Performance of ICESat‐2 Precision Pointing Determination

Abstract Global elevations are critical to understanding the Earth's dynamic processes and changing climate. These measurements are best acquired from a space‐based vantage point and are most accurate using laser altimetry technology. However, the accuracy associated with the elevation retrieva...
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Autor*in:	Sungkoo Bae [verfasserIn] Benjamin Helgeson [verfasserIn] Michael James [verfasserIn] Lori Magruder [verfasserIn] Jonathan Sipps [verfasserIn] Scott Luthcke [verfasserIn] Taylor Thomas [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	ATLAS calibration/validation geolocation ICESat‐2 laser pointing spacecraft attitude

Übergeordnetes Werk:	In: Earth and Space Science - American Geophysical Union (AGU), 2015, 8(2021), 4, Seite n/a-n/a
Übergeordnetes Werk:	volume:8 ; year:2021 ; number:4 ; pages:n/a-n/a

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1029/2020EA001478

Katalog-ID:	DOAJ053837746

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520			\|a Abstract Global elevations are critical to understanding the Earth's dynamic processes and changing climate. These measurements are best acquired from a space‐based vantage point and are most accurate using laser altimetry technology. However, the accuracy associated with the elevation retrievals from laser altimetry relies heavily on the ability to precisely determine the pointing angle of the laser beams from the satellite to the illuminated spot on the surface. The Ice, Cloud, and land Elevation Satellite 2 (ICESat‐2) has a system consisting of instruments that support the determination of the laser pointing direction through a process called Precision Pointing Determination (PPD). In this paper, we describe the PPD conceptual implementation, instrument details, data processing approach, calibration/validation techniques, and performance assessment. We show that the PPD has successfully achieved the allocated accuracy goal essential to meeting the ICESat‐2 geolocation mission requirement.
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650		4	\|a calibration/validation
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allfields	10.1029/2020EA001478 doi (DE-627)DOAJ053837746 (DE-599)DOAJ69c76ef036f345d09c7c95f54fc4eab0 DE-627 ger DE-627 rakwb eng QB1-991 QE1-996.5 Sungkoo Bae verfasserin aut Performance of ICESat‐2 Precision Pointing Determination 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Global elevations are critical to understanding the Earth's dynamic processes and changing climate. These measurements are best acquired from a space‐based vantage point and are most accurate using laser altimetry technology. However, the accuracy associated with the elevation retrievals from laser altimetry relies heavily on the ability to precisely determine the pointing angle of the laser beams from the satellite to the illuminated spot on the surface. The Ice, Cloud, and land Elevation Satellite 2 (ICESat‐2) has a system consisting of instruments that support the determination of the laser pointing direction through a process called Precision Pointing Determination (PPD). In this paper, we describe the PPD conceptual implementation, instrument details, data processing approach, calibration/validation techniques, and performance assessment. We show that the PPD has successfully achieved the allocated accuracy goal essential to meeting the ICESat‐2 geolocation mission requirement. ATLAS calibration/validation geolocation ICESat‐2 laser pointing spacecraft attitude Astronomy Geology Benjamin Helgeson verfasserin aut Michael James verfasserin aut Lori Magruder verfasserin aut Jonathan Sipps verfasserin aut Scott Luthcke verfasserin aut Taylor Thomas verfasserin aut In Earth and Space Science American Geophysical Union (AGU), 2015 8(2021), 4, Seite n/a-n/a (DE-627)816694206 (DE-600)2807271-6 23335084 nnns volume:8 year:2021 number:4 pages:n/a-n/a https://doi.org/10.1029/2020EA001478 kostenfrei https://doaj.org/article/69c76ef036f345d09c7c95f54fc4eab0 kostenfrei https://doi.org/10.1029/2020EA001478 kostenfrei https://doaj.org/toc/2333-5084 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2021 4 n/a-n/a
