角動量軸 的英文怎麼說
中文拼音 [jiǎodòngliángzhóu]
角動量軸
英文
axis of angular momentum-
Angular momentum is an axial vector quantity.
角動量是一種軸矢量。This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization
本文以拉格朗日方程為理論基礎,對慣性制動器在制動時的振動進行數學建模,然後用matlab對其進行模擬,得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系,為慣性制動器的結構優化提供了理論依據。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。After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control
在指向反射鏡的擺動控制方面,採用低速性能好的分裝式直流力矩電機作為指向反射鏡的驅動電機,並採用感應同步器作為角度測量元件,運用軸角轉換器ad2s80a進行角度和速度的輸出,採用技術成熟的pid控制方案,進行速度和位置雙閉環控制,以實現指向反射鏡轉動速度的平穩性和位置的精確性。The model of influence upon the parallel between servo optic axis from the angle error of installation plans presented. whereby the theoretic analysis is carried out and the analyzing results are obtained. the method of obtaining the angle error through measuring the installation plans with three - coordinates measuring device and fitting the measurement data is put forward and pave a road for lessening the influence
對安裝面角誤差影響隨動光軸平行性的問題也建立了數學模型,以此為出發點進行理論分析,給出了分析結果;提出用三坐標測量機測量安裝面,通過擬合得到安裝面的角誤差;從而為減小這一誤差源對隨動光軸平行性的影響鋪平了道路。The rotational inertia of an arbitrarily triangle uniform plane is calculated by a simple method. it is pointed out that principal axes can be deduced from the calculation
摘要用一種簡單的方法計算了均質的任意三角形平板剛體的轉動慣量,並由此結果給出一般三角形的慣量主軸。We had observed more than ten selected asteroids using 1 - meter telescope in yunnan observatory during 2000 to 2002. the observational data of seven asteroids had been reduced and analyzed. we have derived their synodic periods and estimated the shape and orientation of rotational axis for one asteroid
為此,我選定了一些直徑在125公里左右的小行星進行觀測和分析;一方面,測定它們的自轉周期,進行「角動量衰減」現象的研究,另一方面,對小行星形狀和自轉軸指向進行估算,為小行星碰撞演化研究提供更為有利的證據。Recent researches extend the single axis approach to recover unknown rotation angles from uncalibrated image sequence based on a projective geometry approach. but these methods limited by the expense of computing fundamental matrices and trifocal tensors or of the nonlinear optimization involved in computing epipolar tangencies
因此,探索一種有效而簡單的演算法,求解單軸旋轉運動中的不變量和旋轉角度,是當前計算機視覺技術中的一個熱點研究課題,也是本文的研究目的和出發點。This contrasts with the computation of fundamental matrices and trifocal tensors, which use only a subsequence of 2 and 3 views respectively. secondly, in our methods, the essential geometry of the image single axis geometry may be specified by six parameters and this may be estimated from one conic and one fundamental matrix ( a total of 12 parameters ) or may be minimally estimated from two conies ( a total of 10 parameters ). previous methods have involved estimating more than this minimum number of parameters
從本質上講,本文提出的演算法是一個多視角幾何演算法,它充分利用了所獲得的圖象序列,將單軸旋轉運動的幾何信息很好地融入於二次曲線當中,從而創新地提出了利用二次曲線對單軸旋轉運動的不變量進行分析的方法,並首次求解出了單軸旋轉運動中的全部不變量。Proceed from the angle of energy and taking considerations on interference factor and drag of airfoil profile, a kind of new typed calculation method on the design of vane air foil was put forward according to the vortex aerodynamics model of the rotor of wind turbines with horizontal axis
摘要根據水平軸風力機轉子的渦流氣動模型,從能量的角度入手,考慮干涉因子和翼型阻力,提出了葉片翼型設計的一種新型計算方法。In theoretical analysis, the motion of radially - emitted electron beam in diode region and drift region has been analyzed, and the relation between radial momentum or current of electron beam and the guiding magnetic field has also been studied, then the possibility to optimize the guiding magnetic field has been derived. the motion of radially - emitted beam electrons in smooth bore magnetron and smooth bore milo has also been studied theoretically. at last, the motion of radially - emitted beam electrons in compound axial and azimuthal magnetic field has been studied
