Results 191 to 200 of about 4,190 (216)

Analysis and Prediction of Urban Surface Transformation Based on Small Baseline Subset Interferometric Synthetic Aperture Radar and Sparrow Search Algorithm-Convolutional Neural Network-Long Short-Term Memory Model. [PDF]

Sensors (Basel)
Chen Y, Du S, Huang P, Ren H, Yin B, Qi Y, Ding C, Xu W.   +7 more
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Precise Positioning in Nitrogen Fertility Sensing in Maize (Zea mays L.). [PDF]

Sensors (Basel)
Setiyono T.
europepmc   +1 more source

Exploring the mystical relationship between the Moon, Sun, and birth rate. [PDF]

BMC Pregnancy Childbirth
Londero AP, Bertozzi S, Messina G, Xholli A, Michelerio V, Mariuzzi L, Prefumo F, Cagnacci A.   +7 more
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Continuous High-Precision Positioning in Smartphones by FGO-Based Fusion of GNSS-PPK and PDR. [PDF]

Micromachines (Basel)
Magsi AH, Díez LE, Knauth S.
europepmc   +1 more source

Elliptical ejecta of asteroid Dimorphos is due to its surface curvature. [PDF]

Nat Commun
Hirabayashi M, Raducan SD, Sunshine JM, Farnham TL, Deshapriya JDP, Li JY, Tancredi G, Chesley SR, Daly RT, Ernst CM, Gai I, Hasselmann PH, Naidu SP, Nair H, Palmer EE, Waller CD, Zinzi A, Agrusa HF, Barbee BW, Syal MB, Collins GS, Davison TM, DeCoster ME, Jutzi M, Kumamoto KM, Moskovitz NA, Lyzhoft JR, Schwartz SR, Abell PA, Barnouin OS, Chabot NL, Cheng AF, Dotto E, Fahnestock EG, Michel P, Richardson DC, Rivkin AS, Stickle AM, Thomas CA, Beccarelli J, Brucato JR, Dall'Ora M, Corte VD, Epifani EM, Ieva S, Impresario G, Ivanovski S, Lucchetti A, Modenini D, Pajola M, Palumbo P, Pirrotta S, Poggiali G, Rossi A, Tortora P, Tusberti F, Zannoni M, Zanotti G, Ferrari F, Glenar DA, Herreros I, Jacobson SA, Karatekin Ö, Lazzarin M, Lolachi R, Lucas MP, Makadia R, Marzari F, Merrill CC, Migliorini A, Nakano R, Ormö J, Sánchez P, Senel CB, Soldini S, Stubbs TJ.   +75 more
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4. Ephemerides (Ephemerides) [PDF]

Transactions of the International Astronomical Union, 1988
This report covers the period from 1 July 1984 to 30 June 1987. The ephemerides that have been published during this period have made use of the new system of astronomical constants adopted at the XVIth General Assembly of the lAU in Grenoble. Yet some difficulties have arisen because of the lack of catalogues or maps of the heavens established for the
A. Yamazaki, R. L. Duncombe, Jay H. Lieske, B. Morando, J. Chapront, S. Aokl, B. D. Yallop, V. K. Abalakin, P. K. Seldelmann, T. Lederle   +9 more
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Planetary Ephemerides

International Astronomical Union Colloquium, 1980
AbstractIn the past twenty years there has been a great amount of growth in radiometric observing methods, as well as in classical optical observations. Through radar ranging and Doppler observations of the planets and spacecraft, we have been able to improve our knowledge of the location and motion of the planets by several orders of magnitude and ...
Jay H. Lieske, E. Myles Standish
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Compression of ephemerides

Celestial Mechanics, 1975
An algorithm is proposed for generating sequences of Chebyshev series which are the best approximations of an astronomical ephemeris in the sense of Chebyshev over large intervals of time. The criterion for a polynomial approximation of a function to be the best polynomial approximation of the function is that the error function present certain ...
Andrée Deprit-Bartholomé, Walter Poplarchek, A. Deprit   +2 more
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