spelling	10.1029/2020EA001478 doi (DE-627)DOAJ053837746 (DE-599)DOAJ69c76ef036f345d09c7c95f54fc4eab0 DE-627 ger DE-627 rakwb eng QB1-991 QE1-996.5 Sungkoo Bae verfasserin aut Performance of ICESat‐2 Precision Pointing Determination 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Global elevations are critical to understanding the Earth's dynamic processes and changing climate. These measurements are best acquired from a space‐based vantage point and are most accurate using laser altimetry technology. However, the accuracy associated with the elevation retrievals from laser altimetry relies heavily on the ability to precisely determine the pointing angle of the laser beams from the satellite to the illuminated spot on the surface. The Ice, Cloud, and land Elevation Satellite 2 (ICESat‐2) has a system consisting of instruments that support the determination of the laser pointing direction through a process called Precision Pointing Determination (PPD). In this paper, we describe the PPD conceptual implementation, instrument details, data processing approach, calibration/validation techniques, and performance assessment. We show that the PPD has successfully achieved the allocated accuracy goal essential to meeting the ICESat‐2 geolocation mission requirement. ATLAS calibration/validation geolocation ICESat‐2 laser pointing spacecraft attitude Astronomy Geology Benjamin Helgeson verfasserin aut Michael James verfasserin aut Lori Magruder verfasserin aut Jonathan Sipps verfasserin aut Scott Luthcke verfasserin aut Taylor Thomas verfasserin aut In Earth and Space Science American Geophysical Union (AGU), 2015 8(2021), 4, Seite n/a-n/a (DE-627)816694206 (DE-600)2807271-6 23335084 nnns volume:8 year:2021 number:4 pages:n/a-n/a https://doi.org/10.1029/2020EA001478 kostenfrei https://doaj.org/article/69c76ef036f345d09c7c95f54fc4eab0 kostenfrei https://doi.org/10.1029/2020EA001478 kostenfrei https://doaj.org/toc/2333-5084 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2021 4 n/a-n/a
allfields_unstemmed	10.1029/2020EA001478 doi (DE-627)DOAJ053837746 (DE-599)DOAJ69c76ef036f345d09c7c95f54fc4eab0 DE-627 ger DE-627 rakwb eng QB1-991 QE1-996.5 Sungkoo Bae verfasserin aut Performance of ICESat‐2 Precision Pointing Determination 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Global elevations are critical to understanding the Earth's dynamic processes and changing climate. These measurements are best acquired from a space‐based vantage point and are most accurate using laser altimetry technology. However, the accuracy associated with the elevation retrievals from laser altimetry relies heavily on the ability to precisely determine the pointing angle of the laser beams from the satellite to the illuminated spot on the surface. The Ice, Cloud, and land Elevation Satellite 2 (ICESat‐2) has a system consisting of instruments that support the determination of the laser pointing direction through a process called Precision Pointing Determination (PPD). In this paper, we describe the PPD conceptual implementation, instrument details, data processing approach, calibration/validation techniques, and performance assessment. We show that the PPD has successfully achieved the allocated accuracy goal essential to meeting the ICESat‐2 geolocation mission requirement. ATLAS calibration/validation geolocation ICESat‐2 laser pointing spacecraft attitude Astronomy Geology Benjamin Helgeson verfasserin aut Michael James verfasserin aut Lori Magruder verfasserin aut Jonathan Sipps verfasserin aut Scott Luthcke verfasserin aut Taylor Thomas verfasserin aut In Earth and Space Science American Geophysical Union (AGU), 2015 8(2021), 4, Seite n/a-n/a (DE-627)816694206 (DE-600)2807271-6 23335084 nnns volume:8 year:2021 number:4 pages:n/a-n/a https://doi.org/10.1029/2020EA001478 kostenfrei https://doaj.org/article/69c76ef036f345d09c7c95f54fc4eab0 kostenfrei https://doi.org/10.1029/2020EA001478 kostenfrei https://doaj.org/toc/2333-5084 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2021 4 n/a-n/a
allfieldsGer	10.1029/2020EA001478 doi (DE-627)DOAJ053837746 (DE-599)DOAJ69c76ef036f345d09c7c95f54fc4eab0 DE-627 ger DE-627 rakwb eng QB1-991 QE1-996.5 Sungkoo Bae verfasserin aut Performance of ICESat‐2 Precision Pointing Determination 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Global elevations are critical to understanding the Earth's dynamic processes and changing climate. These measurements are best acquired from a space‐based vantage point and are most accurate using laser altimetry technology. However, the accuracy associated with the elevation retrievals from laser altimetry relies heavily on the ability to precisely determine the pointing angle of the laser beams from the satellite to the illuminated spot