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Variations of phase velocity and gradient values of ULF geomagnetic disturbances connected with the Izu strong earthquakes
phase velocity gradient values ULF geomagnetic disturbances Izu strong earthquakes
2009/12/11
Results of study of anomaly behavior of amplitudes, phase velocities and gradients of ULF electromagnetic disturbances (F = 0.002 – 0.5 Hz) before and during a seismic active period are presented. Inv...
Resonant-to-nonresonant transition in electrostatic ion-cyclotron wave phase velocity
Resonant-to-nonresonant transition electrostatic ion-cyclotron wave phase velocity
2009/11/11
Because of the implications for plasmas in the laboratory and in space, attention has been drawn to inhomogeneous energy-density driven (IEDD) waves that are sustained by velocity-shear-induced inhomo...
Fast calculation of the Jacobian of surface wave phase velocity
least-squares inversion Haskell method Jacobian
2009/3/5
Partial derivatives of surface wave phase velocity with respect to layer parameters, such as P-wave velocity and S-wave velocity, are the Jacobians of the linearlized least-squares scheme for the inve...
A New Method for Measuring the Directional Wave Spectrum. Part II. Measurement of the Directional Spectrum and Phase Velocity of Laboratory Wind Waves
Directional Wave Spectrum Phase Velocity Directional Spectrum Laboratory Wind Waves
2009/2/23
A new method for measuring the directional spectrum, introduced in the preceding paper (Rikiishi, 1978), has been applied to actual wind waves in a large experimental tank 70 m × 8 m with the water 3 ...