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Electric Field
Electromagnetic Field
Finite Element Method
Numerical Simulation
Pulse Compression
Reflection Coefficient
Transmission Coefficient
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Design and analysis of multimode x-band wraparound mode converter and extractor for pulse compression systems
Design and analysis of multimode x-band wraparound mode converter and extractor for pulse compression systems,10.1109/NRSC.2008.4542376,Yasser M. Mada
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Design and analysis of multimode x-band wraparound mode converter and extractor for pulse compression systems
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Yasser M. Madany
,
Ahmed F. Miligy
The characteristics of multimode X-band wraparound mode converter and extractor for RF
pulse compression
systems have been analyzed using a full 3D
electromagnetic field
inside a structure based on the
finite element method
(FEM). The converter performance is sensitive to the number of guide feeding and the feed of the WR90 rectangular waveguide while the extractor at two and seven guide feeding is sensitive to the feed of the WR90 rectangular waveguide and the circular output waveguide radius, which allow small reflection near 0.2 occurring at the input. The two output ports have transmission equal to unity at most X-band frequencies for the useful circular TE01 mode. For the specific circular mode extractor, the transmission is large or is equal to 0.5 at most X-band frequencies. The converter and extractor characteristics at the first five modes TE11, TE21, TE01, TE12 and TE22 such as reflection coefficient,
transmission coefficient
and the magnitude of
electric field
are obtained using numerical simulations.
Conference:
Radio Science National Conference - NSRC
, 2008
DOI:
10.1109/NRSC.2008.4542376
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