mass center 中文意思是什麼

mass center 解釋
質量中心
  • mass : n 彌撒；彌撒的儀式[禱告、音樂]；彌撒曲。 a high [solemn] Mass （有燒香、奏樂等的）大彌撒。 a low ...
  • center : n vt vi 〈美國〉＝centre n 1 中心；中心點；圓心；中央；中樞，核心；中心人物；根源，起源。2 〈常C ...
  1. Because it is impossible to adjust the air bearing absolutely balance, the difference between mass center and rotation center must lead to a notable gravity disturbance torque. in the process of identification, modeling and identification of gravity disturbance torque is considered, and an extended kalman filter is educed for identifying air bearing inertia matrix and gravity disturbance torque, and then the algorithm is validated

    由於氣浮臺平衡調試方法和手段的限制，實驗過程中氣浮臺質心與轉動中心有一定的位置偏差，必將導致較大的重力干擾力矩，在辨識演算法的推導過程中，重點考慮了重力干擾力矩的建模和參數辨識問題，推導了氣浮臺的轉動慣量和重力干擾力矩辨識的擴展卡爾曼濾波演算法，並對演算法進行了數學模擬和全物理模擬驗證。
  2. Since rhic has run at a center - of - mass energy snn = 130 gev, and star collaboration analysed antiproton to proton ratio in mid - rapidity region using the first batch of data

    去年， rhic上的star實驗組利用質心系能量130agev的an an對撞產生的首批數據，對中心快度區的反質子質子比進行了研究。
  3. Then the dependences of the cross section on the center - of - mass energy of xcj and baryon are given in the work

    離解的截面，給出了截面對x 。和重子的質心系能量的依賴關系。
  4. The influence of the eccentricity mass moment, position of mass center and the bearing stiffness to the vibration characteristics of the rotor system is discussed in detail ; 3. to verify the exactness of fem and learn the principle of vibration of dredge pump further, the orbit of the rotor shaft of the pump in the dredger is measured, the measurement results show : the repeat of the orbit of the rotor shaft is very bad when dredge pump is in the dredging mud condition

    模態分析確定了泥泵的振動特性（固有頻率和振型） ；諧響應分析確定了泥泵轉子軸在偏心力的作用下軸截面處的最大響應位移；研究了轉子軸的質心位置、軸承剛度和質量偏心矩對轉子軸振動特性的影響； 3 、採用軸心軌跡法，實船測量了泥泵軸工作時振動響應值。
  5. Thus the path of the vehicle mass center must be a circle around the axis, i. e. it must be a minor circle of the earth, lying on a parallel of latitude.

    所以飛行器質心的軌跡必須是圍繞軸線的一個圓，即它必須是一個平行於緯度線的地球的小圓。
  6. The basic parameters of pms of the powertrain mount system are measured by the experiments, simply introduce the certainty of mass center and mass inertia quadrature, and the experimental results are obtained finally

    通過實驗對動力總成的基本參數進行了測試，分別對動力總成重心的確定和質量慣性矩的計算進行了簡要的介紹，最後給出了實驗結果。
  7. The mass characteristic parameters of hslrfo include mass, mass center, centroid, lateral misalignment of mass center, rotary inertia, dynamic balance, etc. since the lateral misalignment of mass center is the most important mass characteristic parameter, the demand for the measuring precision of this parameter is very stringent

    高速遠程飛行物體的質量特性參數有質量、質心、形心、質心橫偏量、轉動慣量、動平衡等內容，其中最重要的是質心橫偏量，因此，在測量中，對質心橫偏量的測量精度有著更高的要求。
  8. After the ball leaves, the racquet mass center ( balance point ) moves at a slower speed, and this means a loss of its kinetic energy ( kinetic energy = 1 / 2 mass times velocity squared )

    球離開之後，球拍開始減速，球拍減速的過程就是能量釋放的過程，釋放能量的值等於? （球拍）質量乘以速度的平方。
  9. Based on the conservation principle of linear and angular momentum, the method derives the equations of the mass and mass center as well as inertia tensor of the new end - effector for the manipulator handling the unknown object

    該方法基於線動量和角動量守恆定律，推出了機械臂負載未知目標的新的末端效應器的質量、質心和轉動慣量的方程組。
  10. The disadvantageous effect should be considered when the deflection between the structural mass center and stiffness center exists

    摘要結構剛度中心與質量中心偏差較大時，應考慮扭轉的不利影響，將高層建築結構等效為懸臂桿，從頂至底依次選取脫離體。
  11. Analysis of the rotation angle in measuring mass center of circular column

    圓柱體質心測量中轉角取值分析
  12. We bring forward locate candidate face area by mass center ; get more exactly cross correlation between candidate and template

    提出利用候選人臉圖像區域和模板質心作為配準的原點，抑制人臉圖像噪聲的干擾。
  13. Research on new technology of measuring mass center of mass and eccentricity of the projectile

    引信電池性能存儲測試方法研究
  14. The calculated " mass center " of the mantle ' s layers implies that the mass center of the earth is to the northern hemisphere

    計算地幔各層的質心位置發現，地球的質心偏於北半球。
  15. A design on the testing system of mass center of engines, including its software and hardware are described in detail

    摘要介紹了發動機質心測試系統的基本構成以及其軟硬體的設計實現。
  16. Designing the automatic examination equip for multiple parameters ( the mass center, inertia moment and the weight of the parts ) according to the methods

    並利用此方法初步設計了質心、質量和轉動慣量多參數自動檢測裝置。
  17. It elaborated general method and all processes to design a mass center detecting equipment. the course could be benefited and be quoted by engineers

    本文比較系統地闡述了質心檢測系統設計的一般方法和過程，對工程設計人員具有一定的借鑒作用。
  18. The air bearing is the most important part of an attitude control system simulator for simulating a satellite moving in the weightless circumstance. performance of a satellite attitude simulation system based on air bearing is decided by the inertia matrix and gravity disturbance torque arising from a difference between mass center and rotation center, and air bearing can be used to simulate the algorithm of on - line mass - property parameters identification on the ground. so the problem of mass - property and gravity disturbance torque identification for satellite and air bearing is studied in this thesis

    氣浮臺能夠模擬衛星在軌失重條件下的姿態運動，是衛星姿態控制系統物理模擬的核心部件，其轉動慣量和質心偏移引起的重力干擾力矩等決定了基於氣浮臺的衛星姿態物理模擬系統的性能，並且利用氣浮臺可以實現衛星質量特性在線辨識演算法的地面物理模擬驗證，因此本文對衛星和氣浮臺的質量特性及干擾力矩在線辨識問題進行深入研究。
  19. This paper is main to explored to examination the mass center of not even quantity distributes cylindrical parts by means of four points revolving method and to examination the inertia moment of the parts by means of the law of just turning

    本文主要從工程的角度上探討了對非均勻圓柱形工件（部件）採用四點旋轉法檢測質心和根據剛體轉動定理利用旋轉法檢測轉動慣量的方法。
  20. In effect, these two celestial bodies revolve around each other ( their mass center lies outside of pluto ) as if joined with a rod connecting two opposite points on their surfaces

    好像結合連接在他們的表面方面的二相對事物點的一支竿了，有效，這些二個天體在彼此（他們的大眾中心謊言在冥王星的外面）的周圍考慮。
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