EC2353 ANTENNAS AND WAVE PROPAGATION - ANNA UNIV ECE 6TH SEM SYLLABUS - Anna University Internal marks 2018
ANNA UNIVERSITY
EC2353 ANTENNAS AND WAVE PROPAGATION SYLLABUS
REGULATION 2008
6TH SEMESTER ECE
AIM
To enable the student to study the various types of antennas and wave propagation.

OBJECTIVES
 To study radiation from a current element.
 To study antenna arrays
 To study aperture antennas
 To learn special antennas such as frequency independent and broad band
antennas.
 To study radio wave propagation.

UNIT I ELECTROMAGNETIC RADIATION AND ANTENNA FUNDAMENTALS
Review of electromagnetic theory: Vector potential, Solution of wave equation, retarded case, Hertizian dipole. Antenna characteristics: Radiation pattern, Beam solid angle, Directivity, Gain, Input impedance, Polarization, Bandwidth, Reciprocity, Equivalence of Radiation patterns, Equivalence of Impedances, Effective aperture, Vector effective length, Antenna temperature.

UNIT II WIRE ANTENNAS AND ANTENNA ARRAYS
Wire antennas: Short dipole, Radiation resistance and Directivity, Half wave Dipole, Monopole, Small loop antennas. Antenna Arrays: Linear Array and Pattern Multiplication, Two-element Array, Uniform Array, Polynomial representation, Array with non-uniform Excitation-Binomial Array

UNIT III APERTURE ANTENNAS
Aperture Antennas: Magnetic Current and its fields, Uniqueness theorem, Field equivalence principle, Duality principle, Method of Images, Pattern properties, Slot antenna, Horn Antenna, Pyramidal Horn Antenna, Reflector Antenna-Flat reflector, Corner Reflector, Common curved reflector shapes, Lens Antenna.

UNIT IV SPECIAL ANTENNAS AND ANTENNA MEASUREMENTS
Special Antennas: Long wire, V and Rhombic Antenna, Yagi-Uda Antenna, Turnstile Antenna, Helical Antenna- Axial mode helix, Normal mode helix, Biconical Antenna, Log periodic Dipole Array, Spiral Antenna, Microstrip Patch Antennas. Antenna Measurements: Radiation Pattern measurement, Gain and Directivity Measurements, Anechoic Chamber measurement.

Calculation of Great Circle Distance between any two points on earth, Ground Wave Propagation, Free-space Propagation, Ground Reflection, Surface waves, Diffraction, Wave propagation in complex Environments, Tropospheric Propagation, Tropospheric Scatter. Ionospheric propagation: Structure of ionosphere, Sky waves, skip distance, Virtual height, Critical frequency, MUF, Electrical properties of ionosphere, Effects of earth’s magnetic fields, Faraday rotation, Whistlers.

TUTORIAL = 15 TOTAL =45 + 15 =60 PERIODS

TEXTBOOKS
1. E.C.Jordan and Balmain, “Electromagnetic waves and Radiating Systems”, Pearson Education / PHI, 2006
2. A.R.Harish, M.Sachidanada, “Antennas and Wave propagation”, Oxford University
Press, 2007.

REFERENCES
1. John D.Kraus, Ronald J Marhefka and Ahmad S Khan, “Antennas for all Applications”,
2. Tata McGraw-Hill Book Company, 3 ed, 2007.
3. G.S.N.Raju, Antenna Wave Propagation, Pearson Education, 2004.
4. Constantine A. Balanis, Antenna Theory Analysis and Desin, John Wiley, 2ndEdition, 2007.
5. R.E.Collins, “Antenna and Radiowave propagation”,
6. W.L Stutzman and G.A. Thiele, “Antenna analysis and design”, John Wiley, 2000.