Greeting from
Dr. Saakian
CHAPTERS | CHAPTER SUBSECTIONS | LECTURE NUMBERS | LECTURE SUBSECTIONS |
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CHAPTER-1. INTRODUCTION. | Introduction | LECTURE-1 | 1.1. 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-4 | General 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-5 | 2.3.1. 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-6 | 2.4.1. 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-7 | 2.6.1. 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-9 | 3.3.1. 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-10 | 4.1.1. Flat Earth Approximation |
LECTURE-11 | 4.1.2. Propagation over the Spherical Earth Surface | ||
LECTURE-12 | 4.1.3. 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-13 | 4.1.5. Propagation Prediction Models in Urban, Suburban and Rural Areas | |
4.2. Propagation Between Ground-Based Antennas Over the Flat Earth | LECTURE-14 | 4.2.1. 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-15 | 4.2.3. 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-16 | 4.3.1. Basic Concepts 4.3.2. Propagation Between Ground-Based Antennas | |
LECTURE-17 | 4.3.3. 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-18 | 5.2. 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-19 | 5.1. 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-20 | 5.5.1. Propagation Along Geomagnetic Field Lines 5.5.2. Propagation Perpendicular to Geomagnetic Field Lines | |
LECTURE-21 | 5.5.3. 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-22 | 5.7.6. 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-24 | 6.1.1. Fluctuation Processes and Stability of Radio Links 6.1.2. Fast Fading Statistical Distributions |
LECTURE-25 | 6.1.3. 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-26 | 6.2.1. 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-27 | 6.2.4. 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-28 | 6.3.1. 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 |