Results 121 to 130 of about 493 (197)

A novel method for computing state transition matrices due to the unscented transform. [PDF]

Celest Mech Dyn Astron
Makadia R, Farnocchia D, Chesley SR, Eggl S.   +3 more
europepmc   +1 more source

Astronomical Longitude and Azimuth Determinations. (George Darwin Lecture, delivered by Dr. N. E. Norlund, Assoc.R.A.S., on 1937 May 14.) [PDF]

Monthly Notices of the Royal Astronomical Society, 1937
openaire   +1 more source

CUSTR- A VHF phased array radar for observation of atmospheric dynamics and ionospheric plasma irregularities. [PDF]

Sci Rep
Nandakumar P, Siddiqui JY, Srinivasulu P, Paul A.   +3 more
europepmc   +1 more source

A New Method for Ground-Based Optical Polarization Observation of the Moon. [PDF]

Sensors (Basel)
Wang W, Ping J, Zhang W, Wang M, Ye H, Han X, Kou S.   +6 more
europepmc   +1 more source

Space debris and satellite laser ranging combined using a megahertz system. [PDF]

Nat Commun
Steindorfer MA, Wang P, Koidl F, Kirchner G.   +3 more
europepmc   +1 more source

Measuring location and properties of very high frequency sources emitted from an aircraft flying through high clouds. [PDF]

Nat Commun
Scholten O, Lourens M, Buitink S, Cummer S, Dwyer J, Hare BM, Huege T, Liu N, Mulrey K, Nelles A, Sterpka C, Trinh TNG, Turekova P, Ter Veen S.   +13 more
europepmc   +1 more source

Four-Ce:Nd:YAG-rod solar laser with 4.49% conversion efficiency through Fresnel lens. [PDF]

Sci Rep
Costa H, Liang D, Almeida J, Tibúrcio BD, Vistas CR.   +4 more
europepmc   +1 more source

Hybrid Unsupervised-Supervised Learning Framework for Rainfall Prediction Using Satellite Signal Strength Attenuation. [PDF]

Sensors (Basel)
Laon P, Sahavisit T, Pourbunthidkul S, Puangragsa S, Wichittrakarn P, Phasukkit P, Houngkamhang N.   +6 more
europepmc   +1 more source

Uncertainty analysis of initial orbit determination in the minimum radar admissible region. [PDF]

Sci Rep
Zhang Y, Xue J, Tao X, Zhao S.
europepmc   +1 more source

Alteration of twilight sky brightness profile by light pollution. [PDF]

Sci Rep
Faid MS, Shariff NNM, Hamidi ZS, Wahab RA, Ahmad N, Mohd Nawawi MSA, Nahwandi MS.   +6 more
europepmc   +1 more source