Results 111 to 120 of about 2,143 (164)

Satellite megaconstellations will threaten space-based astronomy. [PDF]

Nature
Borlaff AS, Marcum PM, Howell SB.
europepmc   +1 more source

Multiwavelength constraints on the origin of a nearby repeating fast radio burst source in a globular cluster. [PDF]

Nat Astron
Pearlman AB, Scholz P, Bethapudi S, Hessels JWT, Kaspi VM, Kirsten F, Nimmo K, Spitler LG, Fonseca E, Meyers BW, Stairs IH, Tan CM, Bhardwaj M, Chatterjee S, Cook AM, Curtin AP, Dong FA, Eftekhari T, Gaensler BM, Güver T, Kaczmarek J, Leung C, Masui KW, Michilli D, Prince TA, Sand KR, Shin K, Smith KM, Tendulkar SP.   +28 more
europepmc   +1 more source

An Adaptive Deep Ensemble Learning for Specific Emitter Identification. [PDF]

Sensors (Basel)
Shang P, Guo L, Zou D, Wang X, Liu P, Gao S.   +5 more
europepmc   +1 more source

Observation of Kerr soliton microcomb locked with a phonon laser. [PDF]

Sci Adv
Li X, Xie Y, Ding S, Zhang M, He Y, He B, Xiao M, Jiang X.   +7 more
europepmc   +1 more source

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Orbiting Low Frequency Array for radio astronomy

2011 Aerospace Conference, 2011
Recently new and interesting science drivers have emerged for very low frequency radio astronomy from 0.3 MHz to 30 MHz. However Earth bound radio observations at these wavelengths are severely hampered by ionospheric distortions, man made interference, solar flares and even complete reflection below 10 MHz.
Rajan, Rai Thilak, Engelen, Steven, Bentum, Mark, Verhoeven, Chris   +3 more
openaire   +2 more sources

Very low frequency radio astronomy

Advances in Space Research, 1996
Abstract Very low frequency (VLF) radio astronomy covers the frequency range below about 30 MHz (or the wavelength range above 10 m). This is the last window of the electromagnetic spectrum never to have been observed with spatial resolution. This is a range over which the Earth's ionosphere transmits either poorly or not at all.
openaire   +1 more source

Solar Radio Astronomy at Low Frequencies

Symposium - International Astronomical Union, 2002
This review is concerned to study of sun at frequencies lower than 1.4 GHz. Emphasis is made on results which illustrate the topics in which GMRT could play a major role. Coordinated studies including spectral and imaging radio observations are important for research in solar physics.
openaire   +2 more sources

Wideband low frequency antennas for radio astronomy arrays

2011 XXXth URSI General Assembly and Scientific Symposium, 2011
Antennas in the frequency range 10 to 300 MHz are being designed with all-sky coverage, a low response at the horizon to minimize interference from terrestrial sources, negligible ground loss and a good low noise match to the low noise amplifier (LNA).
Alan E. E. Rogers, Eric Kratzenberg, Brian E. Corey, Colin J. Lonsdale, Christopher L. Williams, Judd D. Bowman   +5 more
openaire   +1 more source