on the surface. The Ice, Cloud, and land Elevation Satellite 2 (ICESat‐2) has a system consisting of instruments that support the determination of the laser pointing direction through a process called Precision Pointing Determination (PPD). In this paper, we describe the PPD conceptual implementation, instrument details, data processing approach, calibration/validation techniques, and performance assessment. We show that the PPD has successfully achieved the allocated accuracy goal essential to meeting the ICESat‐2 geolocation mission requirement. ATLAS calibration/validation geolocation ICESat‐2 laser pointing spacecraft attitude Astronomy Geology Benjamin Helgeson verfasserin aut Michael James verfasserin aut Lori Magruder verfasserin aut Jonathan Sipps verfasserin aut Scott Luthcke verfasserin aut Taylor Thomas verfasserin aut In Earth and Space Science American Geophysical Union (AGU), 2015 8(2021), 4, Seite n/a-n/a (DE-627)816694206 (DE-600)2807271-6 23335084 nnns volume:8 year:2021 number:4 pages:n/a-n/a https://doi.org/10.1029/2020EA001478 kostenfrei https://doaj.org/article/69c76ef036f345d09c7c95f54fc4eab0 kostenfrei https://doi.org/10.1029/2020EA001478 kostenfrei https://doaj.org/toc/2333-5084 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2021 4 n/a-n/a
allfieldsSound	10.1029/2020EA001478 doi (DE-627)DOAJ053837746 (DE-599)DOAJ69c76ef036f345d09c7c95f54fc4eab0 DE-627 ger DE-627 rakwb eng QB1-991 QE1-996.5 Sungkoo Bae verfasserin aut Performance of ICESat‐2 Precision Pointing Determination 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Global elevations are critical to understanding the Earth's dynamic processes and changing climate. These measurements are best acquired from a space‐based vantage point and are most accurate using laser altimetry technology. However, the accuracy associated with the elevation retrievals from laser altimetry relies heavily on the ability to precisely determine the pointing angle of the laser beams from the satellite to the illuminated spot on the surface. The Ice, Cloud, and land Elevation Satellite 2 (ICESat‐2) has a system consisting of instruments that support the determination of the laser pointing direction through a process called Precision Pointing Determination (PPD). In this paper, we describe the PPD conceptual implementation, instrument details, data processing approach, calibration/validation techniques, and performance assessment. We show that the PPD has successfully achieved the allocated accuracy goal essential to meeting the ICESat‐2 geolocation mission requirement. ATLAS calibration/validation geolocation ICESat‐2 laser pointing spacecraft attitude Astronomy Geology Benjamin Helgeson verfasserin aut Michael James verfasserin aut Lori Magruder verfasserin aut Jonathan Sipps verfasserin aut Scott Luthcke verfasserin aut Taylor Thomas verfasserin aut In Earth and Space Science American Geophysical Union (AGU), 2015 8(2021), 4, Seite n/a-n/a (DE-627)816694206 (DE-600)2807271-6 23335084 nnns volume:8 year:2021 number:4 pages:n/a-n/a https://doi.org/10.1029/2020EA001478 kostenfrei https://doaj.org/article/69c76ef036f345d09c7c95f54fc4eab0 kostenfrei https://doi.org/10.1029/2020EA001478 kostenfrei https://doaj.org/toc/2333-5084 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2021 4 n/a-n/a
language	English
source	In Earth and Space Science 8(2021), 4, Seite n/a-n/a volume:8 year:2021 number:4 pages:n/a-n/a
sourceStr	In Earth and Space Science 8(2021), 4, Seite n/a-n/a volume:8 year:2021 number:4 pages:n/a-n/a
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	ATLAS calibration/validation geolocation ICESat‐2 laser pointing spacecraft attitude Astronomy Geology
isfreeaccess_bool	true
container_title	Earth and Space Science
authorswithroles_txt_mv	Sungkoo Bae @@aut@@ Benjamin Helgeson @@aut@@ Michael James @@aut@@ Lori Magruder @@aut@@ Jonathan Sipps @@aut@@ Scott Luthcke @@aut@@ Taylor Thomas @@aut@@
publishDateDaySort_date	2021-01-01T00:00:00Z
hierarchy_top_id	816694206
id	DOAJ053837746
language_de	englisch
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callnumber-first	Q - Science
author	Sungkoo Bae
spellingShingle	Sungkoo Bae misc QB1-991 misc QE1-996.5 misc ATLAS misc calibration/validation misc geolocation misc ICESat‐2 misc laser pointing misc spacecraft attitude misc Astronomy misc Geology Performance of ICESat‐2 Precision Pointing Determination
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topic_title	QB1-991 QE1-996.5 Performance of ICESat‐2 Precision Pointing Determination ATLAS calibration/validation geolocation ICESat‐2 laser pointing spacecraft attitude
