Journal/Magazine Papers
2010
G. Apaydın, L. Sevgi, "The Split Step Fourier and Finite Element based Parabolic Equation Propagation Prediction Tools: Canonical Tests, Systematic Comparisons, and Calibration”,IEEE Antennas and Propagation Magazine, (Scheduled for) Vol. 52, No. 3, pp:xxx-xxx, Jun 2010
G. Apaydın, L. Sevgi, "A Novel Split-Step Parabolic Equation Package for Surface Wave Propagation Prediction along Multi-Mixed Irregular Terrain Paths”, IEEE Antennas and Propagation Magazine, (Scheduled for) Vol. 52, No. 4, pp:xxx-xxx, Aug 2010
G. Apaydın, L. Sevgi, "Numerical Investigations of and Path Loss Predictions for Surface Wave Propagation over Sea Paths Including Hilly Island Transitions”, IEEE Transactions on Antennas and Propagation, (tentatively scheduled for) April 2010
L. Sevgi, “Modeling and Simulation Strategies in High Frequency Surface Wave Radars,” TJEECS, Turkish Journal of Electrical Engineering and Computer Sciences, Special issue on HF Radars, Vol 18, No. 2, pp.xxx-xxx, Mar 2010
G. Çakır, L. Sevgi, “Radar Cross Section (RCS) Analysis of High Frequency Surface Wave Radars,” TJEECS, Turkish Journal of Electrical Engineering and Computer Sciences, Special issue on HF Radars, Vol 18, No. 2, pp.xxx-xxx, Mar 2010
G. Apaydin, L. Sevgi, “Propagation Modeling in and Path Loss Prediction Tools for High Frequency Surface Wave Radars,” TJEECS, Turkish Journal of Electrical Engineering and Computer Sciences, Special issue on HF Radars, Vol 18, No. 2, pp.xxx-xxx, Mar 2010
L. Sevgi, “Biostatistics and Epidemiology: Hypothetical Tests on Cell Phone Users”, IEEE Antennas and Propagation Magazine, Vol. 52, No. 1, pp:xxx-xxx, Feb 2010
S. Çimen, G. Çakır, L. Sevgi, “Filter Design and Mode Suppression inside a Metamaterial-Filled Rectangular Waveguides,” MOTL, Microwaves and Optical Technology Letters, 2010
Ç. Uluışık, E. Topuz and L. Sevgi, “Frequency and Time Domain Characteristics of Linearly Phased / Sequentially Excited Periodic Arrays of Dipoles”, İTÜ Journal/d, Engineering, vol. 9, no.1, pp. 143-154, February 2010.
2009
S. Çimen, G. Çakır, L. Sevgi, “Metamaterial Slabs and Realisation of All type Filters: Numerical and Analytical Investigations”, Microwave and Optical Technology Letters, Vol. 51, No 4, pp. 894-899, Apr 2009
E. Karpat, M. Çakır, L. Sevgi, “Subsurface Imaging, FDTD-based simulations, and Alternative Scan/Processing Approaches”, Microwave and Optical Technology Letters, Vol. 51, No 4, pp. 1070-1075, Apr 2009
L. Sevgi, “Electromagnetic Screening and Shielding Effectiveness Modeling”, IEEE Antennas and Propagation Magazine, Vol. 51, No. 1, pp:211-216, Feb 2009
L. Sevgi, “Hypothesis Testing and Decision Making: Constant False Alarm Rate Detection”, IEEE Antennas and Propagation Magazine, Vol. 51, No. 3, pp:218-224, Jun 2009
S. Kurtulan, L. Sevgi, “A Village House Energy Supply system: Fundamentals of Energy Conversion”, IEEE Antennas and Propagation Magazine, Vol. 51, No. 4, pp:233-237, Aug 2009
Ç. Uluışık, L. Sevgi, “A tutorial on Bessel Functions and Numerical Evaluations of Bessel Integrals,” IEEE Antennas and Propagation Magazine, Vol. 51, No. 6, pp:222-233, Dec 2009
G. Apaydın, L. Sevgi, "FEM-based Surface Wave Multi-Mixed-Path Propagator and Path Loss Predictions”, IEEE Antennas and Wireless Propagation Letters, Vol 8, pp: 1010 - 1013, 2009
L. Sevgi, "Electromagnetic Compatibility Engineering Education: Problems, Challenges and Perspectives", (Special issue on EMC) ELEKTRIK, Turkish Journal of Electrical Engineering and Computer Sciences, Vol. 17, No. 3, pp.273-278, Dec 2009
G. Çakır, M. Çakır, L. Sevgi, “FDTD-Based EMC Virtual tool for Microstrip Circuits", (special issue on EMC) ELEKTRIK, Turkish Journal of Electrical Engineering and Computer Sciences, Vol. 17, No. 3, pp.315-323, Dec 2009
2008
Ç. Uluışık, E. Topuz, L. Sevgi, "Some Characteristics of Radiation from Linearly Phased and Sequentially Excited Periodic Rectangular Dipole Arrays",IEEE Transactions on Antennas and Propagation, Vol 56, No 6, pp. 1794-1798, Jun 2008
