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首页> 外文会议>Asian conference on remote sensing;ACRS >DEVELOPMENT OF HYPERSPECTRAL IMAGING SENSOR, WHICH MOUNTED ON UAV FOR ENVIRONMENTAL STUDY AT COASTAL ZONE
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DEVELOPMENT OF HYPERSPECTRAL IMAGING SENSOR, WHICH MOUNTED ON UAV FOR ENVIRONMENTAL STUDY AT COASTAL ZONE

机译：安装在无人机上用于沿海地区环境研究的超光谱成像传感器的开发

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Seagrass and seaweed beds are very important for fish's growth, but the beds are sensitive to environmental changes and human activities. Coastal zone monitoring is necessary for the conservation of seagrass and seaweed beds. Satellite data are used for the coastal zone monitoring. There are large atmospheric effects at the satellite data, and low altitude observations using UAV have the benefits of small atmospheric effects. Hyperspectral image data are powerful tools for determination of seagrass and seaweed species, and we want to develop a hyperspectral imaging sensor on UAV for the environmental study of coastal zone. In our previous studies, a hyperspectral array sensor system for an unmanned radio-controlled helicopter was developed. The specifications of the hyperspectral sensor were 400-1000 nm spectral range, 121 bands, 5 nm spectral resolution, and 11 kg weight. This system is too heavy for ordinary UAV and very expensive system. The hyperspectral imaging sensor on UAV has to be compact, lightweight and low cost. Last year, at the 34th ACRS, we presented the measurement system, and it could observe only nadir and the observed data were on flight line. Now we are making the prototype of hyperspectral image sensor, which can get area data using swing mirror. The spectral data of target ground or sea-surface are gathered at one side of glass fibers bundle. At the other side of glass fibers bundle, the spectral data are sequentially given to seven glass fibres by the swing mirror. The swing mirror is controled by a stepping motor and the swing speed of the mirror are variable. Eight Mini-Spectrometers manufactured by Hamamatsu Photonics are prepared. Each Mini-Spectrometer is connected one glass fibre. One Mini-Spectrometer is used for sky light monitoring and sevmeters are used for spectral data of target earth surface. The total weight of the the prototype of hyperspectral image sensor is about 5 kg. The system loaded to unmanned airplane in this summer and we got early phase results.
机译：海草和海藻床对于鱼类的生长非常重要，但是这些床对环境变化和人类活动敏感。沿海地区的监测对于养护海草和海藻床是必不可少的。卫星数据用于沿海地区监视。卫星数据对大气的影响很大，而使用无人机进行低空观测的好处是对大气的影响很小。高光谱图像数据是确定海草和海藻种类的有力工具，我们希望开发一种用于无人机的高光谱成像传感器，用于沿海地区的环境研究。在我们以前的研究中，开发了一种用于无人遥控直升机的高光谱阵列传感器系统。高光谱传感器的规格为400-1000 nm的光谱范围，121个波段，5 nm的光谱分辨率和11 kg的重量。对于普通的无人机而言，该系统太重，而且价格昂贵。无人机上的高光谱成像传感器必须紧凑，轻巧且成本低廉。去年，在第34届ACRS上，我们展示了一种测量系统，它只能观测最低点，并且观测的数据都在飞行线上。现在，我们正在制作高光谱图像传感器的原型，该原型可以使用后视镜获取区域数据。在玻璃纤维束的一侧收集目标地面或海面的光谱数据。在玻璃纤维束的另一侧，通过摆动镜将光谱数据依次提供给七根玻璃纤维。旋转镜由步进电机控制，并且反射镜的旋转速度是可变的。准备八台由Hamamatsu Photonics制造的微型光谱仪。每个微型光谱仪均连接一根玻璃纤维。一台微型光谱仪用于天光监测，而几度仪用于目标地球表面的光谱数据。高光谱图像传感器原型的总重量约为5千克。该系统在今年夏天装载到无人飞机上，我们获得了早期阶段的结果。

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