ephemeris

基本解释

Based on satellite ephemeris and time data of the satellite coordinates of the celestial coordinate system.
根据卫星星历和时间数据计算卫星在天球坐标系中的坐标。
Newton discovers gravitational theory, built up classic mechanics, he uses a formula the biggest ephemeris sport in the cosmos and minimum grain sport of the son unify.
牛顿发现万有引力定律，建立了经典力学，他用一个公式将宇宙中最大天体的运动和最小粒子的运动统一起来。
A fast design method for the lunar satellite transfer trajectory is presented by combining patched conic technique and ephemeris.
提出了一种将圆锥曲线拼接法与历表相结合，快速设计月球卫星地月转移轨道的方法。

In seventeen sixty-six, Royal Astronomer Nevil Maskelyne published the Nautical Almanac and Astronomical Ephemeris.

It then combines this real-time information with ephemeris data, mapping, cellular base station and Wi-Fi access point database information, and other cloud-based aiding information using the SiRFusion platform.
ENGADGET: CSR sharpens indoor and in-car navigation with SiRFstarV, SiRFusion and SiRFprimaII

星历
The main work and conclusions of this study are summarized as follows:1、All kinds of the GPS satellite ephemeris are introduced.
主要工作及结论是:1、介绍了GPS卫星星历的类型。
星历表

星历
The new method is able to achieve better estimation performance, with the help of wavelet de-noising under the environment of low SNR under certain satellite ephemeris, the estimation accuracy is also improved.
该方法在卫星星历精度一定的条件下,利用小波去噪特性,能够在低信噪比环境下有效的估计出接收信号的TDOA参数值,提高估计精度。
星历表