A space-based remote sensing service mode based on cloud+ terminals

doi:10.6046/zrzyyg.2021428

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Abstract

With the vigorous development and in-depth application of civilian and commercial satellites, the space-based remote sensing application demands of different users become increasingly complex. However, the current space-based remote sensing services face problems such as single application mode, weak pertinence, and insufficient flexibility. Based on the analysis of the major application demands of various remote sensing users, this study proposed a space-based remote sensing application service mode based on cloud + terminals. This mode covers eight subcategories in three categories, whose characteristics and application process were analyzed and formulated individually. Last, this study presented the potential applications under two typical scenarios, namely single-person independent application and multi-person collaborative application. The results of this study will lay a foundation for the development, construction, and optimization of various space-based remote sensing ground systems and further improve the space-based remote sensing service capabilities for different users, different application demands, and different application scenarios.

Keywords space-based remote sensing cloud + terminal application need service mode application process

ZTFLH:

TP751.1

Issue Date: 20 March 2023

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	En LONG
	Shouye LYU
	Guodong QIAN
	Cuiping LIAN
	Yuke YANG
	Lingyan CHEN

Cite this article:

En LONG,Shouye LYU,Guodong QIAN, et al. A space-based remote sensing service mode based on cloud+ terminals[J]. Remote Sensing for Natural Resources, 2023, 35(1): 258-264.

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https://www.gtzyyg.com/EN/10.6046/zrzyyg.2021428 OR https://www.gtzyyg.com/EN/Y2023/V35/I1/258

应用类型		应用需求
应用用户	不同层级	国家部委用户、省市级用户、地县级用户、企业用户等
应用用户	不同类别	政府部门、科研研所、院校机构、企业用户等
任务需求	常规保障	时效需求: 通常优于72 h,即从受领任务至提供产品在12~72 h内完成内容需求: 影像数据、文字报告、点位信息、地形图及矢量数据、专题图等
	专项保障	时效需求: 一般较强计划性,会根据任务需求实行定制保障,时效不一内容需求: 影像数据、专题分析图(如洪水、覆冰、滑坡、泥石流等、罂粟种植区、违建信息等)及矢量信息、系列比例尺地图、对象特征(性质、位置、要害部位等属性信息)、数据切片、声像类产品等
	灾害应急保障	时效需求: 要求较高,数据类产品一般为近实时保障,文字报告产品一般优于24 h 内容需求: 一般多需实时影像数据、气象条件及基础地理信息等,时相要求高。如灾害或突发区域影像图、重要设施位置图、救援力量部署信息、人员及财产受损情况、救援进展动向情况、受灾评估、大比例尺地形图、救援区域植被覆盖、道路通行能力、安置区域等信息
场景需求	陆环境	平原场景需求: 标准影像、地图,正射影像、专题成果、数字高程模型(digital elevation model,DEM),道路、河流水系、土质、居民地、交通枢纽等丘陵场景需求: 影像、道路、河流水系、坡度、高地、植被、通视、高程等山地场景需求: 影像、道路(山区小路)、河流山谷、高程、坡度、通视、高地鞍息、冲沟陡崖、植被、方位等沙漠戈壁场景需求: 影像、绿洲、道路、干河床、方位息、高程等信息水网场景需求: 影像、河流湖泊息、船舶通行、桥梁渡口、季节、居民地等信息; 山林场景需求: 影像、道路(山区小路)、植被、河流山谷、方位、坡度、通视、居民地、高程等信息城市场景需求: 影像、城市、重要建筑物、道路(关键街道)、高地等信息
场景需求	海环境	海岸带场景需求: 影像,濒海标注、周边陆地与岛屿分布、岸滩质地、地表情况、海滩状态、陆地植被、道路等近海岸信息等近海场景需求: 影像、近海战场周边陆地与岛屿分布、近海特性(海水特性/岸滩质地/地表情况/障碍情况)、海区情况(面积/形状与开放程度—)、海底情况(地形/底质/海峡/通道及港湾分布等) 远海场景需求: 卫星像、濒海标注材料、周边陆地与岛屿分布\海图、潮汐资料、航海通告等
内容需求	数据需求	成像遥感数据产品: 1级产品、2级产品、3级产品、4级产品、5级产品、6级产品气象遥感数据产品: 值预报产品、卫星云图、雷达资料、热带气旋、灾害天气信息、气候产品等气象数据地理信息产品: 海域及海陆的划界、海底地形及海洋地质等
内容需求	产品需求	文字类产品: 刊物类产品、趋势类产品等测绘类产品: 地理信息产品、各系列比例尺地图、正射影像、镶嵌影像、专题产品气象类产品: 天气形势预报产品、气象要素预报产品、海洋物理要素产品等定制化产品: 地理环境定制化产品、设施评估类产品等

Tab.1 The main application requirements of remote sensing

Fig.1 The main service mode composition of pace-based remote sensing based on cloud + terminal

Fig.2 Application process of subscription service

Fig.3 Application process of emergency service

Fig.4 Application process of online application service

Fig.5 Application process of standard interface service

Fig.6 Application process of interest recommendation

Tab.2 Comparison of each service model

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