L. Sevgi, “Guided Waves and Transverse Fields: Transverse to What?”, IEEE Antennas and Propagation Magazine, Vol. 50, No. 6, pp:221-225, Dec 2008
L. Sevgi, S. Çakır, G. Çakır, "Antenna Calibration for EMC Tests and Measurements”, IEEE Antennas and Propagation Magazine, Vol. 50, No. 3, pp.215-224, Jun 2008
Ç. Uluışık, G. Çakır, M. Çakır, L. Sevgi, "Radar Cross section (RCS) Modeling and Simulation: Part I – Definitions, Strategies, and Canonical Examples", IEEE Antennas and Propagation Magazine, Vol. 50, No.1, pp.115-126, Feb 2008
G. Çakır, M. Çakır, L. Sevgi, "Radar Cross section (RCS) Modeling and Simulation: Part II – A Novel FDTD-Based RCS Prediction Virtual Tool", IEEE Antennas and Propagation Magazine, Vol. 50, No.2, pp.81-94, Apr 2008
M. Çakır, G. Çakır, L. Sevgi, "A Two-dimensional FDTD-based Virtual Metamaterial - Wave Interaction Visualization Tool”, IEEE Antennas and Propagation Magazine, Vol. 50, No.3, pp.166-175, Jun 2008
L. Sevgi, "Guided waves and Eigenvalue Extraction from Propagation Characteristics”, IEEE Antennas and Propagation Magazine, Vol. 50, No. 2, pp.222-234, Apr 2008
L. Sevgi, "Review of Discrete Solutions of Poisson, Laplace, and Wave Equations”, IEEE Antennas and Propagation Magazine, Vol. 50, No. 1, pp.246-254, Feb 2008
L. Sevgi, "A New Electromagnetic Engineering Program and Teaching via Virtual Tools", PIER, Progress in EM Research B (EWS 2006 Special issue), Vol. 6, pp.205-224, 2008
L. Sevgi, "From Engineering Electromagnetics Towards Electromagnetic Engineering: Issues, Challenges, and Applications", Special issue dedicated to the 75th birthday of Prof. Raj Mittra, ELEKTRIK, Turkish Journal of Electrical Engineering and Computer Sciences, Vol. 16, No.1, pp.i-v, Jan 2008
F. Akleman, L. Sevgi, "Analytical and Numerical Investigations of Ring Resonators", Special issue Special issue dedicated to the 75th birthday of Prof. Raj Mittra, ELEKTRIK, Turkish Journal of Electrical Engineering and Computer Sciences, Vol. 16, No.1, pp.87-94, Jan 2008
L. Sevgi, K. Çamlıbel, C. Göknar, "Comments on Multilayer Capacitor Model of the Earth's Upper Crust", (to appear) ELEKTRIK, Turkish Journal of Electrical Engineering and Computer sciences, Vol. 16, No.3, pp. xx-xx, 2008
2007
L. Sevgi,"Groundwave Modeling and Simulation Strategies and Path Loss Prediction Virtual Tools", (Special issue on Electromagnetic Wave Propagation in Complex Environments: A Tribute to Leopold Benno Felsen) IEEE Transactions on Antennas and Propagation, Vol. 55, No.6, pp. 1591-1598, Jun 2007
L. Sevgi, "The Antenna as a Transducer: Simple Circuit and Electromagnetic models", IEEE Antennas and Propagation Magazine, Vol. 49, No. 6, pp.211-218, Dec 2007
L. Sevgi, "Synthetic Radar Signal Environment: Computer Generation of Signal, Noise, and Clutter", IEEE Antennas and Propagation Magazine, Vol. 49, No. 5, pp.192-198, Oct 2007
L. Sevgi, "Digital Multimeters and Basic Measurements", IEEE Antennas and Propagation Magazine, Vol. 49, No. 4, pp.232-237,Aug 2007
L. Sevgi, "Numerical Fourier Transforms DFT and FFT", IEEE Antennas and Propagation Magazine, Vol. 49, No. 3, pp.238-243, Jun 2007
L. Sevgi, "Innumeracy: The Meaning of the Numbers We Use", IEEE Antennas and Propagation Magazine, Vol. 49, No. 2, pp.195-190, Apr 2007
L. Sevgi, F. Akleman, L. B. Felsen,"Visualizations of Wave Dynamics in a Wedge-waveguide with non-penetrable Boundaries:Normal, Adiabatic, and Intrinsic Mode Representations", IEEE Antennas and Propagation Magazine, Vol. 49, No. 3, pp.76-94, Jun 2007
F. Akleman, L. Sevgi, "A Novel MoM- and SSPE-based Groundwave Propagation Field Strength Prediction Simulator", IEEE Antennas and Propagation Magazine, Vol. 49, No.5, pp.69-82, Oct 2007
L. Sevgi, "A Critical Review on Electromagnetic Precursors and Earthquake Prediction", ELEKTRIK, Turkish Journal of Electrical Engineering and Computer sciences, Vol. 15, No.1, pp.1-15, 2007
2006
