Conf. Papers
1. A. Cheldavi, H. Oraizi and M. Kamarei,” Time-domain analysis of transmission lines,” Proc. 25th EuMC, pp. 794-797, Sep. 4-7, 1995, Bologna, Italy.
2. A. Cheldavi and M. Kamarei, “Time-domain analysis of broadband matching for maximum power transmission with TEM steplines,” Proc. APMC’96, pp. 1378-1383, Dec. 17-20, 1996, New Delhi, India.
3. A.cheldavi,” Time-domain simulation of TEM steplines,” Proc. APMC’96, pp.1384-1387, Dec. 17-20, 1996, New Delhi, India.
4. A. Cheldavi, “An exact solution for wave equation in lossless TEM transmission lines with time-dependent media and nonlinear time-dependent load (using time-domain analysis),” Proc. ISAP’96.pp. 445-448, Sep. 24-27, 1996, Chiba, Japan.
5. A. Cheldavi, “Time-domain analysis of TEM transmission lines with random media,” Proc. ISEF’97, Sep. 25-27, 1997,Gdansk, Poland.
6. A. Cheldavi, “Propagation of transients in tapered transmission lines with dispersive dielectric media and time-dependent load using FDTD method,” Proc. IEEE AP-s 1997, pp. 392-395, July 13-18, 1997, Montreal, Canada.
7. A. Cheldavi and M. Kamarei, “Practical optimum design for a single-layer electromagnetic wave absorber at C and X-band using genetic algorithm,” Proc. IEEE AP-s 1997, pp. 1708-1711, July 13-18, 1997, Montreal, Canada.
8. A. Cheldavi and M. Kamarei, “Time-domain (transient) analysis of capacitive Jaumann absorbers,” Proc. IEEE MTT-s 1997, June 8-13, 1997, Denever, Colorado, USA.
9. A. Cheldavi, “A new method for impedance mesearment of the circuit analog sheets,” Proc. IWTS’97, May 14-16, 1997, Shah Alam, Malaysia.
10. A. Cheldavi, “Exact analysis of transmission lines with time-dependent boundary conditions,” Proc. IWTS’98, May 11-15, 1998, Malaysia.
11. A. Cheldavi, “Optimum design of radar pulses for stealth targets,” Proc. IEEE AP-s 1998, June 21-26, 1998, Atlanta, USA.
12. A. Cheldavi, “Measurment of complex permittivity and permeability of dielectric materials using a coaxial transmission line with sensitivity and error analysis,” Proc. PIERS’98, July 13-17, 1998, Nantes, France.
13. A. Cheldavi, M. Kamarei and S. Safavi Naeini, “Exact time-domain analysis of coupled transmission lines with general loads (application to crosstalk in high speed circuits),” Proc. ANTEM’98, Torento, Canada.
14. A. Cheldavi, “Exact analysis of externally excited coupled linear tapered nonuniform transmission lines,” Proc. EMC’99, May 17-21, 1999, Tokyo, Japan.
15. A. Cheldavi, “Exact analysis of coupled nonuniform transmission lines with power-law characteristic impedance functions,” Proc. EMC’99, May 17-21, 1999, Tokyo, Japan.
16. A. Cheldavi, S. Safavi Naeini and M. Kamarei, “Time-domain analysis of nonuniform coupled planar lines in VLSI circuits,” Proc. PACRIM’99, Aug. 22-24, 1999, Victoria, BC, Canada.
17. A. Cheldavi, A. Foroozesh, and F. Hodjat, “Analysis of frequency selective surface using entire domain method,” Proc. of IWTS’99, Shah Alam, Malysia, May 1999.
18. A. Cheldavi, A. Foroozesh, “Improved measured equation of invariance,” Proc. of IWTS’99, Shah Alam, Malysia, May 1999.
19. A. Cheldavi and G. Rezai Rad, “ Discerete time-domain analysis of nonuniform lossless coupled transmission lines,” Proc. of ISAPE 2000, Aug. 16-18, 2000, Beijing, China.
20. A. Cheldavi and G. Rezai Rad, “ The response of rotative two wire transmission line excited by external electromagnetic field,” Proc. of ISAPE 2000, Aug. 16-18, 2000, Beijing, China.
21. A. Cheldavi and G. Rezai Rad, “ Time-domain analysis of coupled Hermite transmission lines,” Proc. of ISAPE 2000, Aug. 16-18, 2000, Beijing, China.
22. A. Cheldavi, M. Kamarei, and S. Safavi-Naeini, “Transient analysis of coupled transmission lines with power law characteristic impedance,” presented at 4th European Sym. on EMC, Brugge, Belgium, Sep. 11-15, 2000.
23. A Cheldavi, S. Safavi-naeini, and M. Kamarei, “Nonuniform coupled VLSI interconnect characterization using genetic algorithm,” presented at International Conference on Microelectronic ICM’2000, Tehran, Iran, Oct. 31-Nov. 2, 2000.
