The investigation of the combined use of microbarometric and seismic data to detect and identify infrasonic signals. Semi-annual report No. 1, 1 Apr-30 Sep 81

Technical Report · Wed Dec 30 00:00:00 EST 1981

OSTI ID:5107730

Sorrells, G G

There is a need to acquire an infrasonics monitoring capability to supplement existing atmospheric nuclear test surveillance systems. A research program to investigate the combined use of a three-component seismograph and a microbarograph to supply the desired monitoring capability is currently underway. A temporary observatory consisting of a five-element microbarograph array and a three-component, long-period seismograph system has been established near McKinney, Texas, to acquire the experimental data necessary to perform the investigation. Preliminary analysis of the data indicates that the infrasonic signal-to-noise ratio will be greater at the output of a vertical seismograph than at the output of a microbarograph in a frequency range extending roughly from 0.005 Hz to 0.05 Hz during intervals of atmospheric turbulence.

• Research Organization: Teledyne Geotech, Garland, TX (USA)
• OSTI ID: 5107730
• Report Number(s): AD-A-110181/5
• Country of Publication: United States
• Language: English

Related Subjects

45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
NUCLEAR EXPLOSION DETECTION
RADIOWAVE RADIATION
SEISMIC DETECTION
ATMOSPHERIC EXPLOSIONS
HZ RANGE
RESEARCH PROGRAMS
SEISMOGRAPHS
SIGNAL-TO-NOISE RATIO
DETECTION
ELECTROMAGNETIC RADIATION
EXPLOSIONS
FREQUENCY RANGE
MEASURING INSTRUMENTS
RADIATIONS
SEISMIC ARRAYS
SEISMIC DETECTORS
450300* - Military Technology
Weaponry
& National Defense- Nuclear Explosion Detection