5 May 2009 Underground intrusion sensor for urban operations
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Abstract
This paper introduces new developed unattended ground sensor - UGS for urban warfare conditions. It describes the challenges of urban area warfare and the problems rising with standard UGS installed, particularly for data transfer via VHF communication. Then the author discusses the options for UGS new types to be made considering data transfer in LF-band. However, the core deals with the design and construction of an ultra-thin sensor whose part sensing the mechanical vibrations of surface seismic waves excited by human walk is also utilized as a transmitting aerial operating in LF-band. In this part, the paper describes the modified LF-band receiver working at the same time as a UHF-band repeater unit, too. In addition, the receiver may be completed with a GPS-operating receiver unit. The paper concludes with presentation of practical test run results achieved with a sensor sample really made and with a description of future development trends of ultra-thin sensors. The designed sensor may be optionally utilized for non-standard locating unit to find persons' positions in underground spaces, tunnels, caves, etc.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jaroslav Cechak, Jaroslav Cechak, } "Underground intrusion sensor for urban operations", Proc. SPIE 7333, Unattended Ground, Sea, and Air Sensor Technologies and Applications XI, 733312 (5 May 2009); doi: 10.1117/12.816905; https://doi.org/10.1117/12.816905
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