24. Alireza Foroozesh, Ahmad Cheldavi, and Farokh Hodjat, “Design of Jaumann absorbers using adaptive genetic algorithm,” Proc. of ISAP 2000, Fukuoka, Japan, Aug. 21-25, 2000.
25. A. Cheldavi. “Analysis of Radiation from Nonuniform Transmission Lines,” Proc. of 2001 IEEE EMC Symposium, Montreal, Canada, Aug. 13-17, 2001.
26 Cheldavi, A “ Exact analysis of coupled nonuniform transmission lines with exponential power law characteristic impedance “ Microwave Theory and Techniques, IEEE Transactions on Volume: 49 , Issue: 1 DOI: 10.1109/22.900008 Publication Year: 2001 , Page(s): 197 - 199
27. Cheldavi , A. ; Safavi-Naeini, S. ; Rezai-Rad, G. " Field coupling to nonuniform microstrip transmission lines “ Electromagnetic Compatibility, 2001. EMC. 2001 IEEE International Symposium on Volume: 1 DOI: 10.1109/ISEMC.2001.950721 Publication Year: 2001 , Page(s): 643 - 648 vol.1
28. Ahmad Cheldavi, D. Ansari, and Mohamad Khalaj Amir Hoseini,” Circulant Symmetric Multi Conductor Microstrip Line Exposed to EM Field”, Proc. IASTED Int. Conf. CSN, Sep. 2004, pp. 313-316, Marbella, Spain.
29. Mohamad Khalaj Amir Hoseini and Ahmad Cheldavi,” Optimum and Wideband Design of G-S-G Interconnect,”, Proc. IASTED Int. Conf. CSN, Sep. 2004, pp. 310-312, Marbella, Spain.
30. Mohamad Khalaj Amir Hoseini and Ahmad Cheldavi, " Wideband and Efficient Interconnect Using Multi-Segmented Grounded and Opened Lines", Proc. Of 34-th European Microwave Conference , pp. 657-660, Amesterdam, 2004.
31. R. Pazoki, and A. Cheldavi, “Self-Metron MEI Technique"," 2005 IEEE AP-S Int. Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Washington, DC, USA, July 3-8, 2005.
32. Ahmad Cheldavi, Mohamad Khalaj Amir Hoseini, Shima Abbasi” Coplanar Transmission Line Exposed to Electromagnetic Field”, Proc. 2005 IEEE International Symposium on Microwave, Antenna, Propagatio and EMC Technologies for Wireless Communications, Sep. 2005, pp. 1092-1095, Beijing, China.
33. Mohamad Khalaj Amir Hoseini and Ahmad Cheldavi,” Two-Dimensional Time Domain Analysis of Microstrip Lines Using RCMS Model”, Proc. 2005 IEEE International Symposium on Microwave, Antenna, Propagatio and EMC Technologies for Wireless Communications, Sep. 2005, pp. 1252-1254, Beijing, China.
34. Ahmad Cheldavi, and Maryam Hashemi Nasab,” Coupling Model for the Two Orthogonal Microstrip Lines in Two Layer PCB Board (Quasi-TEM Approach)”, Proc. 2005 IEEE International Symposium on Microwave, Antenna, Propagatio and EMC Technologies for Wireless Communications, Sep. 2005, pp. 1096-1099, Beijing, China.
35. A. Cheldavi, and M. Khalaj-AmirHosseini, “An Explicit Form for Green’s Function of Multi-Layer Structures”, Proceedings of APMC2005, China.
36. Cheldavi , A. ; Khalaj-Amirhosseini, M. ; Abbasi, S. " Coplanar transmission line exposed to electromagnetic field “ Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications, 2005. MAPE 2005. IEEE International Symposium on Volume: 2 DOI: 10.1109/MAPE.2005.1618110 Publication Year: 2005 , Page(s): 1092 - 1095 Vol. 2
37.Cheldavi , A Ghaemi H. Applying a novel method to the analysis of asymmetrical transverse slit in microstrip line November 2005 ICECSཁ: Proceedings of the 4th WSEAS international conference on Electronics, control and signal processing Publisher: World Scientific and Engineering Academy and Society (WSEAS)
38. Payam Nayeri, and Ahmad Cheldavi “A Novel Method For Analysis Of V-Transmission Lines” Proc. Of ANTEM/URSI 2006, Canada.
39. Hamid Khodabakhshi, Ahmad Cheldavi, “Analytic Solution for the Problem of Excited Coupled Exponential Transmission Lines” Proc. Of ISAP, Japan.
40. Ahmad Cheldavi, “EM Field Coupling to Coplanar Transmission Lines” Proc. Of Asia-Pacific Microwave Conf.(APMC2006), India.
