References

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Azim, R., A.T. Mobashsher and M.T. Islam, 2013. UWB antenna with notched band at 5.5 GHz. Electr. Lett., 49: 922-924.
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Azim, R., M.T. Islam and A.T. Mobashsher, 2013. Design of a dual band-notch UWB slot antenna by means of simple parasitic slits. IEEE Antennas Wireless Propagation Lett., 12: 1412-1415.
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Azim, R., M.T. Islam and N. Misran, 2011. Design of a planar UWB antenna with new band enhancement technique. Applied Comput. Electr. Soc. J., 26: 856-862.
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Dorostkar, M.A., M.T. Islam and R. Azim, 2013. Design of a novel super wide band circular-hexagonal fractal antenna. Progr. Electr. Res., 139: 229-245.
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FCC., 2002. Revision of part 15 of the commission's rules regarding ultra-wideband transmission systems. First Report and Order FCC 02, V48, Federal Communications Commission (FCC), April 2002.

Islam, M.M., M.T. Islam, M. Samsuzzaman and M.R.I. Faruque, 2015. A negative index metamaterial antenna for UWB microwave imaging applications. Microwave Optical Technol. Lett., 57: 1352-1361.
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Islam, M.M., M.T. Islam, M. Samsuzzaman, M.R.I. Faruque and N. Misran, 2015. Microstrip line‐fed fractal antenna with a high fidelity factor for UWB imaging applications. Microwave Optical Technol. Lett., 57: 2580-2585.
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Klemm, M., I.J. Craddock, A. Preece, J. Leendertz and R. Benjamin, 2008. Evaluation of a hemi‐spherical wideband antenna array for breast cancer imaging. Radio Sci., Vol. 43. 10.1029/2007RS003807

Liu, H.W., C.H. Ku, T.S. Wang and C.F. Yang, 2010. Compact monopole antenna with band-notched characteristic for UWB applications. IEEE Antennas Wireless Propagation Lett., 9: 397-400.
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Wang, C., Z.H. Yan, B. Li and P. Xu, 2012. A dual band‐notched UWB printed antenna with C‐shaped and U-shaped slots. Microwave Optical Technol. Lett., 54: 1450-1452.
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