Gravitational field sensor for prediction of big seismic waves

@article{Chiba1992GravitationalFS,
  title={Gravitational field sensor for prediction of big seismic waves},
  author={Jiro Chiba and Tsunehiro Obata},
  journal={Proceedings 1992 International Carnahan Conference on Security Technology: Crime Countermeasures},
  year={1992},
  pages={218-224}
}
  • J. Chiba, T. Obata
  • Published 14 October 1992
  • Geology
  • Proceedings 1992 International Carnahan Conference on Security Technology: Crime Countermeasures
The authors outline the gravitational field sensor for prediction of large seismic waves. They studied the turbulence of a Newtonian gravitational field due to large seismic waves and the detection of the turbulent field by an interferometric gravitational wave antenna. The cause of the turbulent field is the variation of the mass density in the ground by the waves. The warning system using the antenna is superior to that of a seismograph. When the seismograph and the antenna are set at the… 
3 Citations
Measures against noise in sensors for prediction of large seismic waves
  • J. Chiba, Y. Nemoto
  • Geology
    Proceedings The Institute of Electrical and Electronics Engineers. 29th Annual 1995 International Carnahan Conference on Security Technology
  • 1995
TLDR
The paper outlines the measures against noise in detectors for prediction of large seismic waves by observing the gravitational field turbulence and finds that optimum filtering plays an important role.
Detection technology of large seismic waves
  • J. Chiba, Y. Nemoto
  • Geology
    Proceedings IEEE 32nd Annual 1998 International Carnahan Conference on Security Technology (Cat. No.98CH36209)
  • 1998
TLDR
The detection technology of large seismic waves is investigated, with particular attention paid to output signal patterns of an interferometric gravitational field detector when seismic waves are approaching.
Sensor for prediction of large seismic waves
  • J. Chiba, Y. Nemoto
  • Geology
    Proceedings IEEE 31st Annual 1997 International Carnahan Conference on Security Technology
  • 1997
TLDR
The noise isolation system of an optical interferometric gravitational field sensor for prediction of large seismic waves and vibration noise is outlined.

References

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The paper treats of the propagation of vibrations over the surface of a “semi-infinite” isotropic elastic solid, i. e., a solid bounded only by a plane. For purposes of description, this plane may be