GB/T 36301-2018Pre-processing product levels for spaceborne hyperspectral imaging data (English PDF)
航天高光谱成像数据预处理产品分级
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
June 7, 2018
Implementation date
January 1, 2019
Scope
GB/T 36301-2018 is the English-translated version of 航天高光谱成像数据预处理产品分级.
GB/T 36301-2018 defines the levels of pre-processed products derived from spaceborne hyperspectral imaging data.
It gives the terms, abbreviations and classification principles, then divides the products into levels from Level 0 raw data to Level 1 (L1A, L1B), Level 2 (L2A, L2B), Level 3 (L3A, L3B, L3C) and Level 4 (L4A, L4B, L4C), according to the radiometric, geometric, spectral and terrain corrections applied.
It applies to imaging spectral data acquired by spaceborne hyperspectral imagers working between 400 nm and 2500 nm, and may also be used for airborne hyperspectral data.
Terms such as spaceborne hyperspectral imager, pre-processing product, Level 0 data and scene are defined. Satellite ground systems and data users apply it to label products consistently. It was issued on 7 June 2018 and has applied since 1 January 2019.
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Document preview — GB/T 36301-2018
National Standard of the People's Republic of China
- ICS
- 07.040
- Classification
- A 77
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions, Abbreviations
- 3.1 Terms and Definitions
- 3.2 Abbreviations
- 4 Pretreatment product classification principle
- 5 Pretreatment Product Level Division
- 5.1 Overview
- 5.2 Level 0 Product (L0)
- 5.3 Level 1 Product (L1)
- 5.3.1 Class 1A Product (L1A)
- 5.3.2 Class 1B Product (L1B)
- 5.4 Level 2 Product (L2)
- 5.4.1 2A Product (L2A)
- 5.4.2 Level 2B Product (L2B)
- 5.5 Level 3 Product (L3)
- 5.5.1 Level 3A Product (L3A)
- 5.5.2 Level 3B Product (L3B)
- 5.5.3 Level 3C Product (L3C)
- 5.6 Level 4 Product (L4)
- 5.6.1 4A Product (L4A)
- 5.6.2 Class 4B Product (L4B)
- 5.6.3 4C Product (L4C)
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This standard specifies the terminology and definition of aerospace hyperspectral imaging data preprocessing products, abbreviations, classification principles, and levels.
This standard is applicable to imaging spectral data acquired by a spaceborne hyperspectral imager with a working wavelength range of 400nm to 2500nm.
Pre-processing product classification, airborne hyperspectral imaging data preprocessing product classification can also refer to use.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest version (including all amendments) applies to this document.
GB/T 14950-2009 Photogrammetry and Remote Sensing Terminology
GB/T 30115-2013 Satellite Remote Sensing Image Vegetation Index Product Specification
GB/T 32453-2015 Satellite Earth Observation Data Product Classification and Classification Rules
3 Terms and Definitions, Abbreviations
3.1 Terms and Definitions
The terms defined in GB/T 14950-2009, GB/T 30115-2013, GB/T 32453-2015, and the following apply to this document.
3.1.1 Aerospace hyperspectral imager
The target 2D image and spectral information can be acquired at the same time, and the spectral resolution reaches the order of 10^-2 lambda (lambda represents the working wavelength).
The on-board optical imaging remote sensor with a spectral resolution of generally less than 10 nm in the wavelength range of 400 nm to 2500 nm.
Note: According to different imaging methods, the aerospace hyperspectral imager is mainly divided into a dispersive hyperspectral imager and an interferometric hyperspectral imager.
3.1.2 Pre-processing product
Remote sensing data is subjected to necessary radiation corrections, geometric corrections, spectral corrections, terrain corrections, etc., before being provided for user application and analysis. The generated remote sensing data products.
3.1.3 Level 0 data
The terrestrial system performs frame synchronization, descrambling, error correction, and other processing on the downlink data bit stream of the satellite to extract the science acquired by the remote sensor.
Data and auxiliary data, and further organize and format the output for saving and subsequent processing of data.
Note: The data processing system for production pre-processing products is usually based on level 0 data processing to generate different levels of pre-processed products.
3.1.4 Scene
According to the characteristics of satellite remote sensors, remote sensing image data is cropped by the specified number of rows and columns.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.
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Related Standards
GB/T 14950-2009 — Terms of photogrammetry and remote sensing
GB/T 30115-2013 — Specifications for vegetation index production from satellite remote sensing imagery
GB/T 32453-2015 — Rule for classification and gradation of earth observation satellite data product
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