Publications

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Journal Article
Bao, X. L. and Ammann, M. J., Wideband Dual-Frequency Dual-Polarized Dipole-Like Antenna, IEEE Antennas and Wireless Propagation Letters, vol. 10, pp. 831-834, 2011.
Bao, X. L., Zhang, W. X., and Li, L. W., Study on the Dispersion Characteristics of PBG Structure Consisting of Anisotropic Medium By Using PSTD Method, Acta Electronica Sinica, vol. 65, no. 12, pp. 345-349, 2003.
Bao, X. L., Zhang, W. X., and Li, L. W., Study on the Bandgap Characteristics of Complex Material PBG Structure By Using Non-Yee Grid Higher Order FDTD Method, Chinese Journal of Radio Science, vol. 18, no. 4, pp. 353-358, 2003.
Bao, X. L. and Ammann, M. J., Small Patch/Slot Antenna with 53% Input Impedance Bandwidth, Electronics Letters, vol. 43, no. 3, pp. 146-148, 2007.
Panahi, A., Bao, X. L., Yang, K., O’Conchubhair, O., and Ammann, M. J., A Simple Polarization Reconfigurable Printed Monopole Antenna, IEEE Transactions on Antennas & Propagation, vol. 63, no. 11, pp. 5129 - 5134, 2015.
Ruvio, G., Ammann, M. J., and Bao, X. L., Radial EBG Cell Layout for GPS Patch Antennas, Electronics Letters, vol. 45, no. 13, pp. 663-664, 2009.
Bao, X. L. and Ammann, M. J., Printed UWB Antenna with Coupled Slotted Element for Notch-frequency Function, International Journal of Antennas & Propagation, vol. 2008, p. Article ID 713921, 8 pages, 2008.
Bao, X. L. and Ammann, M. J., Printed Triple-band Circularly Polarized Antenna for the Wireless Systems, Electronics Letters, vol. 50, no. 23, pp. 1664-1665, 2014.
Panahi, A., Bao, X. L., Ruvio, G., and Ammann, M. J., A Printed Triangular Monopole with Wideband Circular Polarization, IEEE Transactions on Antennas & Propagation, vol. 63, no. 1, pp. 415-418, 2015.
Bao, X. L. and Ammann, M. J., Printed Circularly-Polarized Antenna with Ultra-Wide Axial-Ratio Bandwidth, IET Microwaves, Antennas & Propagation, vol. 5, no. 9, pp. 1089-1096, 2011.
Yang, K., Bao, X. L., McEvoy, P., and Ammann, M. J., Pattern Reconfigurable Back-to-Back Microstrip Patch Antenna, IET Microwaves, Antennas & Propagation, vol. 10, no. 13, pp. 1390 – 1394, 2016.
Narbudowicz, A., Ammann, M. J., and Bao, X. L., Omnidirectional microstrip patch antenna with reconfigurable pattern and polarisation, IET Microwaves, Antennas & Propagation, vol. 8, no. 11, pp. 872-877, 2014.
Narbudowicz, A., Bao, X. L., and Ammann, M. J., Omnidirectional Circularly-Polarised Microstrip Patch Antenna, Electronics Letters, vol. 48, no. 11, pp. 614-615, 2012.
Narbudowicz, A., Bao, X. L., and Ammann, M. J., Omnidirectional circularly polarized antennas – a small antenna perspective, Forum for Electromagnetic Research Methods and Application Technologies (FERMAT), vol. 10, pp. 1-6, 2015.
Bao, X. L., Ruvio, G., Ammann, M. J., and John, M., A Novel GPS Patch Antenna on a Fractal Hi-Impedance Surface Substrate, IEEE Antennas and Wireless Propagation Letters, vol. 5, no. 1, pp. 323-326, 2006.
Bao, X. L., Li, Z. F., and Sun, X. W., A New FDTD Scheme Analysis of the Characteristics of the Magnetic-Anisotropic EBG Structure, International Journal of RF and Microwave Computed-Aided Engineering, vol. 15, no. 3, pp. 317-324, 2005.
Bao, X. L. and Ammann, M. J., Monofilar Spiral Slot Antenna for Dual-Frequency Dual-Sense Circular Polarization, IEEE Transactions on Antennas & Propagation, vol. 59, no. 8, pp. 3061-3065, 2011.
Bao, X. L., Ammann, M. J., and McEvoy, P., Microstrip-fed Wideband Circularly Polarized Printed Antenna, IEEE Transactions on Antennas & Propagation, vol. 58, no. 10, pp. 3150-3156, 2010.
Bao, X. L. and Ammann, M. J., Microstrip-Fed Dual-Frequency Annular-Slot Antenna Loaded by Split-Ring Slot, IET Microwaves, Antennas & Propagation, vol. 3, no. 5, pp. 757-764, 2009.
Bao, X. L., Ruvio, G., and Ammann, M. J., Low-Profile Dual-Frequency GPS Patch Antenna Enhanced with Dual-Band EBG Structure, Microwave and Optical Technology Letters, vol. 49, no. 11, pp. 2630-2634, 2007.
Bao, X. L. and Ammann, M. J., Investigation on UWB Printed Monopole Antenna with Rectangular Slitted Groundplane, Microwave and Optical Technology Letters, vol. 49, no. 7, pp. 1585-1587, 2007.
Bao, X. L. and Zhang, W. X., A Hybrid GMT/PO Method For Calculating the NDC of the Irregular Edge of a Semi-Infinite Circular Cylinder, Microwave and Optical Technology Letters, vol. 31, no. 2, pp. 108-110, 2001.
Bao, X. L. and Zhang, W. X., A Hybrid GMT-PO Method for Calculating the NDC of the Irregular Edge of a Semi-Infinite Cone, International Journal of Infrared and Millimeter Waves, vol. 22, no. 8, pp. 1259-1265, 2001.
Bao, X. L., Li, Z. F., and Sun, X. W., FDTD Analysis of Dispersion Characteristics of 2-D Dielectric Photonic Crystal Described By Effective Permittivity in Grid, Journal of Shanghai Jiaotong University, 2004.
Yang, K., Hoang, M. Ha, Bao, X. L., McEvoy, P., and Ammann, M. J., A Dual-Stub Ka-Band Vivaldi Antenna with Integrated Bandpass Filter, IET Microwaves, Antennas & Propagation, vol. 12, no. 5, pp. 668–671, 2018.

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