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1.
  • Aldhubaib, Faisal, et al. (author)
  • A Radar Target Signature based on Resonance and dual Polarization Features
  • 2008
  • In: 2008 Asia Pacific Microwave Conference, APMC 2008; Hong Kong; China; 16 December 2008 through 20 December 2008. - 9781424426423 ; , s. 1-4
  • Conference paper (peer-reviewed)abstract
    • A physically based radar target scattering signature is derived from observable data using a frequency domain scattering model that incorporates the backscattered radar target polarization response at the target natural resonance frequencies (NRF). Two rotationally symmetric targets of simple but similar characteristic geometry are used to demonstrate the theoretical feasibility and the ability to distinguish the two similar targets by this proposed signature.
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2.
  • Håkansson, Pär, et al. (author)
  • Ultra-Wideband Six-port Transmitter and Receiver Pair 3.1-4.8 GHz
  • 2008
  • In: Proceedings of 2008 Asia Pacific Microwave Conference. - Piscataway, NJ, USA : IEEE. - 9781424426416 - 9781424426423 ; , s. 1858-1861
  • Conference paper (peer-reviewed)abstract
    • This paper presents an ultra-wideband transmitter and receiver pair covering the frequency band of 3.1-4.8 GHz, based on the six-port technique. This six-port circuit utilizes three ultra-wideband 3-dB 90 degrees branch couplers and one 3-dB 0 degrees Wilkinson power divider. It is manufactured utilizing microstrips on a printed circuit board. The measurement shows that the transmitter and receiver are able to demodulate and modulate QPSK signals in the frequency range 3.1 to 4.8 GHz.
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