Search Results - (Author, Cooperation:R. J. Strangeway)

Showing 1 - 16 results of 16, query time: 0.27s Refine Results
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    J. L. Burch ; R. B. Torbert ; T. D. Phan ; L. J. Chen ; T. E. Moore ; R. E. Ergun ; J. P. Eastwood ; D. J. Gershman ; P. A. Cassak ; M. R. Argall ; S. Wang ; M. Hesse ; C. J. Pollock ; B. L. Giles ; R. Nakamura ; B. H. Mauk ; S. A. Fuselier ; C. T. Russell ; R. J. Strangeway ; J. F. Drake ; M. A. Shay ; Y. V. Khotyaintsev ; P. A. Lindqvist ; G. Marklund ; F. D. Wilder ; D. T. Young ; K. Torkar ; J. Goldstein ; J. C. Dorelli ; L. A. Avanov ; M. Oka ; D. N. Baker ; A. N. Jaynes ; K. A. Goodrich ; I. J. Cohen ; D. L. Turner ; J. F. Fennell ; J. B. Blake ; J. Clemmons ; M. Goldman ; D. Newman ; S. M. Petrinec ; K. J. Trattner ; B. Lavraud ; P. H. Reiff ; W. Baumjohann ; W. Magnes ; M. Steller ; W. Lewis ; Y. Saito ; V. Coffey ; M. Chandler
    American Association for the Advancement of Science (AAAS)
    Published 2016
    Staff View
    Publication Date:
    2016-05-14
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    Latest Papers from Table of Contents or Articles in Press
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    O. J. Brambles ; W. Lotko ; B. Zhang ; M. Wiltberger ; J. Lyon ; R. J. Strangeway
    American Association for the Advancement of Science (AAAS)
    Published 2011
    Staff View
    Publication Date:
    2011-06-04
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    Latest Papers from Table of Contents or Articles in Press
  10. 10
    Staff View
    Publication Date:
    2018-09-07
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Geosciences
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Keywords:
    Geochemistry, Geophysics, Planetary Science
    Published by:
    Latest Papers from Table of Contents or Articles in Press
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    Zhang, T. L. ; Delva, M. ; Magnes, W. ; Strangeway, R. J. ; Wei, H. Y. ; Russell, C. T.

    [s.l.] : Nature Publishing Group
    Published 2007
    Staff View
    ISSN:
    1476-4687
    Source:
    Nature Archives 1869 - 2009
    Topics:
    Biology
    Chemistry and Pharmacology
    Medicine
    Natural Sciences in General
    Physics
    Notes:
    [Auszug] The occurrence of lightning in a planetary atmosphere enables chemical processes to take place that would not occur under standard temperatures and pressures. Although much evidence has been reported for lightning on Venus, some searches have been negative and the existence of lightning has ...
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  13. 13
    Staff View
    ISSN:
    1572-9052
    Keywords:
    Time series ; Bayesian approach ; outlier detection ; smoothing ; nonlinear modeling
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Mathematics
    Notes:
    Abstract In the measurements of VLF electric fields with the Pioneer Venus spacecraft in sunlight, spin synchronized signals often dominate over the naturally generated emissions. We present a method to separate natural emissions from the several possible sources of noise. Our major objective by this method is not to remove all spin modulation, but to effectively subtract the background noise caused by the identifiable noise sources. Examination of the data shows that the background spin synchronized noise is quite sensitive to ϑ(n), the angle between the sense axis and the solar direction. We model the observed data asy(n)=w(n)t(n)f(ϑ(n))+x(n), wheref(ϑ) represents the phase response of the background noise andx(n) is the estimated natural emissions.t(n) andw(n) are the long-term trend component and time- and phase-independent component of the intensity of the background noise, respectively. The method to decomposey(n) is based on the Bayesian approach which has been recently applied to various inversion problems such as nonstationary time series modeling and image reconstruction. In this procedure, the estimated parametersw(n),t(n),f(ϑ), andx(n) can be determined automatically. We will describe the Bayesian scheme and its application to the Pioneer Venus VLF electric field data.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
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    STRANGEWAY, R. J.

    [s.l.] : Nature Publishing Group
    Published 1990
    Staff View
    ISSN:
    1476-4687
    Source:
    Nature Archives 1869 - 2009
    Topics:
    Biology
    Chemistry and Pharmacology
    Medicine
    Natural Sciences in General
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
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    Mihalov, J. D. ; Strangeway, R. J.
    Springer
    Published 1995
    Staff View
    ISSN:
    1573-093X
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Physics
    Notes:
    Abstract Solar wind data from the Ames experiment aboard the Pioneer Venus Orbiter, coincident with a period of unprecedented solar activity that began at the end of May, 1991, within the highly active earlier portion of 1991, are summarized and discussed. Some comparison is made with corresponding data from Earth. Some particularly large, strong shocks and solar ejecta were observed at Venus. The solar longitude of Venus, relative to associated flares, varied over a wide range, for a series of flares that produced X-rays that saturated the GOES X-ray counters. Some of the disturbances at Venus must be due to CMEs with longitudinal extents up to ∼40–50 deg.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
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    Strangeway, R. J.
    Springer
    Published 1991
    Staff View
    ISSN:
    1572-9672
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Physics
    Notes:
    Abstract Many significant wave phenomena have been discovered at Venus with the plasma wave instrument flow on the Pioneer Venus Orbiter. It has been shown that whistler-mode waves in the magnetosheath of the planet may be an important source of energy for the topside ionosphere. Plasma waves are also associated with thickening of the ionopause current layer. Current-generated waves in plasma clouds may provide anomalous resistance resulting in electron acceleration, possibly producing aurora. Ion-acoustic waves are observed in the bow shock, and appear to be a feature of the magnetotail boundary. Lastly plasma waves have been cited as evidence for lightning on Venus.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses