“一带一路”区域国产中高分辨率宽波段多光谱卫星数据获取技术研究
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魏松岩,孟祥强,衣晓宾,李峰,钟兴,陈思
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Research on Data Acquisition Technology of Chinese High-resolution Broadband Multispectral Satellites in the “The Belt and Road Initiative” Region
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Songyan WEI,Xiangqiang MENG,Xiaobin YI,Feng LI,Xing ZHONG,Si CHEN
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表3 “一带一路”数据获取情况
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Table 3 The progress of data acquisition of “The Belt and Road Initiative”
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使用卫星：吉林一号光谱01/02星 有效数据：侧摆≤15°，云量要求≤20%，产品质量A+B， PMS全谱段（20） |
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| 期数 | 区域范围 | 数据时相 | 有效覆盖面积 /万km2 | 有效覆盖比例 | | 一期 | 50° N以北 | 2020.5.1~2021.6.27 | 334.26 | 90.59% | | 38°~50° N | 2020.3.1~2021.6.27 | 1 042.48 | 95.53% | | 38° N以南 | 2020.1.1~2021.5.31 | 1 929.34 | 88.86% | | 整体 | 2020.1.1~2021.6.27 | 3 306.08 | 91.04% | | 二期 | 50° N以北 | 2021.6.28~2021.8.31 | 270.27 | 73.25% | | 38°~50° N | 2021.6.28~2022.3.31 | 1 063.71 | 97.48% | | 38° N以南 | 2021.6.1~2022.3.31 | 1 994.71 | 91.87% | | 整体 | 2021.6.1~2022.3.31 | 3 328.69 | 91.66% |
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