ephemeris
美 [ɪ'femərɪs] 
英 [ɪ'femərɪs]
- n.【天】天体位置表；星历表
- 网络天文年历；历书；星历内容
词形变化
复数：ephemerides
英汉解释
英英解释
例句
We have to acquire the following "tools" to work with: an ephemeris for the year the horoscope is to be made.
我们必须在工作中使用“工具”，出生那年的一个星历表。
Summary: Pocket Stars is an astronomy application featuring an integrated star chart, ephemeris, and celestial navigation calculator.
综述：特色应用袖珍星星是一个综合天文星图、星历、天文导航计算器。
The main contents of this paper include: 1. The precision test algorithm of the satellite broadcast ephemeris and orbit determination.
本文主要研究的内容包括：1。卫星广播星历精度测试方法和卫星轨道确定精度测试方法。
After comparison with overlay pass, other ephemeris and propagation, it was analyzed the orbit determination and propagation accuracy of LP.
通过重叠弧段比较、外部星历比较以及预报比较，我们分析了LP的定轨和预报精度。
The ephemeris of GPS satellites and the coordinates of the satellites are the mathematical basis in solving the GPS baselines.
在GPS基线解算中，卫星星历是解基线的数学基础，星历的精度对基线解算结果具有影响。
You may use the on-line New Object Ephemeris Generator to generate ephemerides to enable you to find the object after the first night.
你可以使用在线星历表生成器来计算你发现的目标的以后的位置预报。
ASPECTS FORMED TO THE PRIME SIGNIFICATOR in the ephemeris from day to day or from week to week, as the case may be.
主守护星的相位结构，在星历表里一天一天或一周一周的去寻找可能性。
Devices and methods are described for determining position information without broadcast ephemeris data for extended time periods.
描述了用于对延长的时间段确定位置信息而无需广播星历数据的设备和方法。
The system in 1964 after he completed the U. S. military use in 1967 will be declassified Ephemeris and the provision of civil service.
1964年该系统建成后即被美国军方使用，1967年将星历解密而提供民用服务。
Supposing we wish to make a horoscope for a native born August 3rd 1901, we have to buy an ephemeris for the year 1901 at some book store.
假设我们希望建立一个1901年8月3日当地出生的诞生星辰。我们就必须到书店去买1901年的星历表。
With enough satellite ephemeris parameters 1-level data can be got by systematic correction.
在星历参数充分的条件下，经过系统校正可得到一级带。
The broadcast ephemeris , which is the basic of satellite navigation, must be precise and real time.
导航卫星广播星历是卫星导航定位的基础，要求有较高的精度和实时性。
Person finally will become greenery be the ephemeris normal regulation.
人终究会成为绿叶就是天体的正常规律。
Using the precise ephemeris and the precise satellite clock correction can realize the precise point positioning(PPP).
精密单点定位的实质就是利用精密星历和精密卫星钟改正来实现定位。
The coordinates of the satellites are got according to the broadcast ephemeris received.
卫星的坐标是根据接收到的广播星历来计算的。
And then, the precision test for the broadcast ephemeris and orbit determination are put forward; 2.
然后在此基础上，提出广播星历精度测试和轨道确定精度测试的方法；
The scheme can anticipate user's location by using ephemeris message.
该策略利用了星历信息的确定性来预计用户的位置。
The storage mode in the microprocessor of the data which needs to preserve in advance, such as initial ephemeris etc, is also studied. 4.
并对初始星历等需要预先保存的数据在微处理器中的存储方式进行了研究；
used to forecast the next few months which the approximate location of the satellite ephemeris;
用于预报未来几个月内卫星所处概略位置的预报星历；
secondly, acquiring complete ephemeris data by utilizing the received satellite signals, and calculating a coordinate of the GPS receiver;
利用该星历数据计算在一第一时间点时该卫星的一第一坐标；
the storing device is used for storing and renewing the demodulated ephemeris and almanac information and the almanac correction parameters;
存储装置，用于存储及更新解调出的星历和历书信息以及历书修正参数；
Use of a Group of Broadcast Ephemeris to Determine Timely the Position of the GPS Satellite
应用单组广播星历适时确定GPS卫星的位置
Comparison of GPS satellite orbit numerical integration with broadcast ephemeris and IGS precise ephemeris
GPS卫星轨道数值积分与广播星历及IGS精密星历的比较
The research of satellites broadcast ephemeris parameters fitting arithmetic
广播星历参数拟合算法研究
Ephemeris Parameters of Navigation Satellite and Their Fitting Arithmetic
导航卫星的历书参数及其拟合算法
Preliminary Study on Rapid Ephemeris Replacing the Precise Ephemeris in GPS Locating Calculation
快速精密星历替代精密星历定位的初步研究
The Comparison Research on GPS Precise Ephemeris Interpolation Methods
GPS精密星历插值方法的比较研究
Impact of the ephemeris precision of GPS satellites on the solutions of the baselines
GPS星历精度对基线解算的影响
An Autonomously Updated Ephemeris Technique for Navigation Constellation
导航星座自主星历更新技术
Three Interpolation Methods for Precise Ephemeris and Clock Offset of GPS Satellite
GPS卫星精密星历和钟差三种内插方法的比较
Precision Analysis of Broadcast Ephemeris for Medium and High Orbit Satellites
中高轨卫星广播星历精度分析
effect of ephemeris error on the positioning accuracy of double - star positioning system
星历误差对双星定位系统定位精度的影响
A New Orbit Forecast Method Based GPS for High Precision Ephemeris of Earth Resource Satellite
基于GPS的地球资源卫星精密星历外推新方法
Analysis of the accuracy of IGS ultra-rapid precise ephemeris orbit
IGS超快速星历精密轨道精度分析
The Fitting Algorithm of GPS Broadcast Ephemeris Parameters
GPS广播星历参数拟合算法
Study on Using GPS Pseudorange Data to Assess the Precision of Broadcast Ephemeris
GPS监测站伪距观测量评定广播星历精度的研究
Discussion on the fitting of GPS broadcast ephemeris parameters
GPS广播星历参数拟合算法的探讨
Validating Satellite Broadcast Ephemeris by SLR Data
利用SLR数据进行广播星历精度评估
The Applicability of GPS Forecasting Ephemeris
GPS卫星预报星历的适用性
American Ephemeris and Nautical Almanac
美国天文及航海历
