Fundamentals of Array Antenna

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An array antenna is a very interesting concept to control antenna radiation patterns. By using properly designed array elements, we can design a high gain or beam steering antenna very easily.

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Fundamentals of Array Antenna

  1. 1. Antenna Engineering CHO, Yong Heui Fundamentals of Array Antenna
  2. 2. Array antenna 1. Introduction <ul><li>High gain antenna </li></ul><ul><li>Linear array </li></ul><ul><li>Planar array </li></ul><ul><li>Conformal array: nonplanar surface, aircraft </li></ul><ul><li>Phased array </li></ul>
  3. 3. Microstrip patch antenna 1. Introduction Single patch antenna Linear array: series feeding Planar array: parallel feeding 
  4. 4. Conformal array antenna 1. Introduction Conformal array: microstrip patch and cavity (Alcatel) Spot beam of LEO satellite 
  5. 5. Two-element array 2. Array antenna <ul><li>AF (Array Factor): far field </li></ul>
  6. 6. Array factor 2. Array antenna <ul><li>AF and element factor </li></ul><ul><li>Maximum value of AF: </li></ul>
  7. 7. Active integrated antenna 3. Active antenna
  8. 8. Receiving module for active antenna 3. Active antenna
  9. 9. Self structuring antenna 3. Active antenna

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