陣，得到控制前後船艏以及船舯部的位移、速度、加速度、彎矩和剪力歷程圖。
  6. The calculation of these velocity and displacement curves from the accelerogram is not a trivial matter.

    要從加速度記錄計算速度和位移曲線也不是一件輕而易舉的事。
  7. In the forth chapter, the performances of mr dampers designed and fabricated at chongqing university have been tested in national center for test and supervision of coach quality, including schematics of damping force vs. displacement of piston head, damping force vs. velocity of piston head, etc. for some given electric currents of the coil. the experimental results demonstrate that damping force offered by mr damper consists of background damping generated by resistance of mr fluid and damping caused by magnetic field

    對不同勵磁電流條件下的理論阻尼力與測試阻尼力進行了比較，分析了產生誤差的主要原因；對阻尼器產生溫度效應產生的主要原因進行了分析，提出了應該提高磁流變體的溫度穩定性；推導了磁流變體的感性和容性流動方程，從理論上分析了磁流變體的感性和容性對阻尼器特性的影響。
  8. 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。
  9. It really provides convenience to evaluate and optimize the design result. 3 ) vibration analysis has been fulfilled by calling some math libraries and graphic libraries in matlab to plot graphics such as velocity - time, displacement - velocity, step response, impulse response, gain - frequency and phase - frequency. we can know the capabilities of the spring system from the graphics

    3 、在matlab環境下調用相應的數學函數庫和圖形庫對設計的彈簧進行分析，繪制彈簧加載后系統的速度-時間響應曲線、速度-位移響應曲線、階躍響應曲線、脈沖響應曲線、增益-頻率響應曲線和相角-頻率響應曲線，根據曲線來分析系統的各項性能。
  10. The angular displacement and angular velocity of the upper limb during elbow extension activities in spinal cord injury patients and normal individuals

    6脊髓損傷患者與正常人在伸肘活動中上肢的角位移及角速度比較
  11. At first using the method of inverse kinematical analysis, the computing formulae of displacement, velocity and acceleration of each component in the seven - bar mechanism and variation law of motion for the two expanding and contracting bar were derived, and then combining with analytical living example and according to the motion law of output component the motion law of driving part was computed, finally the transmission error was analyzed

    摘要首先運用逆運動學分析的方法，推導出了七桿機構中各個構件的位移、速度和加速度計算公式以及兩個伸縮桿的運動變化規律；然後結合分析實例，根據輸出構件的運動規律，計算出驅動件的運動規律，最後分析了傳動誤差。
  12. Thus the resistance factor and vibration modes of the soil layer are obtained and used to analysis the pile response. by considering the interaction between the soil layer and the pile with boundary condition of continuity of displacement and equilibrium of force at the interface of soil layer and pile, the dynamic equilibrium equation of pile is solved and an analytical solution for the pile response in frequency domain is yielded, which is used to define complex stiffness and mobility at the level of the pile head. based on the convolution theorem and inverse fourier transform, a semi - analytical solution of velocity response in time - domain subjected to a semi - sine exciting force is given

    首先通過引入勢函數方法對土體位移進行分解，從而將土體動力平衡方程解耦，求解得到了土層的振動模態和阻抗因子，然後利用該解以小應變條件下樁土接觸面上力平衡和位移連續條件來考慮樁土耦合作用，求解樁的動力平衡方程，得到了樁頂的頻域響應解析解、復剛度和速度導納，利用卷積定理和傅里葉逆變換，求得了半正弦脈沖激振力作用下樁頂速度時域響應半解析解。
  13. There is no thoroughly rounded theory about displacement ventilation system in our country at present and our research begins recently. the study work of this paper will be useful for further optimization design of displacement ventilation system. this dissertation includes five parts. the first part introduces the development of the displacement ventilation and the background of research in domestic and oversea. in the second part, it gives working principle of displacement ventilation system and it ’ s advantages to the mixture ventilation. the study also gives a series of indexes to evaluate displacement ventilation system and specifies air supply terminal device and so on. it is needed to simulate and analyse the velocity field, temperature field and distribution of flow field. this is the third part. the forth part specifies the simulative method for thermal stratification of displacement ventilation system. it gives some factors affecting thermal stratification height such as inlet temperature, inlet velocity, heat transfer of wall body, distance of heat source and so on

