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前言遥感作为一门综合性的探测技术,已从地面的低、中、高、超高空发展到空间,即从几公尺发展到三万六千公里的地球同步轨道,工作波段已从紫外、可见光、红外,发展到微波,即波长从0.3微米发展到几十公分;遥感的工作周期已从几年、几十年的静态遥感,发展到几十分钟一次的动态遥感。遥感技术已形成一个对地球进行观察和监测的多层空间,多波段和多时相的探测网。遥感所能提供的信息除经、纬、高程三个空间位置信息外,还提供电
Foreword As a comprehensive exploration technology, remote sensing has developed from low, medium, high and high altitude on the ground into space, that is, from a few meters to a total of 36,000 kilometers of geosynchronous orbit, the working band has changed from ultraviolet, Visible light, infrared, the development of the microwave, the wavelength from 0.3 microns to tens of centimeters; remote sensing of the work cycle has been from several years, decades of static remote sensing, the development of dynamic remote sensing to dozens of minutes. Remote sensing has resulted in the formation of a multi-layered, multi-band and multi-temporal exploration network that observes and monitors the Earth. Remote sensing can provide information in addition to the latitude and longitude three spatial location information, but also provide electricity