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首页> 外文期刊>International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences >SUMMARY OF NATURAL DISASTER RESPONSES BY THE ADVANCED LAND OBSERVING SATELLITE-2 (ALOS-2)
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SUMMARY OF NATURAL DISASTER RESPONSES BY THE ADVANCED LAND OBSERVING SATELLITE-2 (ALOS-2)

机译：高级陆地观测卫星2（ALOS-2）的自然灾害响应摘要

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摘要

The Advanced Land Observing Satellite-2 (ALOS-2) was launched on May 24, 2014, and it is operating very well in space more than 4.5 years. The designed mission life is five years as nominal operational phase and the target is over seven years since launch the satellite. The mission objectives of ALOS-2 are 1) disaster monitoring, 2) national land and infrastructure information, 3) cultivated area monitoring, and 4) global forest monitoring. To achieve the objectives, ALOS-2 carries on the Phased Array type L-band Synthetic Aperture Radar-2 (PALSAR-2), which is an active microwave radar using the 1.2 GHz frequency band and observes in day and night times even in bad weather conditions as successor PALSAR instrument onboard ALOS satellite operated from 2006 to 2011. PALSAR-2 instrument has several enhanced features from PALSAR e.g. finer spatial resolution, spotlight observing mode, dual-polarisation ScanSAR. This paper summarises an introduction of typical data analysis results for monitoring natural disasters by ALOS-2 during the operational phase. As the response natural disasters, more than 400 times of the emergency observations have been conducted to identify damages caused by volcanic activities, earthquakes, flooding etc. happened in Japan and the World.
机译：高级陆地观测卫星2号（ALOS-2）于2014年5月24日发射升空，在太空中运行了4.5年以上。设计任务寿命是标称运行阶段的五年，目标是自发射卫星以来的七年以上。 ALOS-2的任务目标是1）灾害监测，2）国家土地和基础设施信息，3）耕地监测和4）全球森林监测。为了实现这一目标，ALOS-2进行了相控阵型L波段合成孔径雷达2（PALSAR-2），这是一种使用1.2 GHz频段的有源微波雷达，即使在恶劣的天气下也可以在白天和黑夜进行观测天气状况，是自2006年至2011年运行的ALOS卫星的后续PALSAR仪器。PALSAR-2仪器具有PALSAR的多项增强功能，例如更高的空间分辨率，聚光观察模式，双极化ScanSAR。本文概述了在运行阶段通过ALOS-2监视自然灾害的典型数据分析结果。作为应对自然灾害的方法，已经进行了400多次紧急观察，以查明在日本和世界范围内发生的火山活动，地震，洪水等造成的破坏。

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