Enhancing Selkirk College's RPAS Capacity

光距离和测距，或激光雷达，是一种主动遥感技术。激光雷达系统发射激光脉冲并测量时间，直到反射光被检测到。然后可以用光速计算出与系统的距离。结果数据表示为3D点云。激光雷达在林业中有很多应用，因为一些激光脉冲可以穿过树冠到达地面，或者被森林树冠的部分反射回来。这样就可以创建详细的表面或地形模型，以及森林中树木和灌木的详细模型。精确和紧凑的激光雷达系统可以在相对便宜的遥控空中系统（RPAS -也称为无人机）上飞行，使组织能够根据需要收集自己的空中激光雷达。塞尔柯克学院正在征求一个绿谷国际LiAir S220和相关软件。LiAir 220可以与我们现有的DJI M600 Pro六旋翼机一起使用，以收集数据，支持我们与小型RPAS公司及其林业客户合作开展的应用研究项目。

Light Distance And Ranging, or lidar, is an active remote sensing technology. The lidar system emits laser pulses and measures the time until the reflected light is detected. Distance from the system can then be calculated using the speed of light. The resulting data is represented as a 3D point cloud. Lidar has many applications in forestry because some of the laser pulses reach through the canopy to the ground, or are reflected back by parts of the forest canopy. This enables the creation of both detailed surface or terrain models, and detailed models of trees and shrubs in the forest itself from a single survey. Accurate and compact lidar systems can be flown on relatively inexpensive remotely piloted aerial systems (RPAS - also known as drones), enabling organizations to collect their own aerial lidar as needed. Selkirk College is requesting a Green Valley International LiAir S220 and related software. The LiAir 220 can be used with our existing DJI M600 Pro hexacopter to collect data in support of applied research projects we are conducting in partnership with small RPAS companies and their clients in the forest industry.