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首页> 外文会议>Conference on atmospheric propagation VI; 20090414-16; Orlando, FL(US) >Integrated Atmospheric Characterization System
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Integrated Atmospheric Characterization System

机译：综合大气表征系统

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The Georgia Tech Research Institute (GTRI) is developing a transportable multi-lidar instrument known as the Integrated Atmospheric Characterization System (IACS). The system will be housed in standard shipping containers that will be transported to remote sites by tractor-trailer. IACS will comprise three lidars: a 355 nm imaging lidar for profiling refractive turbulence, a 355 nm Raman lidar for profiling water vapor, and an aerosol lidar operating at both 1.06 and 1.625 microns. All of the lidar transmit/receive optics will be co-aligned on a common mount, pointable at any elevation angle from horizontal to vertical. The entire system will be computer controlled to facilitate pointing and automatic data acquisition. The purpose of IACS is to characterize optical propagation paths during outdoor tests of electro-optical systems. The tests are anticipated to include ground-to-ground, air-to-ground, and ground-to-air scenarios, so the system must accommodate arbitrary slant paths through the atmosphere with maximum measurement ranges of 5-10 km. Elevation angle scans will be used to determine atmospheric extinction profiles at the infrared wavelengths, and data from the three wavelengths will be used to determine the aerosol Angstrom coefficient, enabling interpolation of results to other wavelengths in the 355 nm to 1.6 micron region. The imaging lidar for profiling refractive turbulence is based on a previously-reported project known as Range Profiles of Turbulence.
机译：佐治亚理工学院（GTRI）正在开发一种便携式多雷达仪器，称为综合大气特征系统（IACS）。该系统将装在标准的运输容器中，然后将其通过拖车拖运到偏远地区。 IACS将包括三个激光雷达：用于描绘折射湍流的355 nm成像激光雷达，用于描绘水蒸气的355 nm拉曼激光雷达以及工作于1.06和1.625微米的气溶胶激光雷达。所有的激光雷达发射/接收光学器件将在一个通用安装架上共对准，可指向从水平到垂直的任何仰角。整个系统将由计算机控制，以方便指示和自动数据采集。 IACS的目的是在电光系统的室外测试过程中表征光传播路径。预计测试将包括地对空，空对地和地对空场景，因此系统必须适应通过大气的任意倾斜路径，最大测量范围为5-10 km。仰角扫描将用于确定红外波长处的大气消光曲线，而来自三个波长的数据将用于确定气溶胶埃系数，从而能够将结果插值到355 nm至1.6微米范围内的其他波长。用于描绘屈光湍流的成像激光雷达基于先前报告的称为“湍流范围分布”的项目。

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