TRANSMITTER ARRAYS IN ACTIVE SEISMIC SYSTEMS FOR COMMUNICATIONS AND SURVEILLANCE.

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Abstract:

Experimental and theoretical data are presented on the performance of seismic wave transmitters consisting of arrays of 80-Hz 10-watt-max resonant seismic transducers. The influence of the structural dimensions of seismic media on the transmission of continuous seismic wave CSW signals is analyzed by a comparison of seismic radiation patterns obtained in the field with phase-controlled transducer arrays. Practical applications of phase-controlled seismic transmitter arrays are discussed, and equipments, circuits, and measurement methods are described. Author

Author(s):
Ikrath, Kurt ; Schneider, Wilhelm A. ; Johnson, Ronald F.
Author Organization(s):
ARMY ELECTRONICS COMMAND FORT MONMOUTH N J INST FOR EXPLORATORY RESEARCH
Descriptive Note:
Technical rept.
Pagination:
0028

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
ECOM-2730
Task Number(s):
1P014501B31A0043
Monitor Series:
2730
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*TRANSDUCERS, *SEISMIC WAVES, *INFORMATION THEORY, SEISMIC WAVES, UNDERGROUND, SOILS, MECHANICAL WAVES, PROPAGATION, DETECTION
Field(s)/Group(s):
Seismic Detection and Detectors, Non-Radio Communications
Keyword(s):
SEISMIC DETECTION SYSTEMS, SEISMIC COMMUNICATION SYSTEMS
Report Date:
1966 Jun 01