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遥感与很多种技术有关,广泛地应用来造福于人类。所采用的技术可以是“被动”式的,也可以是“主动”式的。“被动”式的技术用于获得环境特征参数局部变化的信息,例如,环境中自然电磁辐射的发射和反射。“主动”式的技术则采用搜索光束(如激光雷达系统和测距装置)或
Remote sensing is associated with a wide range of technologies and is widely used to benefit mankind. The technology used can be either “passive” or “active”. “Passive” techniques are used to obtain information about local changes in environmental characteristic parameters, such as the emission and reflection of natural electromagnetic radiation in the environment. “Active” technologies use search beams (such as lidar systems and distance measuring devices) or