Results 81 to 90 of about 20,447 (217)
Diurnal variation of overdense meteor echo duration and ozone [PDF]
The diurnal variation of the median duration of overdense sporadic radar meteor echoes is examined. The meteors recorded in August, December, and January by the Ondrejov meteor radar during the period 1958-1990 were used for the analysis.
Simek, Milos
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Serial Correlation of Meteor Radar Rates [PDF]
Symposium - International Astronomical Union, 1980 Fluctuations in meteor rates. A fundamental concept in meteor astronomy is the rate of occurrence of meteors (hourly rate). The diurnal and seasonal behaviour of meteor radar rates has been the subject of many studies in the past. In these studies the tacit assumption is made that the observed rate variations are of an astronomical nature.
openaire +1 more source
Photographic fireball networks [PDF]
Long term radar observations of any meteor shower yield good data for a study of the features of its cross section structure in detail. The hourly rates of meteor echoes represent usually the basic data from which shower characteristics are derived ...
Ceplecha, Z.
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Determination of meteor flux distribution over the celestial sphere [PDF]
A new method of determination of meteor flux density distribution over the celestial sphere is discussed. The flux density was derived from observations by radar together with measurements of angles of arrival of radio waves reflected from meteor trails.
Andreev, V. V. +3 more
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, 2018 We investigate the possibility that sufficiently large electric fields and/or ionization during geomagnetic disturbed conditions may invalidate the assumptions applied in the retrieval of neutral horizontal winds from meteor and/or lidar measurements. As
Kumar, G. Kishore +2 more
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Radar images - Meteor Crater, Arizona [PDF]
Aerial radar imagery of Meteor Crater ...
Schaber, G. G.
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MST radar detection of middle atmosphere tides [PDF]
, 1983 Meteorological and dynamical requirements pertaining to the specification of middle atmosphere tides by the MST radar technique are outlined. Major issues addressed include: (1) the extraction of tidal information from measurements covering a fraction of
Forbes, J. M.
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A Comprehensive Study of the Characteristics of Meteor Echoes, 1 [PDF]
Shape classification categories of meteor echoes, and recording of radar ...
Brown, J. C., Hawkins, G. S.
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Remote SensingAll-sky meteor radars are widely employed to observe the near-space atmospheric wind field, a crucial parameter of the near-space environment. Owing to the spatiotemporal uncertainty in meteor count distribution, meteor radars may encounter measurement ...
Xingxin Sun +9 more
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Meteor observation by the Kyoto meteor radar [PDF]
The Kyoto Meteor Radar is a monostatic coherent pulsed Doppler radar operating on the frequency of 31.57 MH. The system is computer controlled and uses radio interferometry for echo height determination.
Kato, Susumu, Tsuda, Toshitaka
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