principal axes 中文意思是什麼
principal axes
解釋
主軸系-
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。 -
After that, according to thermal conduction theories of anisotropic materials that were irradiated with continuously modulated laser, a photothermal measuring method about the thermal conductivity tensor and the orientation of the principal axis of the conductivity of arbitrarily opaquely anisotropic materials in the descartes coordinate axes was given by virtue of the theories of so ( 3 ) group rotation
隨后又以在連續調制光輻照下的各向異性介質的熱傳導理論為基礎，通過so （ 3 ）群轉動理論，導出確定任意不透明各向異性介質在笛卡兒坐標下的熱導張量和熱導主軸方向的測量方法。 -
In this method, the principal axes method is used to estimate the parameters of the transformation, then with the estimated pamameters as the initialization of powell optimization method and with all of the available information as the feature, a high accurate registration is achieved by calculating the minimum standard deviation between the registered images
該方法首先採用主軸法對變換參數進行初步估計，之後採用powell最優化演算法，利用全圖像灰度信息來作為圖像的參考特徵，通過計算配準圖像之間差的平方和的極值來實現圖像配準，從而提高了配準精度。 -
For global registration of rigid body, based on analysis of the principal axes method, by making use of automatic and very fast nature, and easy implementation of the method, a registration method of principal axes - information is presented to remedy drawback of coarse result
針對單模剛體全局配準，先分析了基於主軸配準法的配準原理，再在此基礎上，利用其計算速度快、全自動化以及容易實現的優點，並針對其配準精度不高的不足，提出了一種基於主軸信息的配準方法。 -
This paper uses the method of tensor to proof the tenable condition of generalized plastic potential, discuss the mathematical essential of the associated and disassociated flow rule and the relation of the yield surface and plastic potential surface, reason the expression of plastic factor strictly. debate the limitation on drucker ' s postulate. subsequently, this paper gives the mathematical basis of constitutive theory involving the rotation of principal stress axes. so it is proved that the mathematical and mechanical foundation of the generalized plastic mechanic
本文運用張量的方法論證了廣義塑性位勢理論成立的充要條件，討論了關聯與非關聯流到法則的數學實質，屈服面與塑性勢面的關系，嚴密推導了塑性因子的表達式，討論了drucker公設的局限性，並給出了考慮主應力軸旋轉時土體本構模型理論的數學依據，系統的論證了廣義塑性力學成立的數學力學基礎。 -
The numerical results show the validity of the model and the effect caused by the yield surface and the rotation of principal stress axes on soil deformation. lastly, the relative results are got by the comparison and analysis
同時，依據兩個算例，分別研究了主軸旋轉和選用不同本構模型（雙屈服面模型、三屈服面模型）對土體位移和應力的影響，得到了相應的結論。 -
The azimuths of the central principal axes of the dangerous sections on the frame of bulldozer are determined. the inertia moments to the central principal axes of the dangerous sections on the frame are calculated. this paper also determines the positions of the dangerous points and calculates the stress values of dangerous points on the dangerous sections
分析了推土機臺車架在最危險工況下的受力狀況，確定了臺車架危險截面的形心主軸的方位、計算了臺車架危險截面對形心主軸的慣性矩、確定了危險點的位置、計算了危險面上危險點的應力值。 -
This kind of structure is bad for anti - earthquake due to the bigger departure of its center of mass and center of rigidity. the structure is irregular both in plane and vertical, and the power character of this structure in the both principal axes is different a lot, so, that ’ s seismic unfavorable
這種結構體系由於其質心和剛心偏離較大，結構在平面及豎向均不規則，結構的兩個主軸方向動力特性相差較大，對抗震來講是非常不利的。
分享友人