EC9354 ANTENNAS AND WAVE PROPAGATION L T P C
3 0 0 3
UNIT I FUNDAMENTALS OF RADIATION 9
Definition of antenna parameters – Gain, Directivity, Effective aperture, Radiation
Resistance, Band width, Beam width, Input Impedance. Matching – Baluns,
Polarization mismatch, Antenna noise temperature, Radiation from oscillating dipole,
Half wave dipole. Folded dipole, Yagi array.
UNIT II APERTURE AND SLOT ANTENNAS 9
Radiation from rectangular apertures, Uniform and Tapered aperture, Horn antenna ,
Reflector antenna , Aperture blockage , Feeding structures , Slot antennas
,Microstrip antennas – Radiation mechanism – Application ,Numerical tool for
antenna analysis
UNIT III ANTENNA ARRAYS 9
N element linear array, Pattern multiplication, Broadside and End fire array –
Concept of Phased arrays, Adaptive array, Basic principle of antenna SynthesisBinomial array
UNIT IV SPECIAL ANTENNAS 9
Principle of frequency independent antennas –Spiral antenna, Helical antenna, Log
periodic. Modern antennas- Reconfigurable antenna, Active antenna, Dielectric
antennas, Electronic band gap structure and applications, Antenna MeasurementsTest Ranges, Measurement of Gain, Radiation pattern, Polarization, VSWR
UNIT V PROPAGATION OF RADIO WAVES 9
Modes of propagation , Structure of atmosphere , Ground wave propagation,
Tropospheric propagation , Duct propagation , Troposcatter propagation , Flat earth
and Curved earth concept ,Sky wave propagation – Virtual height ,critical frequency ,
Maximum usable frequency – Skip distance , Fading , Multi hop propagation.
TOTAL: 45 PERIODS
TEXT BOOKS
1. John D Kraus,” Antennas for all applications”,3 Ed, McGraw Hill, 2005
2. Edward C.Jordan and Keith G.Balmain”Electromagnetic Waves and Radiating
Systems”Prentice Hall of India,2006
REFERENCES
1. Constantine.A.Balanis”Antenna Theory Analysis and Design” Wiley student
edition,2006
2. Rajeswari Chatterjee,:”Antenna Theory and Practice”Revised Second
edition”New Age international Publishers,2006
3. S.Drabowitch,”Modern Antennas” Second edition,Springer Publications,2007
4. Robert S.Elliott”Antenna theory and Design”Wiley student edition,2006
5. H.Sizun” Radio Wave Propagation for Telecommunication Applications”First
Indian Reprint, Springer Publications,2007
3 0 0 3
UNIT I FUNDAMENTALS OF RADIATION 9
Definition of antenna parameters – Gain, Directivity, Effective aperture, Radiation
Resistance, Band width, Beam width, Input Impedance. Matching – Baluns,
Polarization mismatch, Antenna noise temperature, Radiation from oscillating dipole,
Half wave dipole. Folded dipole, Yagi array.
UNIT II APERTURE AND SLOT ANTENNAS 9
Radiation from rectangular apertures, Uniform and Tapered aperture, Horn antenna ,
Reflector antenna , Aperture blockage , Feeding structures , Slot antennas
,Microstrip antennas – Radiation mechanism – Application ,Numerical tool for
antenna analysis
UNIT III ANTENNA ARRAYS 9
N element linear array, Pattern multiplication, Broadside and End fire array –
Concept of Phased arrays, Adaptive array, Basic principle of antenna SynthesisBinomial array
UNIT IV SPECIAL ANTENNAS 9
Principle of frequency independent antennas –Spiral antenna, Helical antenna, Log
periodic. Modern antennas- Reconfigurable antenna, Active antenna, Dielectric
antennas, Electronic band gap structure and applications, Antenna MeasurementsTest Ranges, Measurement of Gain, Radiation pattern, Polarization, VSWR
UNIT V PROPAGATION OF RADIO WAVES 9
Modes of propagation , Structure of atmosphere , Ground wave propagation,
Tropospheric propagation , Duct propagation , Troposcatter propagation , Flat earth
and Curved earth concept ,Sky wave propagation – Virtual height ,critical frequency ,
Maximum usable frequency – Skip distance , Fading , Multi hop propagation.
TOTAL: 45 PERIODS
TEXT BOOKS
1. John D Kraus,” Antennas for all applications”,3 Ed, McGraw Hill, 2005
2. Edward C.Jordan and Keith G.Balmain”Electromagnetic Waves and Radiating
Systems”Prentice Hall of India,2006
REFERENCES
1. Constantine.A.Balanis”Antenna Theory Analysis and Design” Wiley student
edition,2006
2. Rajeswari Chatterjee,:”Antenna Theory and Practice”Revised Second
edition”New Age international Publishers,2006
3. S.Drabowitch,”Modern Antennas” Second edition,Springer Publications,2007
4. Robert S.Elliott”Antenna theory and Design”Wiley student edition,2006
5. H.Sizun” Radio Wave Propagation for Telecommunication Applications”First
Indian Reprint, Springer Publications,2007
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