Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Thomas E. Thorpe"'
Publikováno v:
Applied optics. 16(12)
Photography from the Viking Orbiter Visual Imaging Subsystem, taken while enroute to and in orbit about Mars, has been analyzed to determine the performance of the cameras. The cameras have remained in good focus. Random and coherent noise levels in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0e31dc1df06f201e7ada5246711897f
https://pubmed.ncbi.nlm.nih.gov/20174321
https://pubmed.ncbi.nlm.nih.gov/20174321
Autor:
Thomas E. Thorpe
Publikováno v:
Applied optics. 12(8)
The large volume of picture data produced by the Mariner 9 Television Experiment, in addition to providing a description of the planet Mars, emphasizes the need for in situ verification of camera performance. Such data provide the basis for initial q
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e988c6ff0b4c2efc117a25c1f09b755b
https://pubmed.ncbi.nlm.nih.gov/20125607
https://pubmed.ncbi.nlm.nih.gov/20125607
Publikováno v:
Acta Astronautica. 28:259-275
The Mars Observer Mission, to be launched by the United States in September 1992, is designed to perform an extended orbital study of the Martian surface, atmosphere, climate, and gravitational and magnetic fields using a spacecraft in Mars orbit for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54eec9b546e3807445a91bdc6afdd3a6
https://doi.org/10.1016/0094-5765(92)90029-i
https://doi.org/10.1016/0094-5765(92)90029-i
The Mars Global Surveyor spacecraft was placed into Mars orbit on September 11, 1997, and by March 9, 1999, had slowly circularized through aerobraking to a Sun-synchronous, near-polar orbit with an average altitude of 378 km. The science payload inc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc897d7221c47f7306c172ce7932f2fc
https://resolver.caltech.edu/CaltechAUTHORS:20140522-104604508
https://resolver.caltech.edu/CaltechAUTHORS:20140522-104604508
Autor:
James A. Cutts, John B. Wellman, Bradford A. Smith, Newell J. Trask, Thomas E. Thorpe, David D. Norris, Harold Masursky, Terrence J. Reilly, Stewart A. Collins, G. Edward Danielson
Publikováno v:
IEEE Transactions on Geoscience Electronics. 14:122-134
Recent exploration of the planets has been highlighted by the development of visual imaging systems carried on board the spacecraft. This paper describes the evolution of planetary camera systems from the earliest reconnaissance flight to Mars in 196
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa1d34b91c56a698a61f6205f7ffee93
https://doi.org/10.1109/tge.1976.294444
https://doi.org/10.1109/tge.1976.294444
Publikováno v:
Journal of Geophysical Research. 82:4121-4149
A summary is presented of the orbital imaging observations of dynamical phenomena on Mars during the Viking primary mission. Clouds in the Tharsis/Amazonis regions are examined and the observation of an area of unusually high brightness to the southw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea0315a155dd8a2aed2c145d1363e72d
https://doi.org/10.1029/js082i028p04121
https://doi.org/10.1029/js082i028p04121
Autor:
Thomas E. Thorpe
Publikováno v:
Icarus. 37:389-398
Low phase angle observations in the Chryse-Acidalia region have been obtained the Viking Orbiter 1 spacecraft under clearer atmospheric conditions than reported earlier. A variety of surface features were recorded, e.g., crater streaks, dark and brig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fa93e2d6a7f8f120a4a04415bf1ba18
https://doi.org/10.1016/0019-1035(79)90003-4
https://doi.org/10.1016/0019-1035(79)90003-4
Autor:
Thomas E. Thorpe
Publikováno v:
Journal of Geophysical Research. 82:4161-4165
Over 7200 Viking Orbiter pictures have provided phase function information over a large range in viewing geometry. Comparison with the earlier Mariner 9 data reveals possibly significant changes. A two-component limb darkening characterization is sho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e6c09ccf1284d7addb98190aa5cefc1
https://doi.org/10.1029/js082i028p04161
https://doi.org/10.1029/js082i028p04161
Autor:
Thomas E. Thorpe
Publikováno v:
Icarus. 49:398-415
Radiative transfer expressions are used to derive average surface particle single-scattering albedos, phase functions and porosities from a photometric comparison of Viking Orbiter opposition measurements of the Martian Arabia, Syrtis Major and Elysi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5d7ff48e698cd9921705387f6538aca
https://doi.org/10.1016/0019-1035(82)90045-8
https://doi.org/10.1016/0019-1035(82)90045-8
Autor:
Thomas E. Thorpe
Publikováno v:
Icarus. 27:229-239
Although photometry of Mars is not listed as a major mission objective, the Viking Project has provided the Orbiter Imaging Team with cameras exhibiting significant improvement in photometric measurement as compared with past Mariners. Sample calibra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34d515c2541d8db38824c10cd00caea3
https://doi.org/10.1016/0019-1035(76)90006-3
https://doi.org/10.1016/0019-1035(76)90006-3