Progress in spaceborne shimmer detector and data application
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摘要:星载微光探测仪器可以在低照度条件下获取可见光至近红外谱段的云图及地面特征资料,是监测夜间和晨昏时段低云大雾的最有效手段。本文介绍了星载微光探测原理;综述了国内外星载微光探测仪器的发展历程,对其卫星系统、仪器技术指标、成像关键技术、数据特点等做了详细论述;最后总结了星载微光探测技术在低云大雾监测、城市灯光和火情监测、烟雾和尘埃监测等方面的应用,它可为我国气象卫星发展相近载荷起到借鉴作用,并完善和丰富我国现有的气象业务观测体系。Abstract:Spaceborne shimmer detector can get satellite cloud image from visible to near-infrared wave band and the earth's surface character data in low-light condition, and it is the most effective instrument for detecting the low clouds and heavy fog during nighttime and twilight. This paper introduces the principle of spaceborne shimmer detection. Then, it reviews the recent development of spaceborne shimmer detector in home and abroad, and describes its satellite system, instruments' technical target, key imaging technology and data character. Finally, it discusses some applications of spaceborne shimmer technology in city light and wildfire detection, cloud and fog detection, dust and smoke detection and so on. Spaceborne shimmer technology can provide a platform for Chinese meteorologic satellite development, and could increase and broaden the method of weather observation.
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Key words:
- shimmer imaging detector/
- data application/
- spaceborne
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表 1OLS和VIIRS指标对比
Table 1.Comparation of OLS and VIIRS technical targets
表 2可见光红外成像辐射仪的通道设置
Table 2.Bands′setting of VIIRS
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