航空機搭載型ドップラーライダーによるスペクトルフィッティング法を用いた乱気流検知

概要

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Air turbulence has become a major cause of significant injuries and aircraft damages. We are pursuing the research and development of a practical airborne Doppler LIDAR that will detect air turbulence ahead of an aircraft in-flight and give advanced warning to pilots. Although a larger measurement range could be achieved by using higher powered laser, it implies larger and heavier devices which are not favorable for airborne applications. We use a wind velocity width to detect air turbulence and introduce a spectral fitting method which reduces measurement errors of the wind velocity width and extends the measurement range. This paper describes the effect of the detection of air turbulence using the wind velocity width estimated by the spectral fitting method.
2011-09-05