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中高层大气测风激光雷达数据采集系统

Chinese Journal of Lasers(2015)

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Abstract
研制了应用于中高层大气(15~60 km)多普勒测风激光雷达(DWL)的双模式数据获取系统(DMDAQ).该系统技术指标达到国际先进水平,不仅满足了中高层大气多普勒测风激光雷达线性动态探测范围大、时空分辨率高的技术要求,而且以其集成度高、可重构的特性满足当前车载DWL研制中小型化和更新升级的需要.为了验证该数据获取系统的性能,进行了风场观测对比实验.结果显示,车载DWL系统对风场观测的结果与气球探测结果在重叠区域(15~35 km)上基本一致.同时,对车载DWL系统的实时回波信号分析显示,在60 km探测高度上的风速测量精度为6 m/s.
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Key words
remote sensing,wind Lidar,double-edge technique,data acquisition,large dynamic range
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