The Earth Pulse map, for instance, has a menu on the side that allows users to display information based on metrics such as population, meat consumption and deforestation.
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.
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。
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The transmitted information is coded into the amplitude of the pulses so that each predetermined value of pulse energy is associated with a message.