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Browsing Defence, peace, safety & security by Author "Joubert, J"

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  • Kloke, KH; Joubert, J; Odendaal, JW (IEEE Xplore, 2015-08)
    Conventional rectangular waveguides are commonly used for high power and other microwave and millimeter wave applications. Their use at lower frequencies has been limited by their bulky nature. A new type of compact waveguide ...
  • Pienaar, Ciara; Odendaal, JW; Joubert, J; Pienaar, M; Smit, Johan C (IEEE, 2017-09)
    The accuracy with which various full-wave and asymptotic CEM techniques can calculate the RCS of lossy dielectric objects is investigated. This is conducted through comparison to measured RCS data. The investigated methods ...
  • Steyn, JM; Odendaal, JW; Joubert, J (Wiley-Blackwell, 2009-09)
    A double dipole antenna design is proposed for wireless local area network (WLAN) applications. Two parallel dipoles are used to facilitate operation in both the standard WLAN frequency bands (IEEE 802.11b and IEEE 802.11a) ...
  • Steyn, JM; Odendaal, JW; Joubert, J (Progress in Electromagnetics Research (PIER), 2009)
    Paper presents a dual-band dual-polarized antenna array design for WLAN applications. Four double-dipole elements are orthogonally interleaved to facilitate operation in both the standard WLAN frequency bands (IEEE 802.11b ...
  • Du Plessis, WP; Odendaal, JW; Joubert, J (Institute of Electrical and Electronics Engineers (IEEE), 2010-01)
    Experimental measurements that accurately simulate the effect of a retrodirective cross-eye jammer on a monopulse radar are described. The accuracy of a recently published extended analysis of retrodirective crosseye jamming ...
  • Du Plessis, WP; Odendaal, JW; Joubert, J (Institute of Electrical and Electronics Engineering (IEEE), 2009-09)
    An extended and rigorous analysis of retrodirective cross-eye jamming in a radar system scenario is presented. This analysis removes the approximations that limit the validity of other analyses of cross-eye jamming. These ...
  • Steyn, JM; Joubert, J; Odendaal, JW (European Microwave Association (EuMA), 2009-10)
    A dual-band dual-polarized (DBDP) configuration is proposed for wireless local area network (WLAN) applications. A four-element array is used to facilitate operation in both the standard WLAN frequency bands (IEEE 802.11b ...
  • Du Plessis, WP; Odendaal, JW; Joubert, J (Institute of Electrical and Electronics Engineers (IEEE), 2010-01)
    The matching required between the two directions through a retrodirective cross-eye jammer is considered using both the traditional phase-front analysis and an extended analysis. The design parameters to achieve a specified ...

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