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雷达
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[物理]
无线探测和测距 (
radio detection and ranging
) 的缩写。 一种有源传感器系统,该系统通过从地球表面反射偏振无线电波并测量反射能量(包括距离、方向和偏振)来探测地球表面要素。
另请参阅
lidar
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