![]() Loop antennas-introduction, Small loop, Comparison of far fields of small loop and Short Dipole, Radiation Resistances and Directivities of small loops (Qualitative treatment). Thin Linear Wire Antennas: Radiation from small electric dipole, Quarter wave monopole and half wave dipole – current distributions, Field components, Radiated power, Radiation resistance, beam width, Directivity, Effective area and effective height, Natural current distributions, Far fields and patterns of thin linear centre-fed antennas of different lengths, Illustrative problems. ![]() ![]() Fields from oscillating dipole, Field zones, Front-to-back ratio, Antenna theorems, radiation, Retarded potentials- Helmholtz theorem. Antenna Basics: Introduction, Basic antenna parameters - Patterns, Beam area, Radiation intensity, Beam efficiency, Directivity-gain resolution, Antenna apertures, Effective height, Illustrative problems.
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