角動量動量矩 的英文怎麼說

中文拼音 [jiǎodòngliángdòngliángjǔ]
角動量動量矩 英文
angular momentum
  • 角 : 角Ⅰ名詞1 （牛、羊、 鹿等頭上長出的堅硬的東西） horn 2 （古時軍中吹的樂器） bugle; horn 3 （形狀像...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  1. Based on the three new supposition and the tow new mechanical tools : moment vector and radius vector, the warping theory introduced the analytical method of the rotation of a cross section around a fixed axis, so as to make the space stability of the thin - walled member complanate and one - dimensioned

    翹曲理論以三條新的假定和新建立的彎矩矢量和轉角向徑兩大力學工具為基礎，提出了繞定軸轉動的分析方法，使薄壁構件的空間變形平面化、一維化。
  2. A matrix element representation of angular momentum operator under so group formation

    群構造下角動量算符的矩陣元表示
  3. Abstract : the magnetic moment of a hydrogen atom is calculated by using the solution of the relativistic wave equations. it is shown that the so called total magnetic moment are produced from the electron orbit motion. these results show that the total angular momentum j is actually the relativistic orbital angular momentum

    文摘:利用氫原子的相對論性波動方程解計算了氫原子的磁矩.結果表明，現行量子理論中所謂的總磁矩實際上都是由電子的軌道運動產生的，由此提出了所謂的總角動量實際上是相對論性軌道角動量的看法
  4. Secondly, the effects of the crest width of the back - emf waveform to the torque ripple in the 120 ? conduction mode are analyzed, among which the effects of the advance commutation angle to the torque ripple are quantificationally analyzed for the bldcm drives whose back - emf waveform crest width is less than 120 ?,

    其次分析了120導通方式下反電動勢平頂寬度對轉矩脈動的影響，對于平頂寬度小於120電角的非理想梯形波反電動勢，定量分析了換相超前角對換相轉矩脈動的影響。
  5. The effects of the energy, the angular momentum of particles and the mass quadrupole moment on the orbits of particles are discussed

    討論了粒子的能量、角動量和質量四極矩對于粒子軌道的影響。
  6. A open - close mathematic model is introduced into calculation of torsional vibration. results show : kurtosisness and high harmonic will increase when crankshaft have crack. 5. cylinder score is also diagnosed by torsional vibration in this paper, when cylinder score occurring, the friction of piston will decrease the action of air pressure

    本文借鑒了裂紋轉子剛度的開閉模型，首次對含有變剛度單元的柴油機動力裝置進行了扭振計算，結果表明柴油機曲軸有裂紋后，扭振的角位移和附加振動力矩的高諧次分量會增加，峭度值增加。
  7. In this dissertation, the development survey, research actualities and application prospect of vamt are introduced at first, and the models of kinematics, dynamics and linear motor servo are analyzed then. currently the dynamics model is complex or established mechanically, which restricts the study of control theories. thus this dissertation present a simple and easy - realized control idea, namely, the fore and torque of every leg determined by the inverse - solution of mechanics are regarded as changeable load force ( disturbance ) applied in motor, the elongation of the leg or displacement of sliding is regarded as the output of linear servo system

    本文首先介紹了虛擬軸機床的發展概況、研究現狀和應用前景，然後對其運動學、動力學、直線伺服系統模型進行分析，針對目前動力學模型過于復雜或完全從機構學角度建立不便於控制的問題，提出了簡單、易於實現的控制思想，即將虛擬軸機床的動力學方程反解所確定的各桿受力（矩）視為電機的可變負載力，以桿長伸縮量或滑塊位移為伺服系統輸出，從此構成位置閉壞，實現軌跡跟蹤控制。
  8. In the motion, the direction of angular momentum vector changes every moment, because there is a torque caused by gravity act on the wheel, then the wheel rotate itself and rotate around the fixed point

    車輪進動實驗：在進動中，角動量的矢量方向不斷改變，是因為受到一個由重力產生的力矩，使車輪在自轉的同時又繞支點轉動。
  9. Just as linear momentum is the product of mass and velocity, so the angular momentum of a body is defined as the product of its moment of inertia and its angular velocity

    正如線性動量是質量和速度乘積一樣，物體角動量也定義為其慣性矩和角速度的乘積。
  10. Cross spectrum analysis is made between aam, torque, sst and lod. it is found that significant correlations exist between those series on time scales of shorter than one year

    交叉譜分析表明，在小於一年周期上，角動量、山脈和摩擦力矩、尼諾三區海溫、日長間都存在著顯著相關關系。
  11. The company chengdu microlink technology co., ltd. offers services from the ranges multimeter, amplification in addition to impulse

    提供放大、沖動、脈沖、脈沖波、沖量、動量、沖擊、動量矩、角動量及其它產品。
  12. The research in the dissertation shows that the dtg with the larger angular velocity is not only with simple structure, but also its largest torquing rate can attain to 500 / s, it could fit the requirements of strap - down inertial navigation system completely. the dig with the larger angular velocity is a kind of mini inertial instrument that possessing of upper performance and is worthy to be studied ulteriorly

