Výsledky vyhledávání - "R.C. Livingston"

Akademický článek

Effects of Kitchen Cooking Height on Upper Limb Muscle Activation, Posture, and Perceived Discomfort of Chinese Older and Young Women.

Autor: Li, Ye¹ (AUTHOR) jasmineye@bjfu.edu.cn, Chang, Le¹ (AUTHOR) changle@bjfu.edu.cn, Zhang, Fan¹ (AUTHOR)

Publikováno v: Sensors (14248220). Nov2024, Vol. 24 Issue 21, p7056. 18p.

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Evidence of a high-altitude discharge process responsible for radar echoes at 24.4 MHz

Autor: T.E. Nelson, R.C. Livingston, Roland T. Tsunoda, Michael C. Kelley, Walter A. Lyons, J. J. Buonocore

Publikováno v: Journal of Atmospheric and Solar-Terrestrial Physics. 60:957-964

We present preliminary evidence of a high-altitude, electrical discharge process that can produce radar echoes at 24.38 MHz. This conclusion is drawn from pulsed-radar observations of near time-coincident occurrences of impulsive electromagnetic radi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c139ae29797f6c75a667a91a045dc7b8
https://doi.org/10.1016/s1364-6826(98)00036-4

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Self-survey calibration of meteor radar antenna arrays

Autor: Susan K. Avery, R.C. Livingston, T. A. Valentic, J. P. Avery

Publikováno v: IEEE Transactions on Geoscience and Remote Sensing. 35:524-531

This paper presents the self-surveying technique for calibrating the antenna spacing, orientation, and phase errors in multiple receiver radar antenna arrays. Utilizing a set of source transmitters placed at known locations in the far-field of the ar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c60642202eac48b2627f6873676ecbf3
https://doi.org/10.1109/36.581960

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The frequency-agile radar: A multifunctional approach to remote sensing of the ionosphere

Autor: Roland T. Tsunoda, A. V. McKinley, J. J. Buonocore, R.C. Livingston

Publikováno v: Radio Science. 30:1623-1643

We introduce a new kind of diagnostic sensor that combines multifunctional measurement capabilities for ionospheric research. Multifunctionality is realized through agility in frequency selection over an extended band (1.5 to 50 MHz), system modulari

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::372b77852b14749bfc5efbcaff6d77f1
https://doi.org/10.1029/95rs01298

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On the current-voltage relationship of the magnetospheric generator at intermediate spatial scales

Autor: J. F. Vickrey, Thomas A. Potemra, Frederick J. Rich, Roderick A. Heelis, Michael C. Kelley, R.C. Livingston, N. B. Walker

Publikováno v: Geophysical Research Letters. 13:495-498

Using data from the drift meter and magnetometer on board the HILAT satellite, we have examined fluctuations in high latitude electric and magnetic fields at scale sizes between 80 km and 3 km. A comparison of data from summer and winter allows us to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5cc5ff1ba6c695238c2a75c56e8c5570
https://doi.org/10.1029/gl013i006p00495

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On the statistics of scintillating signals

Autor: R.C. Livingston, E.J. Fremouw, Deborah A. Miller

Publikováno v: Journal of Atmospheric and Terrestrial Physics. 42:717-731

The statistics that best describe optical and radio signals that have been scattered by random refractive-index irregularities have presented an open question for some time. Different models have been used close to the medium (log-normal) and far fro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8e506cde4b02f2a8cc81b5228fb023c
https://doi.org/10.1016/0021-9169(80)90055-0

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Large amplitude thermospheric oscillations induced by an earthquake

Autor: Michael C. Kelley, R.C. Livingston, M. McCready

Publikováno v: Geophysical Research Letters. 12:577-580

Les oscillations verticales de grande amplitude et longue periode ont ete detectees au-dessus de Chatanika apres un seisme de 5,8 sur l'echelle de Richter. Les vitesses atteignaient 100 m/s a 300-450 km d'altitude. L'analyse des oscillations et de le

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::17e754e646f701e7e3ae021e799a1ba6
https://doi.org/10.1029/gl012i009p00577

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Raman scattering study of crystal dynamics and order-disorder transitions in alkali hydrosulfides

Autor: R.C. Livingston, G.J. Rosasco, J.J. Rush

Publikováno v: Solid State Communications. 13:159-162

Raman spectra have been measured for NaSH, CsSH and RbSH over a range of temperatures from 85 to 400°K. The results show that the order-disorder phase transitions in these solids are associated with significant changes in the details of their crysta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4cd3c15bdd0dae66884be2a3e20fbfff
https://doi.org/10.1016/0038-1098(73)90216-0

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