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。

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。

Through example, analyzing positioning precise influence which broadcast ephemeris and precise ephemeris process different length baselines.

实例分析了广播星历和精密星历对于不同长度基线相对定位精度的影响.

It can also be got in th post-processing according to the precise ephemeris .

在后处理中也可以用精密星历来计算卫星坐标。

It can also be got in th post - processing according to the precise ephemeris.

在后处理中也可以用精密星历来计算卫星坐标.

Until the Eastern Han Dynasty, historian with the ephemeris officer is always unity.

直到东汉, 史官与星历官始终是合一的.

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.

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.

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。

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。