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首页> 外文会议>Conference on Sensors, Systems, and Next-Generation Satellites VI Sep 23-26, 2002 Agia Pelagia, Crete, Greece >System definition of the ESA Earth Explorer WALES mission
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System definition of the ESA Earth Explorer WALES mission

机译：ESA Earth Explorer WALES任务的系统定义

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摘要

WALES (Water vapour Lidar Experiment in Space) is one of the three candidate missions that are currently considered for the future ESA Earth Explorer missions. The objective of the mission is to provide better insight into the distribution of water vapour and aerosol in the upper troposphere and lower stratosphere for research and applications in climatology and numerical weather prediction. This is to be achieved by providing globally accurate profiles of water vapour concentration. A direct detection Differential Absorption Lidar has been studied in the frame of the WALES mission pre-phase A. The lidar is based on high power laser emitting several wavelengths in the 920-950 nm range, each wavelength being tunable and frequency locked. The backscatter signal is collected through a large telescope and filtered through narrow band filters. The concept and the expected performance of the instrument are discussed in this paper.
机译：WALES（太空水蒸气激光雷达实验）是目前考虑用于未来ESA Earth Explorer任务的三个候选任务之一。任务的目的是为对流层和平流层下部的水蒸气和气溶胶的分布提供更好的见识，以用于气候学和数值天气预报的研究和应用。这将通过提供全球准确的水蒸气浓度曲线来实现。已在WALES任务预阶段A的框架中研究了直接检测差分吸收激光雷达。激光雷达基于发射920-950 nm范围内几个波长的高功率激光，每个波长都是可调的并且锁频的。反向散射信号通过大型望远镜收集，并通过窄带滤波器进行滤波。本文讨论了该仪器的概念和预期性能。

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