VHF, UHF AND MICROWAVE ANTENNAS : Reflector Antennas : Flat Sheet and Corner Reflectors. Broadband Antennas: voluted Antennas – Significance, Geometry, basic properties style issues for monofilar voluted antennas in Axial Mode and traditional Modes (Qualitative Treatment). NON-RESONANT RADIATORS : Introduction, wave radiators – basic ideas, Long wire antennas – field intensity calculations and patterns, Microstrip Antennas-Introduction, Features, blessings and Limitations, Rectangular Patch Antennas –Geometry and Parameters, Impact of various parameters on characteristics.
Arrays with Parasitic parts, Yagi-Uda Arrays, accordion Dipoles and their characteristics. Binomial Arrays, Effects of Uniform and Non-uniform Amplitude Distributions, style Relations. directionality Relations (no derivations). UNIT IIIĪNTENNA ARRAYS : a pair of part arrays – totally different cases, Principle of Pattern Multiplication, N part Uniform Linear Arrays – Broadside, End-fire Arrays, EFA with exaggerated directionality, Derivation of their characteristics and comparison construct of Scanning Arrays.
Antenna Theorems – relevancy and Proofs for equivalence of directional characteristics, Loop Antennas: little Loops – Field elements, Comparison of way fields of little loop and short dipole, construct of short dipole, D and Rr relations for tiny loops. Natural current distributions, fields and patterns of skinny Linear Center-fed Antennas of various lengths, Radiation Resistance at a degree that isn’t current most. Skinny LINEAR WIRE ANTENNAS: half-witted Potentials, Radiation from little dipole, Quarter wave Monopole and 0.5 wave Dipole – Current Distributions, analysis of Field elements, Power Radiated, Radiation Resistance, Beamwidths, directionality, Effective space and Effective Height.
Antenna Parameters – Radiation Patterns, Patterns in Principal Planes, Main Lobe and aspect Lobes, Beamwidths, Polarization, Beam Area, Radiation Intensity, Beam potency, directionality, Gain and backbone, Antenna Apertures, Aperture potency, Effective Height, illustrated issues. ANTENNA FUNDAMENTALS: Introduction, Radiation Mechanism – single wire, 2 wire, dipoles, Current Distribution on a skinny wire antenna.
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