topic	misc QB1-991 misc QE1-996.5 misc ATLAS misc calibration/validation misc geolocation misc ICESat‐2 misc laser pointing misc spacecraft attitude misc Astronomy misc Geology
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title	Performance of ICESat‐2 Precision Pointing Determination
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title_full	Performance of ICESat‐2 Precision Pointing Determination
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author_browse	Sungkoo Bae Benjamin Helgeson Michael James Lori Magruder Jonathan Sipps Scott Luthcke Taylor Thomas
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title_sort	performance of icesat‐2 precision pointing determination
callnumber	QB1-991
title_auth	Performance of ICESat‐2 Precision Pointing Determination
abstract	Abstract Global elevations are critical to understanding the Earth's dynamic processes and changing climate. These measurements are best acquired from a space‐based vantage point and are most accurate using laser altimetry technology. However, the accuracy associated with the elevation retrievals from laser altimetry relies heavily on the ability to precisely determine the pointing angle of the laser beams from the satellite to the illuminated spot on the surface. The Ice, Cloud, and land Elevation Satellite 2 (ICESat‐2) has a system consisting of instruments that support the determination of the laser pointing direction through a process called Precision Pointing Determination (PPD). In this paper, we describe the PPD conceptual implementation, instrument details, data processing approach, calibration/validation techniques, and performance assessment. We show that the PPD has successfully achieved the allocated accuracy goal essential to meeting the ICESat‐2 geolocation mission requirement.
abstractGer	Abstract Global elevations are critical to understanding the Earth's dynamic processes and changing climate. These measurements are best acquired from a space‐based vantage point and are most accurate using laser altimetry technology. However, the accuracy associated with the elevation retrievals from laser altimetry relies heavily on the ability to precisely determine the pointing angle of the laser beams from the satellite to the illuminated spot on the surface. The Ice, Cloud, and land Elevation Satellite 2 (ICESat‐2) has a system consisting of instruments that support the determination of the laser pointing direction through a process called Precision Pointing Determination (PPD). In this paper, we describe the PPD conceptual implementation, instrument details, data processing approach, calibration/validation techniques, and performance assessment. We show that the PPD has successfully achieved the allocated accuracy goal essential to meeting the ICESat‐2 geolocation mission requirement.
abstract_unstemmed	Abstract Global elevations are critical to understanding the Earth's dynamic processes and changing climate. These measurements are best acquired from a space‐based vantage point and are most accurate using laser altimetry technology. However, the accuracy associated with the elevation retrievals from laser altimetry relies heavily on the ability to precisely determine the pointing angle of the laser beams from the satellite to the illuminated spot on the surface. The Ice, Cloud, and land Elevation Satellite 2 (ICESat‐2) has a system consisting of instruments that support the determination of the laser pointing direction through a process called Precision Pointing Determination (PPD). In this paper, we describe the PPD conceptual implementation, instrument details, data processing approach, calibration/validation techniques, and performance assessment. We show that the PPD has successfully achieved the allocated accuracy goal essential to meeting the ICESat‐2 geolocation mission requirement.
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title_short	Performance of ICESat‐2 Precision Pointing Determination
url	https://doi.org/10.1029/2020EA001478 https://doaj.org/article/69c76ef036f345d09c7c95f54fc4eab0 https://doaj.org/toc/2333-5084
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score	7.400613

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Performance of ICESat‐2 Precision Pointing Determination

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Zugang & Verfügbarkeit

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