Called LADAR, the technology works in a similar way to radar, calculating the range of an object from the time it takes for a pulse to reach it and then be reflected back.
这种技术被称作LADAR，它的原理和雷达差不多，都是通过计算脉冲到达一个物体并返回所用的时间来确定物体的大小。
Ladar, which can obtain range image and intensity image, may provide much useful information than other imaging system.
激光雷达能同时成距离像和强度像，较其他的成像体制给出更多的有用信息。
The imaging ladar is good at classifying objects because it can send laser actively, receive the reflected wave, and produce angle-angle-range-intensity image.
激光成像雷达主动发射激光，接收其反射回波，能成角-角-距离-强度像，较易于实现目标识别。
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