Landsat 7卫星快速格式数据产品

介绍了中国科学院遥感卫星地面站提供的Landsat 7卫星的主要数据产品,并介绍了快速格式的发展过程以及Landsat 7卫星数据所采用的快速格式FAST-L7A的数据组成、读取及其数据文件的命名规则,着重介绍了最新的快速格式FAST-L7A头文件的组成及其重要作用。

Introduction of Landsat 7 Fast Format Data Products

This paper introduces Landsat 7 data products provided by China Remote Sensing Satellite Ground Station, describes the composition of Landsat 7 data products recorded in Fast Format(FAST- L7A), and also presents the methods of reading the Fast Format data products. The Fast Format(FAST- L7A) volume set contains Header Files and Image Files. The contents and format of the Header File in this version have been expanded to accommodate additional information pertinent to the data sets provided by EOSAT. The contents and format of the Image Files have not changed. The Header File contains three 1536-byte ASCII records:Administrative Record, Radiometric Record and Geometric Record. All image files contain only one band of image data. There are no header records within the image file,nor are there prefix and/or suffix data in the individual image records. Image data may be blocked or unblocked.