Book Details

Antenna  And Wave Propagation

Antenna And Wave Propagation

Published by uLektz

Course Code : EC6602
Author : uLektz
University : Anna University, Tamil Nadu
Regulation : 2013
Categories : Electronics & Communication
Format : ico_bookePUB3 (DRM Protected)
Type : eBook

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Description :Antenna And Wave Propagation of EC6602 covers the latest syllabus prescribed by Anna University, Tamil Nadu for regulation 2013. 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 FUNDAMENTALS OF RADIATION

1.1 Definition of antenna parameters – Gain, Directivity, Effective aperture, Radiation Resistance, Band width, Beam width, Input Impedance

1.2 Matching - Baluns

1.3 Polarization mismatch

1.4 Antenna noise temperature

1.5 Radiation from oscillating dipole, Half wave dipole, Folded dipole

1.6 Yagi array

UNIT II APERTURE AND SLOT ANTENNAS

2.1 Radiation from rectangular apertures, Uniform and Tapered aperture

2.2 Horn antenna

2.3 Reflector antenna, Aperture blockage, Feeding structures

2.4 Slot antennas

2.5 Micro-strip antennas – Radiation mechanism – Application

2.6 Numerical tool for antenna analysis

UNIT III ANTENNA ARRAYS

3.1 N element linear array, Pattern multiplication, Broadside and End fire array

3.2 Concept of Phased arrays, Adaptive array

3.3 Basic principle of antenna Synthesis

3.4 Binomial array

UNIT IV SPECIAL ANTENNAS

4.1 Principle of frequency independent antennas, Spiral antenna, Helical antenna, Log periodic

4.2 Modern antennas, Reconfigurable antenna, Active antenna, Dielectric antennas, Electronic band gap structure and applications

4.3 Antenna Measurements - Test Ranges, Measurement of Gain, Radiation pattern, Polarization, VSWR

UNIT V PROPAGATION OF RADIO WAVES

5.1 Modes of propagation, Structure of atmosphere

5.2 Ground wave propagation

5.3 Tropospheric propagation, Duct propagation, Troposcatter propagation, Flat earth and curved earth concept

5.4 Sky wave propagation – Virtual height, Critical frequency, Maximum usable frequency – Skip distance, Fading, Multi hop propagation

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