... distance-measuring error 测距误差 distance-measuring satellite 测距卫星 Distance-Measuring Equipment DME 测距仪 ...
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此前对于极地地区的卫星调查使用的是雷达测距技术，在对地球表面进行测绘时难以达到此次ICE卫星的激光测距仪的精度。
Polar regions have relied upon radar measurements that cannot map the Earth's surface with the same precision as the ICESat laser rangefinder.
GPS是全球定位系统的简称，是利用导航卫星进行测时和测距的系统。
GPS is the abbreviation of Global Positioning System, which USES the satellite to navigate and measure location.
该算法的主要应用领域为卫星定位信号和直序扩频测距信号PN码相位的精确测量。
The algorithm is applicable to precise measuring of the PN code phase of satellite positioning signals and spread-spectrum ranging signals.
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