Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Timothy L. Wilfong"'
Publikováno v:
Journal of Atmospheric and Oceanic Technology. 31:2088-2093
Radar wind profiler (RWP) systems observe radar returns from refractive index fluctuations due to clear-air turbulence. The Doppler spectra used to compute the moments of the returned signal always include noise from various sources and may contain m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3976fd6674c7366204a563ca48955803
https://doi.org/10.1175/jtech-d-14-00070.1
https://doi.org/10.1175/jtech-d-14-00070.1
Autor:
Timothy L. Wilfong, D. B. Wuertz, D. A. Merritt, Richard J. Lataitis, R. G. Strauch, B. L. Weber
Publikováno v:
Journal of Atmospheric and Oceanic Technology. 16:723-733
Radar wind profilers (RWPs) sense the mean and turbulent motion of the clear air through Doppler shifts induced along several (3–5) upward-looking beams. RWP signals, like all radars signals, are often contaminated. The contamination is clearly evi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ffba2d2b7b9a3285e40d9222d253601
https://doi.org/10.1175/1520-0426(1999)016<0723:ogorwp>2.0.co
https://doi.org/10.1175/1520-0426(1999)016<0723:ogorwp>2.0.co
Publikováno v:
Journal of Atmospheric and Oceanic Technology. 16:532-549
The performance of an improved signal-processing algorithm implemented on the NASA 50-MHz radar wind profiler at Kennedy Space Center is analyzed. In 1990, NASA began using a 50-MHz Doppler radar wind profiler to demonstrate the applicability of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c589fc82e7b967b6028b1f914e57673b
https://doi.org/10.1175/1520-0426(1999)016<0532:pcotks>2.0.co
https://doi.org/10.1175/1520-0426(1999)016<0532:pcotks>2.0.co
Publikováno v:
Journal of Atmospheric and Oceanic Technology. 14:318-325
Results are presented from an investigation to estimate the limiting accuracy of atmospheric wind measurements obtained from a radar-tracked jimsphere and the data reduction program. The current system used to support space launches includes the jims
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f01bdd14eb6b47eadb8ee4512915d415
https://doi.org/10.1175/1520-0426(1997)014<0318:cohrwp>2.0.co
https://doi.org/10.1175/1520-0426(1997)014<0318:cohrwp>2.0.co
Publikováno v:
Journal of Spacecraft and Rockets. 30:348-354
Existing techniques for rejecting spurious data in single-cycle wind profiles employ a consensus average method to several profiles. This technique sometimes fails and also severely limits temporal resolution. The authors find by first applying a med
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ac9af774f980271909f7da2af73dbaa
https://doi.org/10.2514/3.25522
https://doi.org/10.2514/3.25522
Publikováno v:
31st Aerospace Sciences Meeting.
Existing techniques for quantifying the effects of temporal wind variability on launch vehicles employ very limited sets of wind profile pairs derived from rising balloons. Variability due to spatial differences between the drifting balloon and a veh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67735fd94c25198f4614b9918852de23
https://doi.org/10.2514/6.1993-854
https://doi.org/10.2514/6.1993-854
Publikováno v:
30th Aerospace Sciences Meeting and Exhibit.
A three-point medium filter for wind profiling radar has been found which, when applied to successive spectral data, effectively eliminates most spurious echoes from the data while improving SNRs. When combined with velocity calculations using a firs
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c05878b56b0ad8716548611f97f530e3
https://doi.org/10.2514/6.1992-719
https://doi.org/10.2514/6.1992-719
Autor:
Alfred Blackadar, Timothy L. Wilfong
Publikováno v:
Weatherwise. 42:339-340
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f6a54e0c296e216752071188678e2247
https://doi.org/10.1080/00431672.1989.9932106
https://doi.org/10.1080/00431672.1989.9932106
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