Antenna Theory Dr Bijan Zakeri Associate Professor Communication

ﻓﺮآیﻨﺪ ﺗﺸﻌﺸﻊ آﻨﺘﻦ Antenna Theory Dr. Bijan Zakeri, Associate Professor, Communication Engineering Department, Faculty of Electrical and Computer Engineering, Babol Noshirvani University of Technology, Shariatee St. P. O. Box 47135 -484, Post Code 47148 -71167, Babol, Iran. E-Mail: zakeri@nit. ac. ir; Web: http: //en. nit. ac. ir/people/resume_faculty_members/bijan_zakeri. aspx; Antenna Theory Week-01 P 1

ﻓﺮآیﻨﺪ ﺗﺸﻌﺸﻊ آﻨﺘﻦ IEEE STD 145– 1983: : ﺗﻌﺮیﻒ ü a means for radiating or receiving radio waves ﺍﻧﻮﺍﻉ آﻨﺘﻦ ﻫﺎی ü : ﺳیﻤی Antenna Theory Week-01 P 2

ﻓﺮآیﻨﺪ ﺗﺸﻌﺸﻊ آﻨﺘﻦ i 1 P 2 i 2 Antenna Theory Week-01 P 15

ﻓﺮآیﻨﺪ ﺗﺸﻌﺸﻊ آﻨﺘﻦ Outlines ü Analytical Methods: : ﺭﻭﺵ ﻫﺎی ﺗﺤﻠیﻞ آﻨﺘﻦ ü (. . . ﺑﺮﺍی آﻨﺘﻦ ﻫﺎی ﺳﺎﺩﻩ )ﺳیﻤی ﻭ • Separation of variables • Series expansion • Conformal mapping • Integral solutions, e. g. , Laplace and Fourier transforms • Perturbation methods ü Numerical Methods: (. . . ﻣﺎیکﺮﻭﺍﺳﺘﺮیپ ، ﺑﺮﺍی آﻨﺘﻦ ﻫﺎی پیچیﺪﻩ ) ﻫﻮﺭﻥ • Extended Boundary Conditions Method • Finite Difference Time Domain (FDTD) method • Pseudo spectral Time Domain (PSTD) method • Finite Difference Frequency Domain (FDFD) method • A frequency-domain full-wave (FDFW) numerical model • Variational Technique based for MOM and FEM. • Moment Method as EFIE & MFIE • Finite Element Method (FEM) • Finite Element Time Domain (FETD). • Discontinuous Galerkin finite element methods (DG-FEM). Antenna Theory • • Week-01 Finite Volume Time Domain (FVTD) Transmission-line Method (TLM) Method of Lines Monte Carlo Method Generalized Multi-Pole Technique Conjugate Gradient Method Boundary Element Method High-Frequency Asymptotic (GTD and UTD) P 16

ﻓﺮآیﻨﺪ ﺗﺸﻌﺸﻊ آﻨﺘﻦ : ﺗﺎﺭﻳﺨچﻪ ﺍﻟﻜﺘﺮﻭﻣﻐﻨﺎﻃﻴﺲ ﻭ ﺗﺸﻌﺸﻊ ü ü Maxwell’s Equations was first published in 1873 ﻫﻤچﻨیﻦ ﻧﺸﺎﻥ ﺩﺍﺩ کﻪ ﻧﻮﺭ ﻣﺎﻫیﺖ ü 1831 -1879 (aged 48) ﺍﻟکﺘﺮﻭﻣﻐﻨﺎﻃیﺴی ﺩﺍﺭﺩ British, Scottish J. C. Maxwell, A Treatise on Electricity and Magnetism, Oxford University Press, London, UK, 1873 ü Heinrich Rudolph Hertz demonstrated first wireless electromagnetic in 1886. کﺮﻩ ﻓﻠﺰی gap ﺳیﻢ ﻧﺎﺯک چﻮﺏ ﻓﺮﺳﺘﻨﺪﻩ 1857 -1894 (aged 37) German physicist 1. 5 m ü λ/2 dipole antanna گیﺮﻧﺪﻩ ü f =100 MHz Antenna Theory Week-01 P 18