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radiated power dipole antenna

radiated power dipole antenna. H j. E q. I D L. z. . r. y. j. x. far field. far field. The teacher remembers some calculus. H j. z.  1. E q. I D L 2. I D L 1. q. r.  2. y. j. x. x. linear media ==> superposition holds. z. r 1. E q. q 1. I D L 1. r. h. q.

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radiated power dipole antenna

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  1. radiated power dipole antenna

  2. Hj Eq I DL z  r y j x

  3. far field

  4. far field

  5. The teacher remembers some calculus.

  6. Hj z 1 Eq I DL2 I DL1 q r 2 y j x x linear media ==> superposition holds

  7. z r1 Eq q1 I DL1 r h q  r2 h h q2 I DL2 linear media ==> superposition holds

  8. h z r1 Eq q1 h I DL1 r  q r2 q2 I DL2 small changes big changes

  9. h z r1 Eq q1 h I DL1 r  q r2 q2 I DL2

  10. Hj z 1 Eq I DL1 q r 2 y j I DL2 x x linear media ==> superposition holds

  11. z r1 Eq q1 I DL1 r h q  r2 h h q2 I DL2 linear media ==> superposition holds

  12. h z r1 Eq q1 h I DL2 I DL1 r  q r2 q2 small changes big changes

  13. h z r1 Eq q1 h I DL2 I DL1 r  q r2 q2

  14. educated guess list What is this? far field

  15. educated guess list I(z) confined to length of antenna h Imaxat z = 0 Integrable function

  16. q q’ r r’ z’ z method of moments can be used

  17. nonuniform current antenna arrays

  18. z q r

  19. even function

  20. spherical radiator

  21. Pr is power radiated spherically into 4p steradians

  22. Hertzian dipole

  23. z r1 Eq q1 I(0) DL1 r h q  phase r2 h q2 I()DL2 phased array

  24. r1 z Eq q1 r I(0) DL1  h q small changes h r2 q2 I()DL2 phased array

  25. phased array

  26. Movie to illustrate the radiation pattern of a phased array antenna – mpg movie.

  27. x =

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