Physical and mathematical description of Nuclear Weapons Identification System (NWIS) signatures

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Description

This report describes all time and frequency analysis parameters measured with the new Nuclear Weapons Identification System (NWIS) processor with three input channels: (1) the {sup 252}Cf source ionization chamber; (2) a detection channel; and (3) a second detection channel for active measurements. An intuitive and physical description of the various functions is given as well as a brief mathematical description and a brief description of how the data are acquired. If the full five channel capability is used, the number of functions increases in number but not in type. The parameters provided by this new NWIS processor can be ... continued below

Physical Description

49 p.

Creation Information

Mihalczo, J.T.; Valentine, T.E.; Mullens, J.A. & Mattingly, J.K. September 26, 1997.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 16 times . More information about this report can be viewed below.

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  • Oak Ridge Y-12 Plant
    Publisher Info: Oak Ridge Y-12 Plant, TN (United States)
    Place of Publication: Tennessee

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Description

This report describes all time and frequency analysis parameters measured with the new Nuclear Weapons Identification System (NWIS) processor with three input channels: (1) the {sup 252}Cf source ionization chamber; (2) a detection channel; and (3) a second detection channel for active measurements. An intuitive and physical description of the various functions is given as well as a brief mathematical description and a brief description of how the data are acquired. If the full five channel capability is used, the number of functions increases in number but not in type. The parameters provided by this new NWIS processor can be divided into two general classes: time analysis signatures including multiplicities and frequency analysis signatures. Data from measurements with an 18.75 kg highly enriched uranium (93.2 wt%, {sup 235}U) metal casting for storage are presented to illustrate the various time and frequency analysis parameters.

Physical Description

49 p.

Notes

INIS; OSTI as DE98054348

Source

  • Other Information: PBD: 26 Sep 1997

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  • Other: DE98054348
  • Report No.: Y/LB--15946-R2
  • Grant Number: AC05-84OR21400
  • DOI: 10.2172/665856 | External Link
  • Office of Scientific & Technical Information Report Number: 665856
  • Archival Resource Key: ark:/67531/metadc703390

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • September 26, 1997

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 8, 2016, 5:59 p.m.

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Mihalczo, J.T.; Valentine, T.E.; Mullens, J.A. & Mattingly, J.K. Physical and mathematical description of Nuclear Weapons Identification System (NWIS) signatures, report, September 26, 1997; Tennessee. (digital.library.unt.edu/ark:/67531/metadc703390/: accessed September 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.