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Magnetic field measurement system for HPM research

Möller, Cecilia (author)
KTH,Rymd- och plasmafysik
Elfsberg, Mattias (author)
KTH,Rymd- och plasmafysik
Larsson, Anders (author)
Swedish Defence Research Agency (FOI) Defence & Security, Systems and Technology, Grindsjön Research Centre, Tumba, Sweden
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Nyholm, Sten (author)
Swedish Defence Research Agency (FOI) Defence & Security, Systems and Technology, Grindsjön Research Centre, Tumba, Sweden
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 (creator_code:org_t)
2009
2009
English.
In: Proc. of Radiovetenskap och kommunikation (RVK08). ; , s. 86-93
  • Conference paper (peer-reviewed)
Abstract Subject headings
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  • One method to characterize the radiated microwave field from a high-power microwave (HPM) source is to measure the radiated high-level electromagnetic field in several locations at a high sampling rate registering the frequency time dependence, thus being able to determine the radiated pattern and mode. A complete free-field measurement system for measuring the magnetic field component in high-level electromagnetic fields has been developed at FOI. The system consists of a B-dot sensor and a balun, both designed and constructed at FOI. The B-dot sensor is designed as two cylindrical loop sensors with differential output. The balun is a microstrip design etched on a dual sided PTFE circuit board. Complete systems have been calibrated at SP Technical Research Institute of Sweden. A method to analyze the data from the free-field systems has been developed.

Subject headings

NATURVETENSKAP  -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)

Keyword

Space physics
Rymdfysik
Plasma physics
Plasmafysik

Publication and Content Type

ref (subject category)
kon (subject category)

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Elfsberg, Mattia ...
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Nyholm, Sten
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Royal Institute of Technology

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