# Antennas and Propagation

 Course Code : 10EC64 Author : uLektz University : Visvesvaraya Technological University, Karnataka (VTU) Regulation : 2010 Categories : Electronics & Communication Format : ePUB3 (DRM Protected) Type : eBook

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Description :Antennas and Propagation of 10EC64 covers the latest syllabus prescribed by Visvesvaraya Technological University, Karnataka (VTU) for regulation 2010. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

##### Topics
###### UNIT - I ANTENNA BASICS

1.1 Introduction, Basic Antenna parameters, patterns, beam area, radiation intensity, beam efficiency, directivity and gain, antenna apertures, effective height, bandwidth, radiation, efficiency

1.2 Antenna temperature and antenna field zones

###### UNIT - II POINT SOURCES AND ARRAYS

2.1 Introduction, point sources, power patterns, power theorem, radiation intensity, field patterns, phase patterns

2.2 Array of two isotropic point sources, Endfire array and Broadside array

###### UNIT - III ELECTRIC DIPOLES AND THIN LINEAR ANTENNAS

3.1 Introduction, short electric dipole, fields of a short dipole(no derivation of field components), radiation resistance of short dipole

3.2 Radiation resistances of lambda/2 Antenna

3.3 Thin linear antenna, Micro strip arrays, Low side lobe arrays

3.4 Long wire antenna, Folded dipole antennas

###### UNIT - IV LOOP

4.1 Introduction, Small loop, Comparison of far fields of small loop and short dipole

4.2 Loop antenna general case, Far field patterns of circular loop, Radiation resistance, directivity

###### UNIT - V SLOT, PATCH AND HORN ANTENNA

5.1 Slot antenna, Babinet’s principle, Complementary antennas, impedance of complementary and slot antennas

5.2 Patch antennas

5.3 Horn antennas, Rectangular horn antennas

###### UNIT - VI ANTENNA TYPES

6.1 Helical Antenna

6.2 Yagi-Uda array

6.3 Corner reflectors, parabolic reflectors

6.4 Log periodic antenna

6.5 Lens antenna

6.6 Antenna for special applications – Sleeve antenna, Turnstile antenna, Omni directional antennas, Antennas for satellite, Antennas for ground penetrating radars, Embedded antennas, Ultra wide band antennas, Plasma antenna, High-resolution data, intelligent antennas, Antenna for remote sensing.

###### UNIT - VII RADIO WAVE PROPAGATION

7.1 Introduction, Ground wave propagation, Free space propagation

7.2 Ground reflection, Surface wave, Diffraction

###### UNIT - VIII TROPOSPHERE WAVE PROPAGATION

8.1 Tropospheric scatter

8.2 Ionosphere propagation, Electrical properties of the ionosphere, Effects of earth’s magnetic field