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2. Microstrip antenna - Wikipedia

   en.wikipedia.org/wiki/Microstrip_antenna

   A microstrip antenna array for a satellite television receiver Diagram of the feed structure of a microstrip antenna array. In telecommunication, a microstrip antenna (also known as a printed antenna) usually is an antenna fabricated using photolithographic techniques on a printed circuit board (PCB). [1] It is a kind of internal antenna.

3. Defected ground structure - Wikipedia

   en.wikipedia.org/wiki/Defected_ground_structure

   A new concept of its application to microstrip antenna was first reported in 2005 by Guha et al. [4] The main focus was to suppress the cross-polarized radiations in a circular microstrip patch. DGS was strategically used to weaken the cross-pol generating higher-order TM 21 mode.

4. File:Antenna Theory.pdf - Wikipedia

   en.wikipedia.org/wiki/File:Antenna_Theory.pdf

   You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses ...

5. Patch antenna - Wikipedia

   en.wikipedia.org/wiki/Patch_antenna

   A patch antenna is a type of antenna with a low profile, usually consisting of a printed circuit board. It consists of a planar rectangular or circular sheet or "patch" of metal, mounted over a larger sheet of metal called a ground plane. It is the original type of microstrip antenna described by Howell in 1972. [1]

6. Vivaldi antenna - Wikipedia

   en.wikipedia.org/wiki/Vivaldi_antenna

   A Vivaldi antenna or Vivaldi aerial [1] or tapered slot antenna [2] is a co-planar broadband-antenna, which can be made from a solid piece of sheet metal, a printed circuit board, or from a dielectric plate metalized on one or both sides. Patterned Vivaldi antenna, made from double-sided printed circuit board material

7. Antenna array - Wikipedia

   en.wikipedia.org/wiki/Antenna_array

   An antenna array (or array antenna) is a set of multiple connected antennas which work together as a single antenna, to transmit or receive radio waves. [ 1 ] : p.149 [ 2 ] The individual antennas (called elements ) are usually connected to a single receiver or transmitter by feedlines that feed the power to the elements in a specific phase ...

8. Metamaterial antenna - Wikipedia

   en.wikipedia.org/wiki/Metamaterial_antenna

   Antenna designs incorporating metamaterials can step-up the antenna's radiated power. Conventional antennas that are very small compared to the wavelength reflect most of the signal back to the source. A metamaterial antenna behaves as if it were much larger than its actual size, because its novel structure stores and re-radiates energy.

9. Fractal antenna - Wikipedia

   en.wikipedia.org/wiki/Fractal_antenna

   A fractal antenna is an antenna that uses a fractal, self-similar design to maximize the effective length, or increase the perimeter (on inside sections or the outer structure), of material that can receive or transmit electromagnetic radiation within a given total surface area or volume.