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Title: Networked Sensor Arrays

Abstract

A set of independent radiation sensors, coupled with real-time data telemetry, offers the opportunity to run correlation algorithms for the sensor array as well as to incorporate non-radiological data into the system. This may enhance the overall sensitivity of the sensors and provide an opportunity to project the location of a source within the array. In collaboration with Lawrence Livermore National Laboratory (LLNL) and Sandia National Laboratories (SNL), we have conducted field experiments to test a prototype system. Combining the outputs of a set of distributed sensors permits the correlation that the independent sensor outputs. Combined with additional information such as traffic patterns and velocities, this can reduce random/false detections and enhance detection capability. The principle components of such a system include: (1) A set of radiation sensors. These may be of varying type and complexity, including gamma and/or neutron detectors, gross count and spectral-capable sensors, and low to high energy-resolution sensors. (2) A set of non-radiation sensors. These may include sensors such as vehicle presence and imaging sensors. (3) A communications architecture for near real-time telemetry. Depending upon existing infrastructure and bandwidth requirements, this may be a radio or hard-wire based system. (4) A central command console to polemore » the sensors, correlate their output, and display the data in a meaningful form to the system operator. Both sensitivity and selectivity are important considerations when evaluating the performance of a detection system. Depending on the application, the optimization of sensitivity as well as the rejection of ''nuisance'' radioactive sources may or may not be critical.« less

Authors:
Publication Date:
Research Org.:
Bechtel Nevada Corporation (US)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
804081
Report Number(s):
DOE/NV/11718-740
TRN: US0300562
DOE Contract Number:  
AC08-96NV11718
Resource Type:
Conference
Resource Relation:
Conference: Health Physics Aspects of Homeland Security and Emergency Response Conference, San Antonio, TX (US), 01/19/2003--01/22/2003; Other Information: PBD: 1 Oct 2002
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; ALGORITHMS; ENERGY RESOLUTION; NEUTRON DETECTORS; PERFORMANCE; RADIATION PROTECTION; SECURITY; SENSITIVITY; TELEMETRY; EMERGENCY PLANS; NETWORK ANALYSIS

Citation Formats

R. J. Tighe. Networked Sensor Arrays. United States: N. p., 2002. Web.
R. J. Tighe. Networked Sensor Arrays. United States.
R. J. Tighe. Tue . "Networked Sensor Arrays". United States. https://www.osti.gov/servlets/purl/804081.
@article{osti_804081,
title = {Networked Sensor Arrays},
author = {R. J. Tighe},
abstractNote = {A set of independent radiation sensors, coupled with real-time data telemetry, offers the opportunity to run correlation algorithms for the sensor array as well as to incorporate non-radiological data into the system. This may enhance the overall sensitivity of the sensors and provide an opportunity to project the location of a source within the array. In collaboration with Lawrence Livermore National Laboratory (LLNL) and Sandia National Laboratories (SNL), we have conducted field experiments to test a prototype system. Combining the outputs of a set of distributed sensors permits the correlation that the independent sensor outputs. Combined with additional information such as traffic patterns and velocities, this can reduce random/false detections and enhance detection capability. The principle components of such a system include: (1) A set of radiation sensors. These may be of varying type and complexity, including gamma and/or neutron detectors, gross count and spectral-capable sensors, and low to high energy-resolution sensors. (2) A set of non-radiation sensors. These may include sensors such as vehicle presence and imaging sensors. (3) A communications architecture for near real-time telemetry. Depending upon existing infrastructure and bandwidth requirements, this may be a radio or hard-wire based system. (4) A central command console to pole the sensors, correlate their output, and display the data in a meaningful form to the system operator. Both sensitivity and selectivity are important considerations when evaluating the performance of a detection system. Depending on the application, the optimization of sensitivity as well as the rejection of ''nuisance'' radioactive sources may or may not be critical.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2002},
month = {10}
}

Conference:
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