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Antenna and Wave Propogation

  1. Mar 30, 2015 #1
    1. The problem statement, all variables and given/known data
    I have attached the photo of the problem below.

    2. Relevant equations


    3. The attempt at a solution
    According to me answer should be (a) but book is giving answer as (d).
     

    Attached Files:

  2. jcsd
  3. Mar 30, 2015 #2

    berkeman

    User Avatar

    Staff: Mentor

    What do they mean by "omnidirectional" here? Like a spherical radiation pattern? Or omnidirectional in the plane that is perpendicular to a dipole antenna?

    I also agree that d is a strange answer, but knowing what they mean by omnidirectional may help...
     
  4. Mar 30, 2015 #3
    L
    Like a spherical radiation pattern.
     
  5. Mar 30, 2015 #4
    I should calculate the array factor correct ? And then from there I should calculate angle for maxima ?
     
  6. Mar 31, 2015 #5
    Help please .
     
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