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Overview of Japanese Earth observation programs

机译:日本地球观测计划概述

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Five programs, i.e. TRMM, AMSR-E, ASTER, ALOS and GOSAT are going on in Japanese Earth Observation programs. ASTER has lost its short wave infrared channels, but other satellites/sensors are operating well, and TRMM operation will be continued at least up to 2012. ADEOS2 was failed, but AMSR-E on Aqua is operating. ALOS (Advanced Land Observing Satellite) was successfully launched on 24th Jan. 2006. ALOS carries three instruments, i.e., PRISM (Panchromatic Remote Sensing Instrument for Stereo Mapping), AVNIR-2 (Advanced Visible and Near Infrared Radiometer), and PALSAR (Phased Array L band Synthetic Aperture Radar). PRISM is a 3 line panchromatic push broom scanner with 2.5m IFOV. AVNIR-2 is a 4 channel multi spectral scanner with 10m IFOV. PALSAR is a full polarimetric active phased array L-band SAR. PALSAR has many observation modes including full polarimetric mode and scan SAR mode. GOSAT (Greenhouse Gas Observation Satellite) was successfully launched on 29, January, 2009. GOSAT carries 2 instruments, i.e. a green house gas sensor (TANSO-FTS) and a cloud/aerosol imager (TANSO-CAI). The main sensor is a Fourier transform spectrometer (FTS) and covers 0.76 to 15 μm region with 0.2 to 0.5 cm~(-1) resolution. SMILES (Super-conducting Millimeter wave Emission Spectrometer) was launched on September 2009 to ISS and started the observation, but stopped its operation on April 2010. After the unfortunate accident of ADEOS2, JAXA still have plans of Earth observation programs. Next generation satellites will be launched in 2011-2014 timeframe. They are, GCOM-W and GCOM-C (ADEOS-2 follow on), and GPM (Global Precipitation Mission) core satellite. GPM is a joint project with NASA and will carry two instruments. JAXA will develop DPR (Dual frequency Precipitation Radar) which is a follow on of PR on TRMM. Another project is EarthCare. It is a joint project with ESA and JAXA is going to provide CPR (Cloud Profiling Radar). ALOS F/O satellites are divided into two satellites, i.e. SAR and optical satellites. The first one of ALOS F/O is called ALOS 2 and will carry L-band SAR, while second one is called ALOS3 and will carry optical sensors.
机译:日本地球观测计划正在执行TRMM,AMSR-E,ASTER,ALOS和GOSAT这五个程序。 ASTER失去了短波红外信道,但是其他卫星/传感器运行良好,TRMM的运行至少将持续到2012年。ADEOS2失败了,但Aqua上的AMSR-E正在运行。 ALOS(高级陆地观测卫星)于2006年1月24日成功发射。ALOS携带三种仪器,即PRISM(用于立体测绘的全色遥感仪器),AVNIR-2(高级可见和近红外辐射计)和PALSAR(已分相)阵列L波段合成孔径雷达)。 PRISM是3线全色推扫扫帚扫描仪,具有2.5m IFOV。 AVNIR-2是具有10m IFOV的4通道多光谱扫描仪。 PALSAR是全极化有源相控阵L波段SAR。 PALSAR具有许多观察模式,包括全极化模式和扫描SAR模式。 GOSAT(温室气体观测卫星)于2009年1月29日成功发射。GOSAT携带2台仪器,即温室气体传感器(TANSO-FTS)和云/气溶胶成像仪(TANSO-CAI)。主传感器是傅立叶变换光谱仪(FTS),覆盖0.76至15μm区域,分辨率为0.2至0.5 cm〜(-1)。 SMILES(超导毫米波发射光谱仪)于2009年9月向国际空间站发射并开始观测,但于2010年4月停止了运行。在ADEOS2不幸发生事故后,JAXA仍然有地球观测计划的计划。下一代卫星将在2011-2014年的时间范围内发射。它们是GCOM-W和GCOM-C(随后是ADEOS-2)和GPM(全球降水任务)核心卫星。 GPM是与NASA的一个联合项目,将携带两种仪器。 JAXA将开发DPR(双频降水雷达),这是TRMM上PR的后续产品。另一个项目是EarthCare。这是与ESA的一个联合项目,JAXA将提供CPR(云分析雷达)。 ALOS F / O卫星分为两颗卫星,即SAR和光学卫星。 ALOS F / O的第一个称为ALOS 2,将携带L波段SAR,第二个称为ALOS3,并将携带光学传感器。

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