Antena & Wave Propogation
Antennas Basics
Point Sources and Their Arrays and Electric Dipoles
Loop Antenna
Reflector Antennas and Antenna Measurements
Propagation
- Antenna-Introduction
- Types of Antennas
- Antenna pattern
- Radiation Pattern Lobes
- Isotropic, Directional, and Omnidirectional Patterns
- Principal Patterns
- Field Regions of Antenna
- Radiation Power Density
- Radiation intensity
- Beamwidth
- Directivity
- Beam Solid Angle
- Antenna Efficiency
- Antenna Gain
- Polarization of an Antenna
- Beam Efficiency of Antenna
- Bandwidth of an Antenna
- Types of Polarization
- Polarization Loss Factor
- Polarization Efficiency
- Input impedance of the Antenna
- Antenna Radiation Efficiency
- Effective Length of an Antenna
- Antenna Effective Area
- Relationship between directivity and maximum effective area
- Friis Transmission Equation
- Radar Range Equation
- Antenna temperature
- Retarded Potential
- Far Field Radiation
- Antenna Arrays
- Uniform N-Element Linear Array
- N-Element Linear Array
- Direction of Maximum Radiation
- Directions of Nulls
- Broadside and End-fire Arrays
- End-fire arrays
- Hansen-Woodyard End-fire Array
- Binomial array
- Short Electric dipole
- Retardation effect in short electric dipole
- Magnetic Field Component: of short dipole
- Radiation resistance of short dipole
- Folded dipole
- Long wire antenna
- Isotropic Linear Arrays
- Multiplication of Patterns
- Effect of Earth on the Radiation Pattern
- Effect of Earth on the Radiation Pattern of Vertical Antenna
- Effect of Earth on the Radiation Pattern of Horizontal Antenna
- Phased (scanning) Arrays
- Array of 2 isotropic point sources of same amplitude and phase
- Array of 2 isotropic point sources of same amplitude but opposite phase
- Linear Broadside Arrays with Nonuniform Amplitude Distributions
- Half-Wave Dipole
- Yagi-Uda Antenna
- System temperature
- System signal-to-noise ratio (SNR)
- Radiation intensity function for the center-fed dipole
- Infinitesimal Dipole Effective Aperture and Solid Beam Angle
- Center-Fed Dipole Antenna
- Power radiated by the center-fed dipole
- Directivity of the center-fed dipole
- Loop Antennas
- Radiation parameters of a small loop
- Small Loop and Infinitesimal Magnetic Dipole
- Power Density of Infinitesimal dipole
- Radiation resistance of Infinitesimal dipole
- Ohmic Resistance of the Circular loop
- Near-Field Region-Small Loop
- Far-Field Region -Small Loop
- Radiation Intensity and Directivity
- Equivalent Circuit of small Loop antenna
- Circular loop of constant current
- Parameters of the Circular Loop
- Ferrite loop
- Microstrip antennas (MSA)
- Rhombic antenna
- Helical Antenna
- Slot antennas
- Horn Antenna
- Fields and Geometrical Parameters for Horn Antennas
- Radiation Patterns of Horn Antenna
- Parameters of Microstrip Antenna
- Microstrip Antenna - Feeding Methods-Inset Feed
- Microstrip Antenna-Fed with a Quarter-Wavelength Transmission Line
- Microstrip-antenna-Coaxial Cable or Probe Feed
- Microstrip Antenna-Coupled (Indirect) Feeds
- Microstrip Antenna -Aperture Feeds
- Pyramidal Horn Antenna
- Directivity of the pyramidal Horn Antenna
- Conical Horn Antenna
- Circular Microstrip Patch Antenna
- Electric and Magnetic Fieldsâ€â€Circular microstrip patch antenna
- Resonant Frequencies-Circular microstrip patch antenna
- Equivalent Current Densities and Fields Radiated-Circular Patch Antenna
- Conductance and Directivity-Circular Patch Antenna
- Resonant Input Resistance- Circular Patch Antenna
- Reflector Antennas
- Plane Reflector
- Traveling wave Antennas
- Types of traveling wave antennas
- Planar log-periodic antenna
- Corner Reflector
- 90 degree Corner Reflector
- Parabolic Reflector
- Principles of parabolic reflectors
- Antenna Pattern Measurements
- Absolute Method of Gain Measurement
- Gain-Transfer (Gain-Comparison) Measurements
- Directivity Measurements
- Impedance measurements
- Far-field pattern measurements
- General requirements for antenna measurement procedures
- Antenna ranges
- Gain of reflector antennas
- Ionosphere
- Sky wave propagation:Virtual heights
- Critical frequency:Sky wave propagation
- Maximum usable Frequency(MUF)
- Refraction of Sky Waves by ionosphere
- Ground Wave Propagation
- Lowest Usable Frequency (LUF)
- Skip Distance/Skip Zone
- Absorption in Ionosphere
- Wave Propagation Mechanism
- Surface Wave
- Space Wave
- Multipath Fading
- Fading
- Cassegrain feed
- Ground Reflection
- Modes of Propagation
- Wave Characteristics
- Feed Methods for Parabolic Reflectors
- Ground Effects on Antennas