1. A. Shidfar and M. A. Hosseini, “Application of potentioal theory in biharmonic analysis”, Potential Theory, ed. By M. Kishi, Walter de Gruyter & Co., Berlin. New York, 1991.

2. M. Khalaj Amirhosseini and A. Cheldavi, “Optimum and wideband design of G-S-G interconnects”, Proceedings of the IASTED international Conference Communication Systems and Networks, pp. 310-312, Marbella, Spain, 1-3 September 2004.

3. A. Cheldavi, D. Ansari and M. Khalaj Amirhosseini, “Circulant symmetric multi-conductor microstrip line exposed to electromagnetic field”, Proceedings of the IASTED international Conference Communication Systems and Networks, pp. 313-316, Marbella, Spain, 1-3 September 2004.

4. M. Khalaj Amirhosseini and A. Cheldavi, “Wideband and efficient interconnects using multi-segmented grounded and opened lines”, Proceedings of 34^th European Microwave Conference, pp. 657-660, Amsterdam, Netherland, 11-15 October 2004.

5. M. Gholam-Tamimi and M. Khalaj-Amirhosseini, “Conical coupled stripline transmission lines”, IEEE Symp. Mic. Ant. Prop. EMC (MAPE 2005), pp. 1084-1087, Beijing, China, 8-12 August 2005.

6. A. Cheldavi, M. Khalaj-Amirhosseini and S. Abbasi, “Coplanar transmission line exposed to electromagnetic field”, IEEE Symp. Mic. Ant. Prop. EMC (MAPE 2005), pp. 1092-1095, Beijing, China, 8-12 August 2005.

7. H. Ghorbaninezhad and M. Khalaj-Amirhosseini, “Optimum design of S-G-S and S-O-S interconnects using least mean square method”, IEEE Symp. Mic. Ant. Prop. EMC (MAPE 2005), pp. 1179-1182, Beijing, China, 8-12 August 2005.

8. M. Khalaj-Amirhosseini and A. Cheldavi, “Two-Dimensional time domain analysis of microstrip lines using RCMS model”, IEEE Symp. Mic. Ant. Prop. EMC (MAPE 2005), pp. 1252-1254, Beijing, China, 8-12 August 2005.

9. R. Saeidi, H. R. Sadegh-Mohammadi and M. Khalaj-Amirhosseini, “Efficient GMM-UBM system in text independent speaker verification using structural gaussian mixture models”, Int. Symp. Telecommunications (IST 2005), vol. 1, pp. 39-44, Shiraz, Iran, 10-12 September 2005.

10. R. Saeidi, H. R. Sadegh-Mohammadi and M. Khalaj-Amirhosseini, “Study of model parameters effects in adapted gaussian mixture models based text independent speaker verification”, Int. Symp. Telecommunications (IST 2005), vol. 1, pp. 387-392, Shiraz, Iran, 10-12 September 2005.

11. S. M. J. Razavi and M. Khalaj-Amirhosseini, “Using double-layers walls for shielded enclosures”, Asia-Pacific Microwave Conf. (APMC 2005), Vol. 2, DOI: 10.1109/APMC.2005.1606542, Suzhou, China, 4-7 December 2005.

12. A. Cheldavi and M. Khalaj-Amirhosseini, “An explicit form for green’s function of multi-layer structures”, Asia-Pacific Microwave Conf. (APMC 2005), Vol. 2, DOI: 10.1109/APMC.2005.1606421, Suzhou, China, 4-7 December 2005.

13. M. Khalaj-Amirhosseini and H. Ghorbaninezhad, “Efficient and wideband S-G-S type strip-line interconnects”, Asia-Pacific Microwave Conf. (APMC 2005), Vol. 2, DOI: 10.1109/APMC.2005.1606543, Suzhou, China, 4-7 December 2005.

14. M. Khalaj-Amirhosseini, “Symbolic analysis of homogeneous interconnects”, International Conference on Information and Communication Technologies: from Theory to Applications (ICTTA 2006), pp. 2177-2179, Damascus, Syria, 24-28 April 2006.

15. M. Khalaj-Amirhosseini, “Analysis of longitudinally inhomogeneous waveguides using finite difference method”, International Conference on Information and Communication Technologies: from Theory to Applications (ICTTA 2006), pp. 2187-2189, Damascus, Syria, 24-28 April 2006.

16. R. Saeidi, H. R. Sadegh-Mohammadi and M. Khalaj-Amirhosseini, “An efficient GMM classification post-processing method for structural Gaussian mixture model based speaker verification”, IEEE Int. Conf. On Acoustics, Speech and Signal Processing (ICASSP 2006), vol. 1, pp. I-909-912, Toulouse, France, 14-19 May 2006.

17. S.M.J. Razavi and M. Khalaj-Amirhosseini, “A complete transmission line model for analysis of shielded enclosures with several apertures” Iranian Conf. On Electrical Engineering (ICEE 2006), Tehran, Iran, 16-18 May 2006.

