【摘要】 LANDSAT-7卫星的主要有效载荷——改进型主题测绘仪(Enhanced Thematic Map-per Plus)ETM+是在landsat-4和Landsat-5卫星的主要有效载荷主题测绘仪(Thematic Map-per)的基础上改进的。ETM+相对TM的主要不同之处在于它增加了1个金色谱段和2个增益区域,增加了太阳定标器,并提高了红外谱段的分辨率,文章简要介绍ETM+的性能和主要组件。更多还原

【Abstract】 The main payload of landsat - 7 satellite, enhanced thematic mapper plus (ETM + ) was improved on the basis of the thematic mapper(TM), the main payload of landsat - 4/landsat - 5. ETM + has added capabilities that include a 15 - meter resolution panchromatic band, 2 gain areas, and a solar calibrator. It has improved the resolution of the thermal infrared band from 120 m to 60 m. The paper introduces the performances and the characteristics of ETM +更多还原