Results 61 to 70 of about 568,712 (199)
Earth and Planetary PhysicsDuring the course of ionospheric heating experiments, researchers at the European Incoherent Scatter Scientific Association (EISCAT) observed an apparent electron density enhancement.
Jun Wu +7 more
doaj +1 more source
Relation of daily periods of vlf radiation with X-ray sources
E3S Web of Conferences, 2016 Spectral analysis of electromagnetic noise radiation in the VLF range at three fixed frequencies for the period from 1997 to 2015 have been carried out. Periodograms with diurnal components associated with the periods of the Earth rotation relatively the
Drugin Gennady, Stasiy Ivan
doaj +1 more source
Experimental demonstration of stimulated polarization wave in a chain of nuclear spins
, 2007 A stimulated wave of polarization, which implements a simple mechanism of quantum amplification, is experimentally demonstrated in a chain of four J-coupled nuclear spins, irradiated by a weak radio-frequency transverse field.
Adams, Travis +2 more
core +1 more source
Method of making inflatable honeycomb Patent [PDF]
, 1967 Technique for making foldable, inflatable, plastic honeycomb core panels for use in building and bridge structures, light and radio wave reflectors, and ...
Schnitzer, E.
core +1 more source
Characteristics of Radio Aurora Occurrences Observed at Syowa Station in Antarctica
Antarctic Record, 1973 Radio aurora occurrences on 112 MHz observed for nearly one year from April 1970 till February 1971 at Syowa Station the Antarctic were analized. Results obtained are summarized as follows: 1) The diurnal variation in the frequency of the radio echo ...
Isao SHIRO, Toshirou SAKAMOTO
doaj +1 more source
On certain regularities in the formation of inhomogeneities in the ionosphere and their relationship with particle run-out from outer space [PDF]
Cosmic radio signal scintillations caused by radio wave diffractions on ionospheric ...
Bolshoy, A. A.
core +1 more source
Remote temperature profiling in the troposphere and stratosphere by the radio-acoustic sounding technique [PDF]
, 1986 Radar application of the radio-acoustic sounding technique uses the Doppler frequency shift of radar echoes returning from the atmospheric wave structure, in association with a traveling acoustic pulse transmitted from the ground, to determine the speed ...
Inuki, H., Masuda, Y., Matuura, N.
core +1 more source
Gravitational wave astronomy with radio galaxy surveys
, 2016 In the next decade, new astrophysical instruments will deliver the first large-scale maps of gravitational waves and radio sources. Therefore, it is timely to investigate the possibility to combine them to provide new and complementary ways to study the ...
Raccanelli, Alvise
core +1 more source
Joint analysis of low-frequency geoacoustic and deformation signals
E3S Web of Conferences, 2018 Simultaneous monitoring of signals recorded by a three-component piezoceramic seismic receiver and by a laser strainmeter-interferometer have been carried out in Kamchatka since 2016.
Mishchenko Mikhail +4 more
doaj +1 more source
Measuring Power of Earth Disturbances Using Radio Wave Phase Imager. [PDF]
J Imaging, 2023 Sharif RNK, Herring RA.
europepmc +1 more source