41. P. Nayeri, and A. Cheldavi, " V-Transmission Lines Frequency Operation Band" Proceedings of ACES 2007, Verona, Italy
42. Ahmad Cheldavi, “Accurate Analysis OF Transverse Slit In Microstrip in microstrip transmission lines” Proc. Of ICTTA, 2007, Syria.
43. Hamid Khodabakhshi, Ahmad Cheldavi, “ EM Field Coupling to Microstrip Lines with Nonuniformity in Their Width Using Rigorously Coupled Multiconductor Transmission Lines” Proc. Of PIERS 2007, Czech.
44. Ahmad Cheldavi, " EM Coupling to CoplanarTransmission Lines", Eleco, 2007
45.Hamid Khodabakhshi, and Ahmad Cheldavi, “Method of Forces: A Novel Approach for Finding Current Distributions on Single and Coupled Microstrip Lines” Proc. Of EMC Zurich, Singapore, 2008.
46. Hamid Khodabakhshi, Ahmad Cheldavi, “ Quasi-TEM Approach of Two Layer Circular Symmetric Coupled Microstrip Line ” Proc. Of EuMA 2008, Netherand.pp 203-206
47. Hamid Khodabakhshi, Ahmad Cheldavi, “Response of non-uniform Microstrip Lines to an EM Field Using Rigorously Coupled Multi-Conductor strip Model.” SPI proceedings,2008.
48. Hamid Khodabakhshi, Ahmad Cheldavi, “EM Field Coupling to Microstrip Lines Using Rigorously Coupled Multi Conductor Strips,” Proceedings of Asia-pacific Symposium on Electromagnetic Compatibility & 19th International Zurich Symposium on Electromagnetic Compatibility, pp 859-862, 19-22 May 2008, singapore.
49. Mohammad Kazerooni, Ahmad Cheldavi, Mahmood Kamarei “A New Bandstop Cascaded Defected Microstrip Structure (CDMS) Filter with 10GHz Symmetrical Bandwidth
” PIERS 2009, Moscow.
50. Mohammad Kazerooni, Ahmad Cheldavi, Mahmood Kamarei “A New Bandpass Defected Microstrip Structure (DMS) Filter for Planar Circuits” PIERS 2009, Moscow.
51. Mohammad Kazerooni, , Novid Pour Ramazan Ganji, Ahmad Cheldavi, Mahmood Kamarei “A New Bandpass Defected Microstrip Structure (DMS)” PIERS 2009, Moscow.
52. Mohammad Kazerooni, Ahmad Cheldavi, Mahmood Kamarei, "Behaviour Study of Simultaneously Defected Microstrip and Ground Structure," PIERS Beijing 2009
53. Mohammad Kazerooni, Ahmad Cheldavi, Mahmood Kamarei, "Design and Fabrication of Wide Band Printed Multi-Ring Fractal Antenne," PIERS Beijing 2009
54. AhmadCheldavi," Comparing theperformance of defected microstrip structure and defected groundstructure", 17th ICEE, 2009.
55. Ahmad Cheldavi,"A novel bandpass defectedmicrostrip structure filter for planar circuits", PIERS, 2009, Moscow.
56. Ahmad Cheldavi, Kazerooni, M. ; Salari, M.A."Analysis and modelling of novelbandstop and bandpass millimeter integrated technologies", 1st conferenceon millimeter wave and terahertz integrated technologies, 2009.
57. Ahmad Cheldavi, "Interaction Between a Six-layered Spherical Head", Asia-PacificInternational Symposium on Electromagnetic Compatibility, April 12 - 16, 2010,Beijing, China.
58. Bahrami, S. ; Cheldavi , A. " Investigation of novel microstrip antennas for an implantable retinal prosthesis “ Antennas and Propagation (EuCAP), 2010 Proceedings of the Fourth European Conference on Publication Year: 2010 , Page(s): 1 - 4
59. Fallahzadeh, S. ; Molaei, A. ; Cheldavi , A. Microstrip Wilkinson power divider with multi-spurious suppression Antennas and Propagation (MECAP), 2010 IEEE Middle East Conference on DOI: 10.1109/MECAP.2010.5724208 Publication ,2010, Page(s):1 - 3
60. Kazerooni, M. ; Salari, M.A. ; Cheldavi , A. ; Kamarei, M. " A very compact filter using defected microstrip structure with Island” Electrical Engineering (ICEE), 2011 19th Iranian Conference on Publication Year: 2011 , Page(s): 1 - 4 61.
61. Salari, M. ; Cheldavi , A. " Analysis and Modeling of Externally Excited Multilayer Orthogonal Microstrip Lines “ Electromagnetic Compatibility, IEEE Transactions on Volume: 53 , Issue: 4 DOI: 10.1109/TEMC.2011.2164855 Publication Year: 2011 , Page(s): 1094 - 1097
62. Ahmad Cheldavi, "Ultrawideband Time Reversal Imaging Using Frequency Domain MUSIC Algorithm", ICEME 2012,Iran, IUST