ephemeris
基本解释
- n.[天文]天体位置表；星历表
英汉例句
- 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
双语例句
原声例句
权威例句
词组短语
- precise ephemeris 精密星历表；精确星历表
- operational ephemeris 作业星表
- ephemeris parameter 星历参数
- ephemerides ephemeris 的复数
- Ephemeris File 星历文件
短语
英英字典
- a table giving the future positions of a planet, comet, or satellite
柯林斯英英字典
专业释义
- 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
- 历表
- 星历
- 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
- 星历表
- 星历
- 天文历
- 星历
- 星历表
- 星历