18. M. Moradian, M. Khalaj-Amirhosseini and M. Tayarani, “Analysis of Nonuniform Transmission Lines Through Analysis of Their Periodic Model”, International Symposium on Antennas, Propagation and EM Theory (ISAPE 2006), DOI: 10.1109/ISAPE.2006.353240, GuiLin, China, 26-29 October 2006.

19. M. Khalaj-Amirhosseini, “Microwave Filters using Waveguides Filled by Multi-Layer Dielectric”, International Symposium on Antennas, Propagation and EM Theory (ISAPE 2006), DOI: 10.1109/ISAPE.2006.353299, GuiLin, China, 26-29 October 2006.

20. M. Khalaj-Amirhosseini, “Design of Efficient Nonuniform Microstrip Couplers”, International Symposium on Antennas, Propagation and EM Theory (ISAPE 2006), DOI: 10.1109/ISAPE.2006.353300, GuiLin, China, 26-29 October 2006.

21. M. Khalaj-Amirhosseini and A. Cheldavi, “ Analytic Solution for the Problem of Excited Coupled Exponential Transmission Lines ”, International Symposium on Antennas and Propagation (ISAP 2006), pp. ??-??, Orchard, Singapore, 1-4 November 2006.

22. M. Khalaj-Amirhosseini, “ Analysis of Coupled Nonuniform Transmission Lines Through Analysis of Uncoupled Ones ”, International Symposium on Antennas and Propagation (ISAP 2006), pp. ??-??, Orchard, Singapore, 1-4 November 2006.

23. M. Khalaj-Amirhosseini, “ Analysis of Nonuniform Transmission Lines Through Analysis of Their Periodic Model ”, Science of Electronics, Technologies of Information and Telecommunications (SETIT 2007), pp. ??-??, Hammamet, Tunisia, 25-29 March 2007.

24. M. Khalaj-Amirhosseini, “Analysis of Coupled or Single Nonuniform Transmission Lines Using the Equivalent Sources Method”, IEEE Symp. Mic. Ant. Prop. EMC (MAPE 2007), pp. 1247-1250, Hangzhou, China, 14-17 August 2007.

25. M. Khalaj-Amirhosseini, “ Wideband Complex Impedance Matching Using Unequal-Length Multi-Section Transformers ”, International Symposium on Antennas and Propagation (ISAP 2007), pp. ??-??, Niigata, Japan, 20-24 August 2007.

26. M. Khalaj-Amirhosseini, “Optimum Design of Nonuniform Microstrip Couplers”, Inte rnational Symposium on Antennas and Propagation (ISAP 2007), pp. ??-??, Niigata, Japan, 20-24 August 2007.

27. M. Khalaj-Amirhosseini, “Analysis of Nonuniform Transmission Lines Using the Method of Moments”, Asia-Pacific Microwave Conf. (APMC 2007), DOI: 10.1109/APMC.2007.4554636, Bangkok, Thailand, 11-14 December 2007.

28. M. Khalaj-Amirhosseini, “Analysis of Longitudinally Inhomogeneous Waveguides Using Equivalent Sources Method”, Asia-Pacific Microwave Conf. (APMC 2007), DOI: 10.1109/APMC.2007.4554878, Bangkok, Thailand, 11-14 December 2007.

29. M. Khalaj-Amirhosseini, “Optimum Design of Nonuniform Microstrip Interconnects”, Int. Conf. Microwaves and Optoelectronics (ICMO 2007), pp. ??-??, Aurangabad, India, 17-20 December 2007.

30. M. Khalaj-Amirhosseini, “To Analyze The Nonuniform Transmission Lines By Cascading Short Linear Sections”, International Conference on Information and Communication Technologies: from Theory to Applications (ICTTA 2008), DOI: 10.1109/ICTTA.2008.4530269, Damascus, Syria, 7-11 April 2008.

31. M. Moradian and M. Khalaj-Amirhosseini, “First spurious suppression in microstrip parallel-coupled line filters using compensated capacitors and stubs”, International Conference on Information and Communication Technologies: from Theory to Applications (ICTTA 2008), DOI: 10.1109/ICTTA.2008.4530264, Damascus, Syria, 7-11 April 2008.

32. F. Sadegi-kia and M. Khalaj-Amirhosseini, “Three Reduced-Size Ratrace Couplers”, International Conference on Microwave and Millimeter Wave Technology (ICMMT 2008), Vol. 1, pp. 36-38, DOI: 10.1109/ICMMT.2008.4540293, Nanjing, China, 21-24 April 2008.

33. N. Hendijani, M. Khalaj-Amirhoseini, V. K. Sharghi, and H. Hadidian-Moghadam, “Design, simulation, and fabrication of tapered microstrip filters by applying the method of small reflections”, Internatioal Symposium on Telecommunications (IST 2008), pp. 133-137, Tehran, Iran, 27-28 August 2008.

