Theme 9
SECTIONS SUBSECTIONS LECTURE NUMBERS LECTURE CONTENTS
CHAPTER-1. INTRODUCTION. Introduction LECTURE-11.1. Brief Historical Overview.
1.2. Classification of Radio Waves by Frequency Bands.
1.3. Classification of Radio Waves by their Propagation Mechanisms.
1.4. The Earth’s Atmosphere and its Structure.
1.5. Interferences in RF Transmission Links.
CHAPTER-2. BASICS OF ELECTROMAGNETIC WAVES THOERY 2.1. Electromagnetic Process LECTURE-2 2.1.1. Maxwell’s Equations of Electrodynamics
2.1.2. Boundary Conditions of Electrodynamics
LECTURE-3 2.1.3. Time-Harmonic Electromagnetic Process – Classification of Media by Conductivity
2.2. Free Propagation of Uniform Plane Radio Waves LECTURE-4General Relations
2.2.1. Uniform Plane Wave in Lossless Medium
2.2.2. Uniform Plane Wave in Lossy Medium
2.3. Polarization of the Radio Waves LECTURE-52.3.1. Basic Relations
2.3.2. Linear Polarization (LP)
2.3.3. Circular Polarization (CP)
2.3.4. Elliptical Polarization (EP)
2.4. Reflection and Refraction of Radio Wave from the Boundary of Two Media LECTURE-62.4.1. Introductory Remarks
2.4.2. Normal Incidence on a Plane Boundary
2.4.3. Oblique Incidence on a Plane Boundary
2.4.4. Power Reflection and Transmission
2.4.5. Reflection of the Radio Wave from the Boundary of Nonideal Dielectric Medium
2.6. Spatial Area Significant for Radio Waves Propagation LECTURE-72.6.1. Huygens Principle
2.6.2. Fresnel Zones
CHAPTER-3. BASICS OF ANTENNAS FOR RF LINKS 3.1. Brief Introduction
3.2. Basic Parameters of Antennas 		LECTURE-8 3.1.1. Brief Introduction
3.2.1. Radiation Pattern and Directivity
3.2.2. Radiation Resistance, Loss resistance, and Antenna Gain
3.2.3. Antenna Effective Length
3.2.4. Antenna Effective Area of Aperture
3.3. General Relations in Radio Wave Propagation Theory LECTURE-93.3.1. General Relations in Radio Wave Propagation Theory
CHAPTER-4. IMPACT OF THE EARTH SURFACE ON PROPAGATION OF GROUND WAVES 4.1. Propagation Between Antennas Elevated Above the Ground LECTURE-104.1.1. Flat Earth Approximation
LECTURE-114.1.2. Propagation over the Spherical Earth Surface
LECTURE-124.1.3. Specifics of Propagation over a Rough and Hilly Terrain
4.1.4. Optimal Path Clearance and Choice of the Antenna Elevations
4.1. Propagation Between Antennas Elevated Above the Ground LECTURE-134.1.5. Propagation Prediction Models in Urban, Suburban and Rural Areas
4.2. Propagation Between Ground-Based Antennas Over the Flat Earth LECTURE-144.2.1. Antennas over the Flat, Perfect Ground Plane
4.2.2. Leontovich Approximate Boundary Conditions and Structure of Radio Waves Near the Earth’s Surface
LECTURE-154.2.3. Propagation over the Real Homogeneous Flat Earth
4.2.4. Propagation Along the Real Inhomogeneous Flat Earth: Coastal Refraction
4.3. Asymptotic Diffraction Theory (ADT) of Propagation over the Spherical Earth Surface LECTURE-164.3.1. Basic Concepts
4.3.2. Propagation Between Ground-Based Antennas
LECTURE-174.3.3. Propagation Between Elevated Antennas
4.3.4. Specifics of Propagation Estimates in Penumbra Zone
CHAPTER-5. ATMOSPHERIC EFFECTS IN RADIO WAVE PROPAGATION 5.2. Regular Refraction of the Radio Waves in the Atmosphere
5.3. Standard Atmosphere and Tropospheric Refraction 		LECTURE-185.2. Regular Refraction of the Radio Waves in the Atmosphere
5.3. Standard Atmosphere and Tropospheric Refraction
5.1. Dielectric Permittivity and Conductivity of Ionized Gas
5.4. Reflection and Refraction of the Sky Waves in the Ionosphere 		LECTURE-195.1. Dielectric Permittivity and Conductivity of Ionized Gas
5.4. Reflection and Refraction of the Sky Waves in the Ionosphere
5.5. The Impact of the Earth’s Magnetic Field on Propagation of the Radio Waves in the Ionosphere LECTURE-205.5.1. Propagation Along Geomagnetic Field Lines
5.5.2. Propagation Perpendicular to Geomagnetic Field Lines
LECTURE-215.5.3. Propagation of the Radio Wave Arbitrary Oriented Relative to the Earth’s Magnetic Field
5.5.4. Reflection and Refraction of the Radio Waves in the Magneto-Active Ionosphere
5.7. Over-the-Horizon Propagation of the Radio Waves by the Tropospheric Scattering Mechanism LECTURE-225.7.6. Propagation Factor on Secondary Tropospheric Radio Links
5.7.7. The Specifics of the Secondary Tropospheric Radio Links Performance
5.8. Attenuation of the Radio Waves in the Atmosphere LECTURE-23 5.8.1. Attenuations in Troposphere
5.8.2. Attenuations in Ionosphere
CHAPTER-6. RECEPTION OF THE RADIO WAVES 6.1. Multiplicative Interferences (Signal Fades) LECTURE-246.1.1. Fluctuation Processes and Stability of Radio Links
6.1.2. Fast Fading Statistical Distributions
LECTURE-256.1.3. Slow Fading Statistical Distribution
6.1.4. Combined Distribution of Fast and Slow Fades. Signal Stability in Long-term Observations
6.2. Additive Interferences (Noises) LECTURE-266.2.1. Internal Noises of One- and Two-Port Networks
6.2.2. Noise Figure and Noise Temperature of the Cascaded Two-Port Networks
6.2.3. Noise Figure of the Passive Two-Port Network
LECTURE-276.2.4. Antenna Noise Temperature
6.2.5. Environmental (External) Noise
6.2.6. Basics of RF Link Performance Stability Analysis
6.3. Methods of improvement of the radio waves reception performance LECTURE-286.3.1. Noise Suppressing Modems for the Analog RF Links Improvement
6.3.2. Digital RF Links Performance Improvement.
6.3.3. Use of Spread-Spectrum Discrete Signals
6.3.4. Diversity Reception Technique