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- International Celestial Reference Frame(ICRF) 国际天球参考架
- Keywords VLBI;Terrestrial Reference Frame;Celestial Reference,,,,Frame;Earth 0rientation Parameters;Modern Crustal Motion; 地球参考架;天球参考架;地球定向参数;现代地壳运动;
- celestial reference frame 天球参考架
- Keywords Astrometry;Celestial reference frame;Block Adjustment of Overlapping CCD frames;Data analysis; 天体测量;天球参考架;CCD重叠观测整体平差方法;资料处理;
- Direction, especially angular direction measured from one position to another using geographical or celestial reference lines. 方位，相对位置方向，尤指用地理学的或天体图线测量的从一个固定位置到另一个位置的带有角度的方向
- The Multiple Reference Frame Feature in ADINA CFD. 多参考坐标系算法。
- IAU will adopt the Celestial Intermediate Pole (CIP) as the celestial reference pole from 1 January 2003. IAU决定从2003年起采用天球中间极作为天球参考极。
- Direction,especially angular direction measured from one position to another using geographical or celestial reference lines. 方位，相对位置方向，尤指用地理学的或天体图线测量的从一个固定位置到另一个位置的带有角度的方向
- This equation describes the transformation of the determinant 9 from one reference frame to another. 这个方程式给出了从一个参照标架转到另一个参照标架时行列式9的变换式。
- We now wish to determine the lengths of these rods when viewed from a moving reference frame. 现在我们想确定，当从运动的参照系看时，这些杆有多长。
- This proves that any tensor equation which holds true in one reference frame is also true in any other frame. 这证明了在一个参照标架中成立的任一张量方程，在另一参照标架中也成立。
- The primary objectives of the IERS are to serve the astronomical, geodetic and geophysical communities by providing access to international terrestrial and celestial reference systems. 国际地球自转及参照系服务（IERS）的主要目标是通过提供国际陆空参考系统的入口来为天文学、测地学和地球物理学的研究团体服务。
- It is an established convention to speak of the fixed stars as a standard unaccelerated reference frame. 把固定的恒星说成是标准的非加速参照系，这是一种已经确立的习惯。
- It is particularly important to understand forces that act in a reference frame in circular motion. 特别重要的是，我们一定要搞清楚在作圆周运动的参照系中起作用的那些力。
- Or your reference frame is at rest in an aircraft that accelerates rapidly on takeoff. 另外，你的参照系静止在一架起飞之后迅速加速的飞机上。
- The model is continued by imposing a polar coordinate system on the moving reference frame. 通过把极坐标系作为该运动参照系而继续对模式进行积分。
- DTC directly calculate and control the torque of AC drive in the stator reference frame. 直接转矩控制在定子坐标系下计算和控制交流电机的转矩，采用定子磁场定向控制，直接对逆变器的开关状态进行最佳的控制。
- It is suggested that the PRF-ITRF2000 is probably an appropriate absolute reference frame. 比较了这 3种板块绝对运动模型的利弊。 综合起来看PRF -ITRF2 0 0 0可能是一个比较合适的基于空间数据的绝对参考架
- Remanent magnetism of soil layer is taken as a reference frame for locating hy-drocarbon seepage zone. 本文利用土壤剩余磁性作为确定烃类渗漏带的参考系。
- International Celestial Reference 国际天球参考系
