论文部分内容阅读
2013年2月11日,美国国家航空航天局(NASA)的“陆地卫星数据连续性任务”(LDCM)卫星由宇宙神-5火箭在加利福尼亚州的范登堡空军基地发射。LDCM卫星由NASA和美国地质调查局(USGS)联合研制。其中,NASA负责卫星的研制、发射和早期在轨检测;USGS负责地面段系统的研制和运行,包括卫星数据的采集、接收、存档与分发等。LDCM卫星运行在高度为705km的太阳同步极地近圆轨道,降交点地方时为10:00～10:15,每天环绕地球约14圈,每隔16天完整观测地球表面一次。在经过3个月的在轨初始检验阶段后,卫星将移交给
On February 11, 2013, NASA’s Landsat Data Continuum Mission (LDCM) was launched by the Cosmic Shinto-5 rocket at Vandenberg Air Force Base in California. The LDCM satellite was jointly developed by NASA and the United States Geological Survey (USGS). Among them, NASA is responsible for satellite development, launch and early on-orbit detection; USGS is responsible for the development and operation of the ground segment system, including satellite data collection, receiving, archiving and distribution. The LDCM satellite operates at a solar orbiting polar orbital orbit at a height of 705 km with a 10: 00-10: 15 drop point and a 14-day loop around the Earth. The Earth’s surface is observed once every 16 days. After three months of in-orbit initial inspection phase, the satellite will be handed over to