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首页> 外文会议>Conference on Sensors, Systems, and Next-Generation Satellites VI Sep 23-26, 2002 Agia Pelagia, Crete, Greece >NPP: NASA's Continuity Mission for Earth Observation
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NPP: NASA's Continuity Mission for Earth Observation

机译：NPP：NASA的地球观测连续性任务

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摘要

The NASA NPOESS Preparatory Project (NPP) is designed to collect radiometric data to make comprehensive measurements of atmospheric temperature and humidity, and cloud and aerosol properties. NPP will provide NASA with continuation of global change parameters after the Earth Observing System Terra and Aqua missions. In addition, NPP will provide a pre-operational risk reduction demonstration and validation of three critical instruments for the National Polar-Orbiting Operational Environmental Satellite System (NPOESS). NPP is a joint mission with NASA, NOAA, and the Department of Defense. NPP will launch in 2006 and operate in a sun synchronous descending node orbit, with a 10:30 AM equator crossing tune. This paper discusses the NPP mission and the design of the satellite. The key Earth System Science observations that are to be taken are highlighted, along with the key Environmental Data Records (EDRs) that NPP will provide. The Key EDRs for which NPP will provide data are vertical moisture profile, vertical temperature profile, imagery, sea surface temperature, and soil moisture. The mission concept, including the satellite and ground system architecture, combines elements provided by NASA, the DoD, and NOAA. One of the driving requirements is providing complete EDRs within 180 minutes of observation, with a goal of within 90 minutes or less. For the NPOESS spacecraft the goal is 15 minutes from tune of observation.
机译：NASA NPOESS筹备项目（NPP）旨在收集辐射数据，以全面测量大气温度和湿度以及云和气溶胶特性。 NPP将在地球观测系统Terra和Aqua任务完成后为NASA提供全球变化参数的延续。此外，国家淘汰计划还将为国家极轨运行环境卫星系统（NPOESS）提供三项关键仪器的运行前降低风险示范和验证。 NPP是与NASA，NOAA和国防部的联合任务。 NPP将于2006年发射，并在太阳同步下降节点轨道上运行，赤道穿越调为10:30。本文讨论了NPP的任务和卫星的设计。重点介绍了将要采取的关键地球系统科学观察以及NPP将提供的关键环境数据记录（EDR）。 NPP将为其提供数据的关键EDR是垂直湿度曲线，垂直温度曲线，图像，海面温度和土壤湿度。任务概念（包括卫星和地面系统架构）结合了NASA，DoD和NOAA提供的要素。驾驶要求之一是在观察的180分钟内提供完整的EDR，目标是在90分钟或更短的时间内。对于NPOESS航天器，目标是距观测时间15分钟。

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