激光雷达的光脉冲返回卫星所消耗的时间提供了大气中云或者粒子的位置信息。

The length of time the lidar’s light pulse takes to return to the satellite provides information about where the clouds or particles are in the atmosphere.

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在一次森林调查期间，从一架飞机负载的激光雷达上扫射出一束发出大约一秒7万次脉冲的红外光从树冠层上穿过。

During a forest survey, an aircraft-borne lidar sweeps a beam that fires about 70, 000 pulses a second over the canopy.

youdao

在一次森林调查期间，从一架飞机负载的激光雷达上扫射出一束发出大约一秒7万次脉冲的红外光从树冠层上穿过。

During a forest survey, an aircraft-borne lidar sweeps a beam that fires about 70,000 pulses a second over the canopy.

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