ON-ORBIT MEASUREMENT OF THE FOCAL LENGTH OF THE SNPP VIIRS INSTRUMENT

被引：0
|
作者：
Tilton, James C. [1 ]
Wolfe, Robert E. [1 ]
Lin, Guoqing [2 ]
Yin, Zhangshi [2 ]
机构：
[1] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[2] Sci Syst & Applicat Inc, Lanham, MD USA
来源：
2017 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2017年
关键词：
Satellite navigation systems; image registration; image analysis; PERFORMANCE;
D O I：
暂无
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
The Visible Infrared Imaging Radiometer Suite (VIIRS) instrument is a whiskbroom system with 22 spectral bands split between 16 moderate resolution bands (M-bands), five imagery resolution bands (I-bands) and a panchromatic day night band. Latitude and Longitude geolocation data are generated for each pixel at the M-band, I-band and day-night band spatial resolutions based upon various instrument parameters including focal length. In this study we measure the focal length of the VIIRS instrument from on-orbit data. This is achieved by simulating VIIRS band 12 using Landsat 8 TM band 5 utilizing the VIIRS instrument system point spread function (PSF) and geolocation data generated with varying values of focal length. The focal length value that produces the highest spatial correlation between the original and simulated VIIRS data is taken to be the measured instrument focal length.
引用
收藏
页码：4056 / 4059
页数：4
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