用解球面三角形的方法,通过两天体的球面距离,求得星位角,从而求得船位的经纬度。
Through the solution, the star position angle can be found with so - called "star distance" (Short for the spherical distance between two stars)determined So as to have the fix solved.
它们当中最热的恒星位于猎户四角恒星簇的区域。
天文测量误差极限:参考星位置对应的最大误差,用角秒表示。
Astrometric Limit: The maximum residual in the place of a reference star, specified in arc seconds.
由于同步轨道通信卫星位于距离地球36000公里的赤道上空,因此长距离的线运动干扰与角运动干扰相比,其扰动作用显得微乎其微。
The first kind of disturbance influences the communication more than the second kind because the geostationary communication satellite is located in the orbit 36000 kilometers higher than equator.
由于同步轨道通信卫星位于距离地球36000公里的赤道上空,因此长距离的线运动干扰与角运动干扰相比,其扰动作用显得微乎其微。
The first kind of disturbance influences the communication more than the second kind because the geostationary communication satellite is located in the orbit 36000 kilometers higher than equator.
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