Poynting-vector based method for determining the bearing and location of electromagnetic sources
Abstract
A method and apparatus is utilized to determine the bearing and/or location of sources, such as, alternating current (A.C.) generators and loads, power lines, transformers and/or radio-frequency (RF) transmitters, emitting electromagnetic-wave energy for which a Poynting-Vector can be defined. When both a source and field sensors (electric and magnetic) are static, a bearing to the electromagnetic source can be obtained. If a single set of electric (E) and magnetic (B) sensors are in motion, multiple measurements permit location of the source. The method can be extended to networks of sensors allowing determination of the location of both stationary and moving sources.
- Inventors:
-
- Modesto, CA
- Tracy, CA
- Livermore, CA
- Golden, CO
- Danville, CA
- Issue Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 957010
- Patent Number(s):
- 7440858
- Application Number:
- 11/404,609
- Assignee:
- Lawrence Livermore National Security, LLC (Livermore, CA)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01R - MEASURING ELECTRIC VARIABLES
- DOE Contract Number:
- W-7405-ENG-48
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Simons, David J, Carrigan, Charles R, Harben, Philip E, Kirkendall, Barry A, and Schultz, Craig A. Poynting-vector based method for determining the bearing and location of electromagnetic sources. United States: N. p., 2008.
Web.
Simons, David J, Carrigan, Charles R, Harben, Philip E, Kirkendall, Barry A, & Schultz, Craig A. Poynting-vector based method for determining the bearing and location of electromagnetic sources. United States.
Simons, David J, Carrigan, Charles R, Harben, Philip E, Kirkendall, Barry A, and Schultz, Craig A. Tue .
"Poynting-vector based method for determining the bearing and location of electromagnetic sources". United States. https://www.osti.gov/servlets/purl/957010.
@article{osti_957010,
title = {Poynting-vector based method for determining the bearing and location of electromagnetic sources},
author = {Simons, David J and Carrigan, Charles R and Harben, Philip E and Kirkendall, Barry A and Schultz, Craig A},
abstractNote = {A method and apparatus is utilized to determine the bearing and/or location of sources, such as, alternating current (A.C.) generators and loads, power lines, transformers and/or radio-frequency (RF) transmitters, emitting electromagnetic-wave energy for which a Poynting-Vector can be defined. When both a source and field sensors (electric and magnetic) are static, a bearing to the electromagnetic source can be obtained. If a single set of electric (E) and magnetic (B) sensors are in motion, multiple measurements permit location of the source. The method can be extended to networks of sensors allowing determination of the location of both stationary and moving sources.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Oct 21 00:00:00 EDT 2008},
month = {Tue Oct 21 00:00:00 EDT 2008}
}
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