Item talk:Q269332

{

 "USGS Publications Warehouse": {
   "@context": "https://schema.org",
   "@type": "CreativeWork",
   "additionalType": "USGS Numbered Series",
   "name": "System characterization report on the Gaofen-6",
   "identifier": [
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       "propertyID": "USGS Publications Warehouse IndexID",
       "value": "ofr20211030M",
       "url": "https://pubs.usgs.gov/publication/ofr20211030M"
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       "propertyID": "USGS Publications Warehouse Internal ID",
       "value": 70255524
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       "propertyID": "DOI",
       "value": "10.3133/ofr20211030M",
       "url": "https://doi.org/10.3133/ofr20211030M"
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   ],
   "inLanguage": "en",
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   "datePublished": "2024",
   "dateModified": "2024-06-21",
   "abstract": "Executive SummaryGaofen-6 represents a series of Chinese high-resolution Earth observation satellites. More than 12 satellites have been launched in the Gaofen series, beginning with Gaofen-1 in 2013. Satellites within the series have varying infrared, radar, and optical imaging capabilities. The primary goal for the satellites in this series is to provide near real-time observations for climate change monitoring, geographical mapping, precision agriculture support, environmental and resource surveying, and disaster prevention. More information on Chinese satellites and sensors is available in the \u201c2022 Joint Agency Commercial Imagery Evaluation\u2014Remote Sensing Satellite Compendium.\u201dThe Earth Resources Observation and Science Cal/Val Center of Excellence system characterization team completed data analyses to characterize the geometric (interior and exterior), radiometric, and spatial performances of Gaofen-6. Results of these analyses indicate that Gaofen-6 has an interior geometric performance root mean square error ranging from 2.84 meters (m; 0.18 pixel) to 7.42 m (0.46 pixel) in easting and from 2.84 m (0.18 pixel) to 11.57 m (0.72 pixel) in northing in band-to-band registration, an exterior geometric performance root mean square error ranging from 154.50 m (8.80 pixels) in easting to 14.65 m (0.80 pixel) in northing in comparison to a corresponding Sentinel-2 scene, a radiometric performance ranging from 0.018 to 0.055 (in offset) and from 0.620 to 0.858 (in slope), and a spatial performance ranging from 2.10 to 2.30 pixels at full width at half maximum, with a modulation transfer function at a Nyquist frequency ranging from 0.040 to 0.055.",
   "description": "iv, 9 p.",
   "publisher": {
     "@type": "Organization",
     "name": "U.S. Geological Survey"
   },
   "author": [
     {
       "@type": "Person",
       "name": "Sampath, Aparajithan",
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           "@type": "Organization",
           "name": "KBR, Inc., under contract to USGS"
         }
       ]
     },
     {
       "@type": "Person",
       "name": "Park, Seonkyung",
       "givenName": "Seonkyung",
       "familyName": "Park",
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       "affiliation": [
         {
           "@type": "Organization",
           "name": "United Support Services, Contractor to the USGS Earth Resources Observation and Science (EROS) Center"
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       ]
     },
     {
       "@type": "Person",
       "name": "Kim, Minsu",
       "givenName": "Minsu",
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       "name": "Christopherson, Jon",
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     },
     {
       "@type": "Person",
       "name": "Stensaas, Gregory L. stensaas@usgs.gov",
       "givenName": "Gregory L.",
       "familyName": "Stensaas",
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       "@type": "Person",
       "name": "Anderson, Cody cody.anderson.ctr@usgs.gov",
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