The Qujing incoherent scatter radar: system description and preliminary measurements
The Qujing incoherent scatter radar (QJISR), the first one in China with the geographic location (25.6°N, 103.8°E), was brought into operation since the spring of 2014.
ZongHua Ding +4 more
doaj +1 more source
PAINLEV´E TEST OF A MAGNETOHYDRODYNAMICS SYSTEM [PDF]
One approximation of magnetohydrodynamics equations, which describe the cosmic object’s magnetic field, is considered. The analytic properties of a nonlinear system are investigated by Painlev´e test.
G.M. Vodinchar +2 more
doaj +1 more source
Wave Propagation in Granular Materials [PDF]
Wave propagation is a fundamental property of all physical systems. The wave speed is directly related to the compressibility of the system and determines the rate at which local disturbances are propagated into the bulk of the material.
Hostler, Stephen Richard
core +1 more source
Simulation of ultrasonic lamb wave generation, propagation and detection for an air coupled robotic scanner [PDF]
A computer simulator, to facilitate the design and assessment of a reconfigurable, air-coupled ultrasonic scanner is described and evaluated. The specific scanning system comprises a team of remote sensing agents, in the form of miniature robotic ...
Keith Worden +13 more
core +1 more source
Generation of equations for shell models of turbulence in the Maple system [PDF]
The paper describes a technology for the automated compilation of equations for shell models of turbulence in the computer algebra system Maple. A general form of equations for the coefficients of nonlinear interactions is given, which will ensure that ...
Feshchenko Liubov, Vodinchar Gleb
doaj +1 more source
Investigating Alfvénic wave propagation in coronal open-field regions [PDF]
The physical mechanisms behind accelerating solar and stellar winds are a long-standing astrophysical mystery, although recent breakthroughs have come from models invoking the turbulent dissipation of Alfvén waves.
Morton, Richard +2 more
core +1 more source
Results of atmospheric-lithospheric observations of acoustic radiation in Kamchatka [PDF]
Simultaneous atomspheric-lithospheric acoustic observations have been carried out during autumn-spring periods of 2017-2019 in Kamchatka at “Karymshina” observation site located in the zone of different-rank tectonic faults.
Larionov Igor +2 more
doaj +1 more source
Overview of processing and analysis methods for pulse geophysical signals [PDF]
The paper discusses the processing and analysis methods for the geoacoustic and electromagnetic emission pulse signals recorded for more than 20 years at the IKIR FEB RAS geodynamic proving ground (Kamchatka Peninsula).
Lukovenkova Olga +3 more
doaj +1 more source
Stability analysis of second- and fourth-order finite-difference modelling of wave propagation in orthotropic media [PDF]
The stability of the finite-difference approximation of elastic wave propagation in orthotropic homogeneous media in the three-dimensional case is discussed.
Veres, Istvan
core +1 more source
Operative center of the geophysical prognosis in Izmiran [PDF]
IZMIRAN was founded about 65 years ago with one of the goals of carrying out geomagnetic prognoses. More or less, this activity has been developed during its entire history, but about 6 years ago this aim became sufficiently feasible due to the ...
A. V. Belov +5 more
doaj +1 more source

