1. Matthaei, G., L. Young, and E. M. T. Jones, Microwave Filters, Impedance-matching Networks, and Coupling Structures, Artech House, 1980.
2. Huang, S. Y. and Y. H. Lee, "Development of Ultra-Wideband (UWB) filters," General Assembly of the International Union of Radio Science , Chicago, Illinois, USA, August 7-16, 2008.
3. Zhu, L., S. Sun, and W. Menzel, "Ultra-Wideband (UWB) bandpass filters using multiple-mode resonator," IEEE Microwave and Wireless Components Letter, Vol. 15, No. 11, 796-798, November 2005.
4. Li, R. and L. Zhu, "Compact UWB bandpass filter using stub-loaded multiple-mode resonator," IEEE Microwave and Wireless Components Letters, Vol. 17, No. 1, 40-42, January 2007.
doi:10.1109/LMWC.2006.887251
5. Yao, B., Y. Zhou, Q. Cao, and Y. Chen, "Compact UWB bandpass filter with improved upper-stopband performance ," IEEE Microwave and Wireless Components Letters, Vol. 19, No. 1, 27-29, January 2009.
doi:10.1109/LMWC.2008.2008558
6. Cai, P., Z. Ma, X. Guan, Y. Kobayashi, T. Anada, and G. Hagiwara, "A compact UWB bandpass filter using two section open-circuited stubs to realize transmission zeros ," Proc. of Asia-Pacific Microwave Conference, 3356-3359, Suzhou, China, December 4-7, 2005.
7. Hsu, C. L., F. C. Hsu, and J. T. Kuo, "Microstrip bandpass filters for Ultra-Wideband (UWB) wireless communications," Proc. of International Microwave Symposium, 679-682, Long Beach, CA, USA, June 15-17, 2005.
8. Chen, N. W. and K. Z. Fang, "An ultra-broadband coplanar-waveguide bandpass filter with skirt selectivity," IEEE Microwave and Wireless Components Letters, Vol. 17, No. 2, 124-126, February 2007.
doi:10.1109/LMWC.2006.890337
9. Wang, H., L. Zhu, and W. Menzel, "Ultra-wideband bandpass filter with hybrid microstrip/CPW structure," IEEE Microwave and Wireless Components Letters, Vol. 15, No. 12, 844-846, December 2005.
doi:10.1109/LMWC.2005.860016
10. Sanchez-Soriano, M. A., E. Bronchalo, and G. Torregrosa-Penalva, "Compact UWB bandpass filter on signal interference technique," IEEE Microwave and Wireless Components Letters, Vol. 19, No. 11, 692-694, November 2009.
doi:10.1109/LMWC.2009.2032001
11. Ma, Z., C. P. Chen, and T. Anada, "New progress in the devel-opment of compact high-performance microwave Ultra-Wideband (UWB) filters," Proc. of IEEE International Symposium on Radio-Frequency Integration Technology, 355-360, Singapore, December 9-11, 2009.
12. Duroc, Y., I. Kharrat, and D. Kaddour, "Time domain design for UWB filters," Microwave and Optical Technology Letters, Vol. 53, No. 5, 1006-1011, May 2011.
doi:10.1002/mop.25921
13. Hsue, C. W. and T. W. Pan, "Reconstruction of nonuniform transmission lines from time-domain reflectometry," IEEE Transactions on Microwave Theory and Techniques, Vol. 45, No. 1, 32-38, January 1997.
doi:10.1109/22.552029
14. Pan, T. W. and C. W. Hsue, "Modified transmission and reflection coefficients of nonuniform transmission lines and their applications," IEEE Transactions on Microwave Theory and Techniques, Vol. 46, No. 12, 2092-2097, December 1998.
doi:10.1109/22.739287
15. Roy, M. L., A. Pérennec, S. Toutain, and L. C. Calvez, "The continuously varying transmission-line technique --- Application to filter design," IEEE Transactions on Microwave Theory and Techniques, Vol. 47, No. 9, 1680-1687, September 1999.
doi:10.1109/22.788609
16. Nakayama, M., H. Deguchi, M. Tsuji, and H. Shigesawa, "Design of microstrip-line bandpass filter based on reflected characteristics in time domain," Electronics and Communications in Japan, Part 2, Vol. 89, No. 3, 1-9, March 2006.
17. Pan, T. W., C. W. Hsue, and J. F. Huang, "Time-domain reflectometry using arbitrary incident waveforms," IEEE Transactions on Microwave Theory and Techniques, Vol. 50, No. 11, 2558-2263.
18. Isydorczyk, J., "Comments on time-domain reflectometry using arbitrary incident waveforms ," IEEE Transactions on Microwave Theory and Techniques, Vol. 51, No. 4, 1296-1297, April 2003.
doi:10.1109/TMTT.2003.809636
19. Pozar, D. M., Microwave Engineering, 3rd Ed., Wiley, 2005.