precise ephemeris

常见例句

The broadcast ephemeris, which is the basic of satellite navigation, must be precise and real time.
卫星导航定位的基础，要求有较高的精度和实时性。
The thesis uses the generalized extended interpolation method in precise satellite ephemeris and clock bias interpolation and GPS height fits.
本文采用广义延拓法进行卫星精密星历插值、卫星精密钟差插值和GPS高程转换。
On the basis of the periodicity of the designed orbit of GPS satellite, trigonometric function polynomial interpolation method is used to interpolate the IGS precise ephemeris.
考虑到GPS卫星的设计轨道具有明显的周期性，用三角函数多项式方法进行精密星历插值，并与经典的拉格朗日插值方法进行了比较。