Zobrazeno 1 - 9
of 9
pro vyhledávání: '"John C. Arvesen"'
Publikováno v:
2020 IEEE Aerospace Conference.
Autonomous vehicle landing and proximity operations rely on accurate range and velocity measurements for guidance, navigation, and landing. As preeminent examples, Mars Science Laboratory and Mars 2020 both deploy a “Terminal Descent Sensor” (TDS
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e2985431f191dda945ff072c69b05eb
https://doi.org/10.1109/aero47225.2020.9172547
https://doi.org/10.1109/aero47225.2020.9172547
Autor:
Robert G. Higgins, Joseph G. Leung, John C. Arvesen, Stephen E. Dunagan, Lee F. Johnson, Stanley R. Herwitz
Publikováno v:
1st UAV Conference.
The economic potential of UAVs serving as long-duration platforms equipped with high resolution real-time imaging systems is being demonstrated. In September 2002, the UAV Pathfinder-Plus will be used to collect high-spatial resolution, multispectral
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb2bd1674aace2acf629f9667b8a25a9
https://doi.org/10.2514/6.2002-3404
https://doi.org/10.2514/6.2002-3404
Publikováno v:
Geophysical Research Letters. 5:535-538
Direct real-time gas-chromatographic measurements of CF2Cl2, CFCl3, CCl4, and N2O were made at latitudes from 74 deg N to 62 deg S aboard a NASA Convair 990 as part of the 1976 NASA CV-990 Latitude Survey Mission between Alaska and New Zealand. A dif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2814966126620b050b57fcfb345016e
https://doi.org/10.1029/gl005i006p00535
https://doi.org/10.1029/gl005i006p00535
Publikováno v:
Geophysical Research Letters. 5:369-372
Concentrated samples of stratospheric air were obtained at pressure altitudes of 18.3 km and 21.3 km aboard U-2 aircraft, and at 28.3 km and 35.9 km aboard a balloon platform. The mixing ratios of CF2Cl2 and N2O are reported for locations in Californ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8c0f3a5672d9c19bb9ad7f03adf2056
https://doi.org/10.1029/gl005i005p00369
https://doi.org/10.1029/gl005i005p00369
Autor:
John C. Arvesen
Publikováno v:
2nd Thermophysics Specialist Conference.
Thermal control coating spectral sensitivity to UV induced degradation, noting rapidly increasing damage as incident radiation wavelength decreases
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fa8b172cd7c103ea8b3148da3200373
https://doi.org/10.2514/6.1967-340
https://doi.org/10.2514/6.1967-340
Autor:
John C. Arvesen, J. P. Millard
Publikováno v:
Science. 180:1170-1171
Skylight polarization, which varies with the position of the sun in the sky, influences the contrast of oil on water. Good contrast is most consistently obtained by viewing in azimuth directions toward or away from the sun. Contrast is enhanced by im
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24f4ab1031bd0c532ed8fa2ba44fc5c9
https://doi.org/10.1126/science.180.4091.1170
https://doi.org/10.1126/science.180.4091.1170
Autor:
John C. Arvesen, J. P. Millard
Publikováno v:
Applied Optics. 11:102
Airborne measurements were made over controlled oil-spill test sites to evaluate various techniques, utilizing reflected sunlight, for detecting oil on water. The results of these measurements show that (1) maximum contrast between oil and water is i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50d4fe9e0cc83a61aca1dad5d366f023
https://doi.org/10.1364/ao.11.000102
https://doi.org/10.1364/ao.11.000102
Publikováno v:
Applied Optics. 8:2215
Results are presented of an experiment to determine extraterrestrial solar spectral irradiance at the earth's mean solar distance within the 300-2500 nm wavelength region. Spectroradiometric measurements were performed during eleven research flights
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3be4bbe47813a82d03c9e84d3ddc8b94
https://doi.org/10.1364/ao.8.002215
https://doi.org/10.1364/ao.8.002215
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