在理論分析中,初步分析了軸向發射條件下電子在二極體區域和漂移區的運動規律,電子徑向動量隨著外加磁場變化的規律,以及電子束電流隨著外加磁場的變化規律,還有二極體區域磁場優化的可能性;分別研究了有軸向磁場時以及有角向磁場時徑向發射的電子在光滑陽極結構中的運動規律,最後分析了在軸向和角向復合磁場中電子的運動規律。These designing parameters include stiffness of epicyclical bearings, synthetic meshing stiffness of gears, stiffness of supporting bearing of out put shaft, mass of inner rack, meshing angle of gears, distance between inputting shaft and supporting shaft and input speed etc. according to these analyses, the possible way for improving the dynamic function of three - ring transmission may be put forward
這些設計參數包括:行星軸承剛度、齒輪綜合嚙合剛度、輸出軸支承軸承剛度、內齒板質量、齒輪嚙合角、輸入軸和支承軸間距及輸入轉速等,根據這些分析,可以提出改善三環傳動動態性能的可能途徑。We presents a detailed studied of the linewidth of parametric light in clbo - opo caused by the linewidth of pumping beam, off axis phase matching, divergence angle of pumping, time above threshold, high gain coefficient of nlo crystal, fluctuate of cavitylength, spontaneous radiation, according to the momentum and energy conversion laws, and the sellmeier equations of the clbo, we calculated curves of the type - i and type - ii compared with the bbo ' s
根據能量動量守恆關系和clbo的色散方程,詳細分析了由於泵浦光的線寬、泵浦光偏軸泵浦、泵浦光的發散角、泵浦光功率超過參量光振蕩閾值一定倍數、高增益系數、有效腔長波動以及自發輻射引起的參量光線寬,並得到了與bbo晶體在類、類相位匹配下比較的理論曲線。In deducing the motion we will need to concern ourselves only with the component of angular momentum related to this axis.
在分析這種運動時,我們只需涉及在該軸方向上的角動量分量。The satellite attitude control system has been analyzed in detail, in order to apply in diagnosis, the dynamic simulation modular of satellite that controlled by off - center momentum wheel has been accomplished, and the parameters were determined in a certain satellite
對三軸穩定衛星的姿態控制系統進行分析,從故障診斷應用模型的角度出發,建立了偏置動量輪控衛星的姿態動力學系統的動力學模型和模擬模型。針對某型號衛星確定了系統參數。In the test, choose the angle contact bearing as test bearing, and work in the different position of spindle system, then test the temperature and vibration of the bearings in different speed and different loading, and analysis the data to verified the mathematics models
首先根據理論計算,選用適用於高速運轉的一組角接觸球軸承,各軸承處在軸系中不同位置,然後通過試驗分別對各軸承的工作溫度和軸系振動量進行測量,最後對數據進行分析,通過試驗驗證前面所建立的數學分析模型的正確性。The orientation state of the molecule can be described by angular momentum eigenstate of the molecule rotating around its long axis ; the state of the molecule center - of - mass can be described by energy eigenstate of the particle in the harmonic well potential
)和分子質心位矢( ? ) 。分子取向態可用分子繞長軸自轉角動量本徵態描述;分子質心態可用質點在諧振子勢阱中的能量本徵態來描述。The main reason of the stepped spillway having greater energy dissipation is tha there is big horizontal vortex in the inner angel of the steps and it makes momenbo exchange with outer mainstream then accelerates the theulence in the water
由於階梯的存在,使得水流在階梯凹角內產生強烈的水平橫軸旋渦,旋滾水流與外部主流之間不斷進行的動量交換加劇了水流內部的紊動,從而使階梯溢流壩有較高的消能率。Considering that the direction of is the same as of rotational angular momentum l about molecular long axis, can be expressed as l divided by its length
考慮到| ^和分子繞長軸自轉角動量l | -方向相同,可表示為l | -除以它的長度。In classical physics, angular momentum is a property of an object that rotates with respect to an axis
在古典物理中,角動量是物體以某個軸旋轉所具有的性質。分享友人