EC9312 ADVANCED RADIATION SYSTEMS SYLLABUS | ANNA UNIVERSITY ME ECE 1ST SEM SYLLABUS REGULATION 2009 2011 2012-2013 BELOW IS THE ANNA UNIVERSITY FIRST SEMESTER M.E ECE ELECTRONICS AND COMMUNICATION ENGINEERING DEPARTMENT SYLLABUS, TEXTBOOKS, REFERENCE BOOKS,EXAM PORTIONS,QUESTION BANK,PREVIOUS YEAR QUESTION PAPERS,MODEL QUESTION PAPERS, CLASS NOTES, IMPORTANT 2 MARKS, 8 MARKS, 16 MARKS TOPICS. IT IS APPLICABLE FOR ALL STUDENTS ADMITTED IN THE YEAR 2011 2012-2013 (ANNA UNIVERSITY CHENNAI,TRICHY,MADURAI, TIRUNELVELI,COIMBATORE), 2009 REGULATION OF ANNA UNIVERSITY CHENNAI AND STUDENTS ADMITTED IN ANNA UNIVERSITY CHENNAI DURING 2009
EC9312 ADVANCED RADIATION SYSTEMS L T P C
3 0 0 3
UNIT I CONCEPTS OF RADIATION 9
Retarded vector potentials – Heuristic approach and Maxwell’s equation approach. Electric
vector potential F for a magnetic current source M. Duality theorem. The Lorentz gauge
condition. Vector potential in Phasor form. Fields radiated by an alternating current element and
half wave dipole. Totalpower radiated and radiation resistance of alternating current element
and half wave dipole. Power radiated in the far field. Linear, Elliptical and circular polarization.
Development of the Poincare sphere.
UNIT II ANTENNA ARRAYS 9
N element linear arrays – uniform amplitude and spacing- Phased arrays- Directivity of
Broadside and End fire arrays. Three dimensional characteristics - Pattern multiplication-
Binomial arrays and Dolph- Tchebycheff arrays. Circular array. Mutual coupling in arrays,
multidimensional arrays- phased arrays and array feeding techniques.
UNIT III ANTENNA SYNTHESIS 9
Synthesis problem-Line source based beam synthesis methods (Fourier transform and
Woodward- Lawson sampling method – Linear array shaped beam synthesis method – Low
side lobe, narrow main beam synthesis methods - discretization of continuous sources.
Schelkunoff polynomial method
UNIT IV APERTURE ANTENNAS 9
Radiation from apertures - Huygens Principle. Rectangular apertures- techniques for evaluating
gain, Circular apertures and their design considerations- Babinets principle Fraunhoffer and
Fresnel diffraction. Complimentary screens and slot antennas. Slot and dipoles as dual
antennas. Fourier transform in aperture antenna theory.
UNIT V HORN, MICROSTRIP, REFLECTOR ANTENNAS 9
E and H plane sectoral Horns. Pyramidal horns. Conical and corrugated Horns. Multimode
horns. Phase center. Microstrip antennas – feeding methods. Rectangular patch- Transmission
line model – Circular patch Parabolic Reflector antennas – Prime focus and cassegrain
reflectors. Equivalent focal length of Cassegrain antennas. Spillover and taper efficiencies.
Optimum illumination.
TOTAL:45 PERIODS
REFERENCES:
1. Balanis, C.A., “Antenna Theory” Wiley,2003
2. Warren L. Stutzman and Gary A. Thiele,“ Antenna theory and design”John Wiley and sons
1998
3. Jordan, E.C., “ Electromagnetic waves and Radiating systems”. PHI 2003
4. Krauss, J.D., “ Radio Astronomy” McGraw-Hill 1966, for the last unit (reprints available)
5. Krauss, J.D.,, Fleisch,D.A., “Electromagnetics” McGraw-Hill,1999
EC9312 ADVANCED RADIATION SYSTEMS L T P C
3 0 0 3
UNIT I CONCEPTS OF RADIATION 9
Retarded vector potentials – Heuristic approach and Maxwell’s equation approach. Electric
vector potential F for a magnetic current source M. Duality theorem. The Lorentz gauge
condition. Vector potential in Phasor form. Fields radiated by an alternating current element and
half wave dipole. Totalpower radiated and radiation resistance of alternating current element
and half wave dipole. Power radiated in the far field. Linear, Elliptical and circular polarization.
Development of the Poincare sphere.
UNIT II ANTENNA ARRAYS 9
N element linear arrays – uniform amplitude and spacing- Phased arrays- Directivity of
Broadside and End fire arrays. Three dimensional characteristics - Pattern multiplication-
Binomial arrays and Dolph- Tchebycheff arrays. Circular array. Mutual coupling in arrays,
multidimensional arrays- phased arrays and array feeding techniques.
UNIT III ANTENNA SYNTHESIS 9
Synthesis problem-Line source based beam synthesis methods (Fourier transform and
Woodward- Lawson sampling method – Linear array shaped beam synthesis method – Low
side lobe, narrow main beam synthesis methods - discretization of continuous sources.
Schelkunoff polynomial method
UNIT IV APERTURE ANTENNAS 9
Radiation from apertures - Huygens Principle. Rectangular apertures- techniques for evaluating
gain, Circular apertures and their design considerations- Babinets principle Fraunhoffer and
Fresnel diffraction. Complimentary screens and slot antennas. Slot and dipoles as dual
antennas. Fourier transform in aperture antenna theory.
UNIT V HORN, MICROSTRIP, REFLECTOR ANTENNAS 9
E and H plane sectoral Horns. Pyramidal horns. Conical and corrugated Horns. Multimode
horns. Phase center. Microstrip antennas – feeding methods. Rectangular patch- Transmission
line model – Circular patch Parabolic Reflector antennas – Prime focus and cassegrain
reflectors. Equivalent focal length of Cassegrain antennas. Spillover and taper efficiencies.
Optimum illumination.
TOTAL:45 PERIODS
REFERENCES:
1. Balanis, C.A., “Antenna Theory” Wiley,2003
2. Warren L. Stutzman and Gary A. Thiele,“ Antenna theory and design”John Wiley and sons
1998
3. Jordan, E.C., “ Electromagnetic waves and Radiating systems”. PHI 2003
4. Krauss, J.D., “ Radio Astronomy” McGraw-Hill 1966, for the last unit (reprints available)
5. Krauss, J.D.,, Fleisch,D.A., “Electromagnetics” McGraw-Hill,1999
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