Millimeter-wave imaging of thermal and chemical signatures.

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Development of a passive millimeter-wave (mm-wave) system is described for remotely mapping thermal and chemical signatures of process effluents with application to arms control and nonproliferation. Because a large amount of heat is usually dissipated in the air or waterway as a by-product of most weapons of mass destruction facilities, remote thermal mapping may be used to detect concealed or open facilities of weapons of mass destruction. We have developed a focal-plane mm-wave imaging system to investigate the potential of thermal mapping. Results of mm-wave images obtained with a 160-GHz radiometer system are presented for different target scenes simulated in ... continued below

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12 p.

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Gopalsami, N. March 30, 1999.

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Description

Development of a passive millimeter-wave (mm-wave) system is described for remotely mapping thermal and chemical signatures of process effluents with application to arms control and nonproliferation. Because a large amount of heat is usually dissipated in the air or waterway as a by-product of most weapons of mass destruction facilities, remote thermal mapping may be used to detect concealed or open facilities of weapons of mass destruction. We have developed a focal-plane mm-wave imaging system to investigate the potential of thermal mapping. Results of mm-wave images obtained with a 160-GHz radiometer system are presented for different target scenes simulated in the laboratory. Chemical and nuclear facilities may be identified by remotely measuring molecular signatures of airborne molecules emitted from these facilities. We have developed a filterbank radiometer to investigate the potential of passive spectral measurements. Proof of principle is presented by measuring the HDO spectral line at 80.6 GHz with a 4-channel 77-83 GHz radiometer.

Physical Description

12 p.

Notes

INIS; OSTI as DE00011091

Medium: P; Size: 12 pages

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  • SPIE's 13th Annual International Symposium on Aerospace/Defense Sensing, Simulation and Controls, Orlando, FL (US), 04/05/1999--04/09/1999

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  • Report No.: ANL/ET/CP-97623
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 11091
  • Archival Resource Key: ark:/67531/metadc619512

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • March 30, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 6, 2017, 8:22 p.m.

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Gopalsami, N. Millimeter-wave imaging of thermal and chemical signatures., article, March 30, 1999; Illinois. (digital.library.unt.edu/ark:/67531/metadc619512/: accessed November 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.