Then, the effects of radar beacon position, cluster geometry and satellite altitude on the geometry dilution of precision factor are analyzed.

进一步分析了雷达辐射源位置、星座几何形状和星座的卫星高度对几何精度衰减因子的影响。

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The satellite USES radar to measure its altitude above the ice sheet.

卫星用雷达测定卫星从冰层顶部算起的高度。

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At that low altitude, this orbit will not last very long, and the satellite will reenter into the Earth's atmosphere.

在低空，轨道，无法维持太久，卫星会重新进入地球大气。

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You can view maps in terrain or satellite and utilize GPS with altitude reading and position mapping features.

FORBES: The New Travel Technology: Niche Destination Apps

But officials said Wednesday's launch from the site 480km (298 miles) south of Seoul had gone as planned and that the rocket had reached its target altitude and deployed its satellite.

BBC: South Korea launches space rocket carrying satellite

SPADUS, was put into orbit, at an altitude of 850km, aboard a military satellite.

ECONOMIST: Orbital debris