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LAND-BASED MOBILE LASER SCANNING SYSTEMS: A REVIEW
Land-based Mobile Laser Scanning LiDAR GNSS/INS Multi-sensor system Road inspection Urban Mapping
2014/6/5
Mobile mapping has been using various photogrammetric techniques for many years. In recent years, there has been an increase in the number of mobile mapping systems using laser scanners available in t...
激光控制平地系统激光接收器设计与试验（Laser Receiver Used for Laser-controlled Land Leveling System）
激光平地 激光接收器 前置放大电路
2009/11/3
激光接收器是激光控制平地系统的关键部分。为了更有效地检测激光信号，扩大接收范围，增加接收距离，提高稳定性和抗干扰性，设计了一种基于集成IC的新型激光接收器。其原理是以红色有机玻璃作为透光窗口，并采用干涉型滤光片来滤除背景光；以硅光电池作为光电探测器，将激光信号转换为电信号；然后采用集成运算放大器设计低噪声前置放大器和主放大器对微弱电信号进行放大；最后，脉冲整形和展宽电路实现脉冲信号到TTL数字信号...