G. Çakır, M. Çakır, L. Sevgi, “A Novel Virtual FDTD-Based Microstrip Circuit Design and Analysis Tool”, IEEE Antennas and Propagation Magazine, Vol. 48, No.6, pp.161-173, Dec 2006
L. Sevgi, "A Mixed-Path Groundwave Field Strength Prediction Virtual Tool for Digital Radio Broadcast Systems in Medium and Short Wave Bands", IEEE Antennas and Propagation Magazine, Vol. 48, No.4, pp.19-27, Aug 2006
G. Çakır, M. Çakır, L. Sevgi, "A Multipurpose FDTD-Based Two Dimensional Electromagnetic Virtual Tool", IEEE Antennas and Propagation Magazine, Vol. 48, No.4, pp.142-151, Aug 2006
S. Gündüz, G. Çakır, L. Sevgi, “A Generic Microstrip Structure for the Realization of All-type Broadband Filters” Microwave and Optical technology Letters, Vol. 48, No. 12, pp.2390-2393, Dec 2006
L. Sevgi, Ç. Uluışık, "A Matlab-based Transmission Line Virtual Tool: Finite-Difference time-Domain Reflectometer", IEEE Antennas and Propagation Magazine, Vol. 48, No 1, pp. 141-145, Feb 2006 (GUI)
L. Sevgi, G. Çakır, “A Broadband Array of Archimedean Spiral Antennas for Wireless Applications” Microwave and Optical Technology Letters, Vol. 48, No.1, pp.195-200, Jan 2006
G. Çakır, L. Sevgi, "A Design of Microstrip Electromagnetic Double-Band Bandgap (DB-EBG) Structure", Microwave and Optical Technology Letters, Vol. 48, No.7, pp.1405-1408, July 2006
L. Sevgi, Book Review: "Wireless Communications" by Andrea Goldsmith, Cambridge University Press, Cambridge, New York, 2006, IEEE Antennas and Propagation Magazine, Vol. 48, No.4, pp.102-104, Aug 2006
L. Sevgi, "Numerical Simulation Approaches for Phased Array Design", ACES Journal of Applied Computational Electromagnetic Society, Special issue on Phased Array Design, (invited tutorial), Vol. 21, No.3, pp. 206-217, Nov 2006
L. Sevgi, "Sturm-Liouville Equation: The Bridge Between Eigenvalue and Green's Function Problems", ELEKTRIK, Turkish J. of Electrical Engineering and Computer Sciences, Vol. 14, No 2, pp. 293-311, 2006
L. Sevgi, "A Numerical Millington Propagation Package for Medium and Short Wave DRM SAystems Field Strength Predictions", IEEE Broadcast Technology Society Newsletter, Vol. 14, No. 3, pp. 9-11, Fall 2006
L. Sevgi, "Transmission Line Fault Analysis Using a Matlab-based Virtual Time domain Reflectometer, IEEE EMC Newsletter, Practical Papers, pp.67-72, Fall 2006
L. Sevgi, "Earthquake Early Warnings: Prediction or Guesswork", IEEE R8 Newsletter, Vol. 9, No.1, pp. 11, Mar 2006 (www.ewh.ieee.org/reg/8/news/aticles)
L. Sevgi, "Dangereous Impression", IEEE Spectrum Online, Forum Page, April 2006 (http://www.spectrum.ieee.org/apr06/3275/2)
L. Sevgi, "Earthquake Early Warning: Prediction vs. Guess", Comment to the "Earthquake Alarm" by Tom Bleier and Friedemann Freund, IEEE Spectrum Online, Vol. 42, No.12 (INT), pp. 17-21, Dec. 2005 (www.spectrum.ieee.org.csulib.ctstateu.edu/dec05/comments/1181)
C. Alp Tunç, V. Ertürk, F. Akleman, A. Altıntaş, L. Sevgi, "Fast Integral Equation Solutions: Application to Mixed-path Terrain Profiles and comparisons with Parabolic Equation Method", Complex Computing Networks, Springer in Physics Series, Vol. 104, pp. 55-64, Jan 2006
G. Çakır, S. Gündüz, L. Sevgi, "Broadband Filter Design using the Analogy Between Wave and circuit theories", Complex Computing Networks, Springer in Physics Series, Vol. 104, pp. 141-148, Jan 2006
Ç. Uluışık, L. Sevgi, "Numerical Modeling and Simulation Studies of 2D Radiowave Propagation over non-flat Terrain and Through inhomogeneous Atmosphere", Complex Computing Networks, Springer in Physics Series, Vol. 104, pp. 45-54, Jan 2006
G. Çakır, L. Sevgi, "Design Alternatives of Spiral Antenna Arrays for Wireless Applications", Complex Computing Networks, Springer in Physics Series, Vol. 104, pp. 123-132, Jan 2006
G. Çakır, L. Sevgi, "A Generic Microstrip Structure for Broadband Bandstop and Bandpass Filter Design", Complex Computing Networks, Springer in Physics Series, Vol. 104, pp. 149-156, Jan 2006
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