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Bao, X. L. and Ammann, M. J.,
“A Printed Dipole Antenna For Circular Polarization”, in
European Conference on Antennas and Propagation - EuCAP, Berlin, Germany, 2009, pp. 2367-2370.
Bao, X. L. and Zhang, W. X.,
“The Dispersion Characteristics Of PBG With Complex Medium By Using Non-Yee Grid Higher Order FDTD Method”, in
IEEE AP-S International Symposium on Antennas and Propagation, Columbus, Ohio, USA, 2003, vol. 2, pp. 1128-1131.
Bao, X. L. and Ammann, M. J.,
“Design of Compact Annular-Ring Patch Antennas for Circular Polarization”, in
China Ireland International Conference on Information & Communication Technologies, Maynooth, Ireland, 2009, pp. 11-15.
Bao, X. L. and Ammann, M. J.,
“Printed Band-Reject UWB Antenna with H-Shaped Slot”, in
IEEE International Workshop on Antenna Technology: Small and Smart Antennas, Metamaterials and Applications, Cambridge, UK, 2007, pp. 319-322.
Bao, X. L., Ruvio, G., and Ammann, M. J.,
“Directional Dual-Band Slot Antenna with Dual-Bandgap High-Impedance-Surface Reflector”,
Progress In Electromagnetics Research, vol. C, no. 9, pp. 1-11, 2009.
Bao, X. L. and Ammann, M. J.,
“Design of Compact Multi-Band EBG Structures”, in
European Conference on Antennas and Propagation - EuCAP, Edinburgh, United Kingdom, 2007, p. TuPA.042.
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., 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.,
“The Simple Derivation For the Effective Permittivities Formulae In the Finite Difference Grids”, in
IEEE AP-S International Symposium on Antennas and Propagation, Monterey, CA, USA, 2004, vol. 1, pp. 89- 92.
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., 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. and Ammann, M. J.,
“(Invited) Compact Spiral Loaded Printed Monopole Antenna”, in
European Conference on Antennas and Propagation - EuCAP, Barcelona, Spain, 2010, pp. C12P2-4.
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., Zhang, W. X., and Bo, Y. M.,
“Numerical Diffraction Coefficients of the Irregular Top on a Conductive Cone a GMT/PO Approach”, in
International Symposium on Antennas, Propagation and EM Theory, Beijing, China, 2000, pp. 496 - 499.
Bao, X. L. and Ammann, M. J.,
“Dual-band GPS Patch Antenna based on Dual-band Fractal EBG Technique”, in
LAPC - Loughborough Antennas & Propagation Conference, Loughborough, UK, 2006, pp. 53-56.