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Low Noise Borehole Triaxial Seismometer Phase II
Author(s) -
James D Kerr,
David W McClung
Publication year - 2006
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/894603
Subject(s) - seismometer , borehole , instrumentation (computer programming) , broadband , noise (video) , engineering , electronics , acoustics , seismology , electrical engineering , geology , computer science , telecommunications , geotechnical engineering , physics , civil engineering , operating system , artificial intelligence , image (mathematics)
This report describes the preliminary design and the effort to date of Phase II of a Low Noise Borehole Triaxial Seismometer for use in networks of seismic stations for monitoring underground nuclear explosions. The design uses the latest technology of broadband seismic instrumentation. Each parameter of the seismometer is defined in terms of the known physical limits of the parameter. These limits are defined by the commercially available components, and the physical size constraints. A theoretical design is proposed, and a preliminary prototype model of the proposed instrument has been built. This prototype used the sensor module of the KS2000. The installation equipment (hole locks, etc.) has been designed and one unit has been installed in a borehole. The final design of the sensors and electronics and leveling mechanism is in process. Noise testing is scheduled for the last quarter of 2006

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