    本文的研究表明，大角速率動調陀螺儀不僅結構簡單，而且最大施矩角速率可達500 s以上，可滿足捷聯慣導系統對陀螺儀測量范圍的要求，是一種值得進一步研究的、具有較高性能的小型慣性儀表。
  13. Correlation analysis is made and good positive correlation is found between aam and sst of nino iii section. positive correlation is also found between aam and mountain torque, while negative correlation between aam and friction torque

    相關分析表明角動量與尼諾三區海溫存在很好的正相關，角動量與山脈、摩擦力矩間分別為正、負相關。
  14. The above work gives a quite complete and systematic analysis of the aam balance in a long time, including climatic and anomalous characteristics, and links the aam and its transportation, earth - atmosphere angular momentum exchange ( mountain torque and friction torque ) with lod and sst. the intimate link is confirmed between aam and lod, el nino

    以上工作對一個較長時間內的大氣角動量平衡各個方面進行了較完整系統的分析，包括多年平均和異常特徵分析，並將角動量及其輸送、地氣系統角動量交換（摩擦和山脈力矩）與日長、尼諾三區海溫相聯系，證實了大氣角動量與地球自轉變化、厄爾尼諾事件間的密切聯系。
  15. Firstly, with the help of angular momentum coupling theory, the hamiltonian for multi - electron adorns is rewritten in terms of spherical tensors. the advantage of this form is that the radial, angular and spin parts are separated completely, which makes it easy to calculate the angular matrix elements by means of irreducible tensor. secondly, theoretical expressions of the relativistic corrections including the relativistic mass correction, the darwin correction terms, the electron - electron contact terms and the orbit - orbit interaction which contribute to the non - relativistic energy for two - electron atom are theoretically derived in the lsmlms scheme

    具體內容包括：首先，藉助角動量耦合理論，將多電子原子哈密頓算符中的自旋-自旋、自旋-其它軌道以及軌道-軌道相互作用全部改用球張量表示，這種球張量形式的優點在於已將原子哈密頓算符中的徑向、角向和自旋部分完全分開，從而便於計算矩陣元，而且角向矩陣元可以方便地利用不可約張量理論來進行計算。
  16. As the representation of the electron spin angular momentum is two - dimensional or three - dimensional, the electron energy is calculated simplier by the theory of density matrix and average value

    當電子在磁場中的自旋角動量的表示為二維和三維時，應用密度矩陣原理求解其能量更為簡便。
  17. Taking the meshing theory of conjugate curved surface as a foundation, utilizing array method of rotation transformation of vector, the meshing equation and contour surface equation of conical cam mechanism with swinging conical roller follower were analyzed and derived, and the calculation formula of pressure angle and synthetic curvature of the mechanism was presented, thus laid a solid theoretical foundation for enhancing the machining accuracy of conical cam, improving its processing method and achieved the integration of cam cad / cam

    摘要以共軛曲面嚙合理論為基礎，運用矢量的旋轉變換矩陣法，分析並推導了圓錐滾子擺動從動件圓錐凸輪機構的嚙合方程和廓面方程，並給出了機構的壓力角和綜合曲率的計算公式，為圓錐凸輪加工精度的提高，改進其加工方法，實現凸輪cad / cam一體化奠定了堅實的理論基礎。
  18. Secondly, for satellite controlled by reaction wheels, an algorithm or strategy is presented. and then reaction wheels are used to generate a known disturbance torque, using thrusters as controller and gyro as the attitude sensor, a thruster parameters calibration for thruster levels and alignments on - line is achieved

    其次，針對反作用飛輪控制的衛星，提出了一種衛星質量特性在線辨識策略和辨識演算法，並利用反作用飛輪產生擾動力矩，推力器作為控制執行機構，使用陀螺測量衛星姿態角速度，實現推力器推力大小和方向等參數的在線辨識。
  19. It must then make fewer turns per second, in obedience to a law of physics called the conservation of magnetic moment ( this is similar to the law of conservation of angular momentum that slows a spinning ice dancer down as he spreads his arms )

    服從稱為磁矩守恆的物理定律，其會減少每秒旋轉的次數（這一定律與角動量守恆定律很相似，花樣滑冰舞者通過伸展自己的上肢來減慢自己旋轉的速度就是利用這一原理） 。
  20. In course of the simulation of mathematical model, this paper analyses and calculates quantitatively the key variables of torque pulsation, that is electromotive force wave and current wave, and tables a proposal through controlling the angle of pwm supply voltage, at the same time the results are given

    在數學模型的動態模擬求解中，對電機轉矩產生的關鍵量?電動勢波形和電流波形進行分析研究和定量計算，並提出通過控制pwm電壓的開關角來降低轉矩脈動的方法，同時給出模擬結果。
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