Basic Radiators and Feed Methods

Basic Radiators and Feed Methods

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The preceding chapters have been largely groundwork, covering principles, concepts, and terminology, as well as some basic antenna theory. It is now possible to discuss specific antennas.

Chapter Contents:

  • 4.1 Short Dipoles
  • 4.1.1 Dipole Radiation
  • 4.1.2 Pattern of an Elemental Dipole
  • 4.1.3 Radiation Resistance
  • 4.1.4 Directivity
  • 4.1.5 Beamwidth
  • 4.1.6 Input Impedance
  • 4.1.7 Short Dipole with Nonuniform Current Distribution
  • 4.1.8 Short Vertical Antenna with Ground Image
  • 4.1.9 Top-Loaded Antenna
  • 4.2 Current and Voltage in Longer Antennas
  • 4.3 The Half-Wave Dipole
  • 4.4 Long-Wire Antennas
  • 4.4.1 Patterns of Resonant Antennas
  • 4.4.2 Radiation Resistance and Directivity
  • 4.4.3 Patterns of Nonresonant Antennas
  • 4.4.4 Polarization
  • 4.4.5 Effect of the Ground and Other Factors
  • 4.4.6 Uses of Long-Wire Antennas
  • 4.5 Loop Antennas
  • 4.5.1 The Small Loop
  • 4.5.2 Other Loop Antennas
  • 4.6 Helical Antennas
  • 4.7 Horn Radiators
  • 4.8 Slot Radiators
  • 4.9 Patch or Microstrip Antennas
  • 4.10 Surface-Wave and Leaky-Wave Antennas
  • 4.11 Basic Feed Methods
  • References
  • Problems and Exercises

Inspec keywords: antenna radiation patterns; antenna theory; antenna feeds; dipole antennas

Other keywords: basic radiators; feed methods; antenna theory

Subjects: Single antennas; Antenna accessories; Antenna theory

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