Projection 发表于 2025-3-23 09:43:40
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Introduction to remote sensingormation’ is typically in the form of electromagnetic radiation that has either been reflected or emitted from the earth’s surface. Since no single instrument is capable of detecting all of this radiation, a number of different sensors have been developed, each of which acquires energy measurements怪物 发表于 2025-3-23 20:46:54
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The geometry of aerial photosls, low obliques, or high obliques. Verticals are taken with the optical axis of the camera in a vertical position (Fig. 11); more commonly, however, the axis is 1–2° from vertical because of uncompensated motions in the aircraft. Oblique photos, in contrast to verticals, are taken with the optical吸气 发表于 2025-3-24 03:34:07
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The Landsat systeming data used by land planners is acquired from conventional aerial photos. There is one other system whose products have proved to be of value, particularly when information is needed over large areas. Landsat is an earth-orbiting satellite system which acquires multispectral data of the earth’s su影响带来 发表于 2025-3-24 18:25:27
Remote sensing input to geographic information systemsing at the local level. This fragmentation of responsibility has led to a multitude of approaches to the planning process with little attendant agreement on what the planning process should even involve. For the purposes of this book, the planning process will be viewed as ideally consisting of seveprick-test 发表于 2025-3-24 22:33:06
Land use/land cover: inventory and changeany years. Existing land uses, because of their strong influence on how land will be used in the future, are a crucial element in the development of a land use or land development plan. They are also useful for purposes of tax assessment, for the development and implementation of zoning ordinances,Gerontology 发表于 2025-3-25 00:49:29
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