EM field and instrumentation diagnostics in support of the LFT&E HPM methodology testing

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Description

The Naval Air Warfare Center, China Lake, under the direction of the DOD LFT&E Office performed a series of HPM tests for the purpose of exercising the HPM methodology for LFT&E applications. An AH-1S Cobra helicopter was used as the canonical test bed. The Air Force Research Lab (formally Phillips Lab) provided the wide-band source and the Army Research Lab provided the narrow-band used in the tests. LLNL provided the EM diagnostics used at the site for both test series. Our mission was to measure the radiated field from the sources, measure the fields inside the helicopter and the coupling ... continued below

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7.3 Megabytes

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Anderson, R. A. & Nelson, S. D. September 4, 1997.

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Description

The Naval Air Warfare Center, China Lake, under the direction of the DOD LFT&E Office performed a series of HPM tests for the purpose of exercising the HPM methodology for LFT&E applications. An AH-1S Cobra helicopter was used as the canonical test bed. The Air Force Research Lab (formally Phillips Lab) provided the wide-band source and the Army Research Lab provided the narrow-band used in the tests. LLNL provided the EM diagnostics used at the site for both test series. Our mission was to measure the radiated field from the sources, measure the fields inside the helicopter and the coupling onto various signal lines inside the helicopter, and to monitor the various system signal levels for �bird health� purposes. These experiments were performed during June of 1997 and consisted of exposing the test bed to a series of narrow-band and wide-band pulses from HPM sources. This report covers the measured radiated fields, the fields inside the helicopter, and the coupled signal levels. The radiated fields were measured over a region which spans the physical body of the helicopter. The fields inside the helicopter and the coupled fields were measured using a series of probes inside the helicopter and connected to the outside measurement system using fiber-optic cables. The helicopter effects data are presented in the main China Lake report.

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7.3 Megabytes

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  • Other: DE00003401
  • Report No.: UCRL-ID-128420
  • Grant Number: W-7405-Eng-48
  • DOI: 10.2172/3401 | External Link
  • Office of Scientific & Technical Information Report Number: 3401
  • Archival Resource Key: ark:/67531/metadc682247

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • September 4, 1997

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • May 6, 2016, 11:17 p.m.

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Anderson, R. A. & Nelson, S. D. EM field and instrumentation diagnostics in support of the LFT&E HPM methodology testing, report, September 4, 1997; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc682247/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.