Greenhouse Gases Monitoring Instrument on GaoFen-5 Satellite-II: Optical Design and Evaluation
نویسندگان
چکیده
The Greenhouse gases Monitoring Instrument on GaoFen-5 satellite-II (GMI-II) uses spatial heterodyne spectroscopy (SHS) for quantitative monitoring of atmospheric greenhouse (GHG). Unlike the traditional SHS, interferometer component GMI-II was designed with zero optical path difference offset, effectively improving spectral resolution while maintaining same detector specifications. secondary imaging system non-isometric scaling and dimensions to decrease integration time a frame image or improve signal-to-noise ratio (SNR) under time. This paper introduces design, manufacture, adjustment methods, test results main performance indexes that indicate O2 A-band detection channel is better than 0.6 cm−1 other channels are 0.27 cm−1. Under typical radiance carbon monitors’ on-orbit statistics, SNR more 300. These demonstrate can be well adapted remote sensing GHG.
منابع مشابه
Greenhouse gases from satellite -- Part 1: CO2
O. Schneising, M. Buchwitz, J. P. Burrows, H. Bovensmann, M. Reuter, J. Notholt, R. Macatangay, and T. Warneke Institute of Environmental Physics (IUP), University of Bremen FB1, Bremen, Germany Received: 25 January 2008 – Accepted: 7 February 2008 – Published: 18 March 2008 Correspondence to: M. Buchwitz ([email protected]) Published by Copernicus Publications on behalf...
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ژورنال
عنوان ژورنال: Remote Sensing
سال: 2023
ISSN: ['2315-4632', '2315-4675']
DOI: https://doi.org/10.3390/rs15041105