34. M. Khalaj-Amirhosseini, “Analysis of Longitudinally Inhomogeneous Waveguides By Cascading Short Linear Sections”, International S ymposium on Antennas and Propagation (ISAP 2008), pp. ??-??, Taipei, Taiwan, 27-30 October 2008.

35. M. Khalaj-Amirhosseini and G. Rezai-Rad, “Circular Symmetric Coupled Microstrip Transmission Lines”, International RF and Microwave Conference (RFM 2008), pp. 52-56, Kuala-Lumpur, Malaysia, 2-4 December 2008.

36. M. Khalaj-Amirhosseini, “An Iteration Method To Analyze Nonuniform Transmission Lines”, International RF and Microwave Conference (RFM 2008), pp. 57-61, Kuala-Lumpur, Malaysia, 2-4 December 2008.

37. M. Khalaj-Amirhosseini, “Investigating Shielded Enclosures With Double-Layer Walls”, International RF and Microwave Conference (RFM 2008), pp. 62-66, Kuala Lumpur, Malaysia, 2-4 December 2008.

38. S. M. J. Razavi and M. Khalaj-Amirhosseini, “The Use of Ray-tracing and Genetic Algorithms to Optimize a Tapered Anechoic Chamber”, Progress In Electromagnetics Research Symposium (PIERS 2009), pp. 763-767, Beijing, China, 23-27 March, 2009.

39. M. Moradian and M. Khalaj-Amirhosseini, “Centerline Longitudinal Shunt Slot Excitation by Parabolic Shaped Single Ridge Waveguide”, Progress In Electromagnetics Research Symposium (PIERS 2009), pp. 1442-1445, Beijing, China, 23-27 March, 2009.

40. M. Khalaj-Amirhosseini, “Wideband Differential Phase Shifters Using Waveguides Filled by Inhomogeneous Dielectrics”, Progress In Electromagnetics Research Symposium (PIERS 2009), pp. 1513-1516, Beijing, China, 23-27 March, 2009.

41. M. Khalaj-Amirhosseini, “An Approximated Closed Form Solution For Nonuniform Transmission Lines”, Asia-Pacific Microwave Conf. (APMC 2009), pp. 1310-1314, Singapore, 7-10 December 2009.

42. F. Hosseini, M. Khalaj-Amirhosseini and M. Yazdani, “Novel Compact Branch-Line Coupler Using Non-Uniform Transmission line”, Asia-Pacific Microwave Conf. (APMC 2009), pp. 1577-1580, Singapore, 7-10 December 2009.

43. M. Khalaj-Amirhosseini and H. Ghorbaninejad-Foumani, “Arbitrary Microwave Filters Using Waveguides Filled by Dielectric and Magnetic Layers”, Progress In Electromagnetics Research Symposium (PIERS 2010), pp. 548-552, Xi'an, China, 22-26 March, 2010.

44. M. Khalaj-Amirhosseini and H. Ghorbaninejad-Foumani, “Waveguide Bandpass Filters Utilizing Only Dielectric Pieces”, Progress In Electromagnetics Research Symposium (PIERS 2010), pp. 553-557, Xi'an, China, 22-26 March, 2010.

45. M. Khalaj-Amirhosseini, “Wide-Angle Transmision Wave Polarizers Using Dielectric Layers”, Progress In Electromagnetics Research Symposium (PIERS 2010), pp. 857-861, Xi'an, China, 22-26 March, 2010.

46. M. Khalaj-Amirhosseini, “Analysis of Coupled Nonuniform Transmission Lines As An Initial Value Problem”, Progress In Electromagnetics Research Symposium (PIERS 2010), pp. 150-153, Cambridge, USA, 5-8 July, 2010.

47. M. Yazdani, M. Khalaj-Amirhosseini and F. Hosseini, “Size Reduction and Harmonic Suppression of Narrow Bandpass Waveguide Filters Using Nonuniform Waveguides”, Progress In Electromagnetics Research Symposium (PIERS 2010), pp. 178-182, Cambridge, USA, 5-8 July, 2010.

48. M. Khalaj-Amirhosseini, “A Closed Form Solution for Longitudinally Inhomogeneous Waveguides”, Progress In Electromagnetics Research Symposium (PIERS 2010), pp. 681-685, Cambridge, USA, 5-8 July, 2010.

49. M. Moeini-Fard and M. Khalaj-Amirhoseini, “Uneven Dielectric Reflect-Array Antennas”, Internatioal Symposium on Telecommunications (IST 2010), pp. 82-86, Tehran, Iran, 4-6 December, 2010.

50. O. Hoseini Izadi and M. Khalaj-Amirhoseini, “A Novel Compensation Method for Microstrip Right-Angled Bend Discontinuity Using Defected Ground Structure”, Iranian Conf. on Electrical Engineering (ICEE 2011), pp. 1-4, Print ISBN: 978-1-4577-0730-8, Tehran, Iran, May 17-19, 2011.