Publications

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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 Zhang, W. X., “Study of the EM Wave Propagation Characteristics In 2-D Crystal PBG Structure By Using FDTD Method”, in URSI XXVIIth General Assembly, Maastricht, The Netherlands, 2002, vol. BP, pp. 112-115.

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. and Ammann, M. J., “Differentially-fed Microstrip Patch Antenna for Omni-directional GPS Application”, in LAPC - Loughborough Antennas & Propagation Conference, Loughborough, UK, 2013, pp. 18-21.

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 Zhang, W. X., “Analysis of Dispersion Characteristics of 2-D Dielectric PBG Structure By Using Multi-Resolution Time-Domain Method”, Journal of Southeast University, vol. 33, pp. 243-247, 2003.

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. 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., “Compact Annular-Ring Embedded Circular Patch Antenna with a Cross-Slot Ground Plane for Circular Polarization”, Electronics Letters, vol. 42, no. 4, pp. 192-193, 2006.

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., “An Approximate Expression of the Effective Permittivity In the Inhomogeneous Difference Unit Grid”, Journal of Applied Sciences, 2004.

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. and Ammann, M. J., “Comparison of Several Novel Annular-Ring Microstrip Patch Antennas for Circular Polarization”, Journal of Electromagnetic Waves & Applications, vol. 20, no. 11, pp. 1427-1438, 2006.

Bao, X. L. and Ammann, M. J., “Dual-Frequency Dual-Sense Circularly-Polarized Slot Antenna Fed by Microstrip Line”, IEEE Transactions on Antennas & Propagation, vol. 56, no. 3, pp. 645-649, 2008.

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., 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., 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 Zhang, W. X., “Analysis on the Characteristics of Electromagnetic Wave Propagation of PBG Structure By Using FDTD Method”, Chinese Journal of Radio Science, vol. 16, pp. 120-122, 2001.

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.

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.

Bao, X. L. and Ammann, M. J., “Dual-Frequency Circularly-Polarized Patch Antenna with Compact Size and Small Frequency Ratio”, IEEE Transactions on Antennas & Propagation, vol. 55, no. 7, pp. 2104-2107, 2007.

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