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通过物理手段从外层空间和高空获取地球表面的丰富信息,运用数学方法,根据地学规律进行处理,为研究自然环境和开发自然资源决策服务,这是现代遥感技术的特点。遥感的研究领域正向多波段、多平台、多时相、多学科的综合性和系统性方向迅速拓展。自然资源系指自然界提供的物质和能量,后者是环境组成的有机部分,彼此间有着密切的依存关系,其形成、演化、分布和发展都具有地学、生物学的共性。各种自然资源,又具
It is a feature of modern remote sensing technology to acquire abundant information of the Earth’s surface from outer space and high altitude by physical means, and to use mathematical methods to deal with it according to the law of geology, to study the natural environment and to develop natural resource decision-making services. The research field of remote sensing is rapidly expanding in a multi-band, multi-platform, multi-temporal and multidisciplinary comprehensive and systematic direction. Natural resources refer to the material and energy provided by nature. The latter is an organic part of the environment and closely interdependent with each other. Their formation, evolution, distribution and development have the characteristics of geography and biology. All kinds of natural resources, but also