Himawari-8/9 Himawari Standard Data User's Guide-笔记

最新推荐文章于 2025-05-30 10:34:41 发布

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最新推荐文章于 2025-05-30 10:34:41 发布

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博客介绍了Himawari-8和-9携带的Advanced Himawari Imager（AHI）的五个扫描观测范围，包括全球、日本区域等。还提及葵花8观测的波段与分辨率，采用的投影方式，地理坐标系统参数基于WGS84，以及数据的命名规则。

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1、Introduction

Himawari-8 and -9 will each carry an Advanced Himawari Imager (AHI) scanning five areas: Full Disk (images of the whole Earth as seen from the satellite), the Japan Area (Regions 1 and 2), the Target Area (Region 3) and two Landmark Areas (Regions 4 and 5). 五个扫描观测范围，全球、日本区域（2个）、目前区域和两个地标

葵花8观测的波段和对应的分辨率如下：

For Himawari Standard Data, Normalized Geostationary Projection is adopted as defined in LRIT/HRIT Global Specification
2 Section 4.4. The projection describes the view from the satellite to an idealized earth. The parameters of the geographic coordinate system used for Himawari Standard Data are based on WGS84 (World Geodetic System 1984) 3 as recommended in ETSAT6/Doc. 16 (1) Implications of Using the World Geodetic System 1984 (WGS84)。

命名规则
The general file name format is:
HS_aaa_yyyymmdd_hhnn_Bbb_cccc_Rjj_Skkll.DAT