    本文的研究工作主要包括以下幾個方面的內容: （ 1 ）綜述了國內外相關的研究現狀和研究背景; （ 2 ）簡介了置換通風的工作原理，並分析了它相對于混合通風的優良特性及評價指標、末端裝置等; （ 3 ）對採用置換通風方式房間的溫度場、速度場和氣流分佈進行了模擬計算與分析; （ 4 ）對採用置換通風方式房間的熱力分層高度進行了模擬計算，並分析其影響因素，如:送風溫度、送風速度、圍護結構傳熱和熱源分佈等; （ 5 ）擬合了無量綱熱力分層高度相應于送風溫度t 、送風速度v 、熱源間距離l和圍護結構傳熱q的經驗公式。
  14. Study on surface movement and displacement based on velocity of subsidence

    下沉速度法研究地表移動變形分佈規律
  15. The acceleration is first evaluated from governing equation, secondly, the formulae of displacement and velocity are developed basing on some assumptions, and then the discrete expressions of the response mean square value are deduced

    首先，直接從控制方程出發計算加速度，其次，給出了位移和速度的一種近似計算公式，最後，推導出響應均方值的離散計算表達式。
  16. The results of random structures and determinate structures show that when the ranmomicity of parameters is considered, response of displacement and velocity will occur large changes

    對隨機和確定結構計算的結果表明，當考慮參數隨機時，位移、速度響應將發生大的變化。
  17. A modified two - dimensional dynamic effective stress method is established and also the corresponding program presented in the paper. and the method is used for analyzing the effects of liquefaction of sand soil zone on surface ground motion and the response spectrum of acceleration 、 velocity and displacement

    本文在現有研究的基礎上，建立了一種土體二維有效應力動力分析方法並編制了相應程序，並以此計算分析了飽和液化砂層對地表加速度反應譜、速度反應譜、位移反應譜的影響。
  18. The four parameters ( spring inclination a, the frequency of excitation force w, the amplitude of excitation force f, the spring stiffness k ) are the major factors that take great influences on the vibration plate. in order to analyzing the influences of four parameters, the virtual prototype of vibration plate is built in ansys to get inherent frequency from modal analysis. thorough transient analysis in ansys, the curves of displacement n velocity and acceleration is presented

    為了分析這四個參數對系統的影響，首先在ansys中建立振動排秧盤的虛擬模型，採用有限元方法對模型進行了模態分析，得到振動排秧機構的固有頻率；同時對模型進行動力學分析，分析排秧盤的振動量、速度及加速度，並得出相應數據的曲線圖；另外，校核了主要元件彈簧的疲勞強度及使用壽命。
  19. B ) relative velocity response spectrum ( sv ) and relative displacement response spectrum ( sd ) : the variation of velocity spectrum with depth is similar to that of acceleration spectrum. but the variation of displacement spectrum with depth is a little different to that of acceleration and velocity spectrum. that is, in strong earthquake, the variation of displacement spectrum and normalized spectrum in different depth is very small

    （ 2 ）速度反應譜（ s 、 ）和位移反應譜（ sd ）沿深度變化的規律速度反應譜沿深度變化的特點與加速度反應譜基本相似;位移反應譜沿深度變化的特點與加速度和速度反應譜有較小差別，即強震時位移反應譜和標準位移反應譜沿深度的變化很小。
  20. Apply numerical arithmetic to calculate and smooth the profile, meanwhile apply numerical simulation to analyze the distributing disciplinary of cam ' s rotating angle and the response of displacement velocity and acceleration of slider

    利用數值演算法對其進行了曲線擬合和光順，同時，利用數值模擬方法，反求分析了滑塊從動件的位移、速度、加速度響應和凸輪的轉角分佈規律。
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