---
+ Post New Thread
Results 1 to 4 of 4
  1. #1
    Newbie level 1
    Points: 486, Level: 4

    Join Date
    Mar 2010
    Posts
    1
    Helped
    0 / 0
    Points
    486
    Level
    4

    Radiated power per unit Solid Angle

    Hi All
    can somebody define what is meant by the "Radiated power per unit Solid Angle"? First define what is Solid Angle? i dont understand that.
    thnkx

    •   Alt26th March 2010, 23:11

      advertising

        
       

  2. #2
    FvM
    FvM is offline
    Super Moderator
    Points: 171,595, Level: 98
    Awards:
    1st Helpful Member

    Join Date
    Jan 2008
    Location
    Bochum, Germany
    Posts
    27,398
    Helped
    8656 / 8656
    Points
    171,595
    Level
    98

    Radiated power per unit Solid Angle

    It's a technical term in geometry. (The german term is Raumwinkel). It's related to sphere surface. Consult a mathematics or optics handbook.



    •   Alt27th March 2010, 00:49

      advertising

        
       

  3. #3
    Advanced Member level 5
    Points: 30,762, Level: 42

    Join Date
    Dec 2004
    Location
    New England, USA
    Posts
    4,109
    Helped
    1128 / 1128
    Points
    30,762
    Level
    42

    Re: Radiated power per unit Solid Angle




    •   Alt27th March 2010, 13:26

      advertising

        
       

  4. #4
    Junior Member level 1
    Points: 591, Level: 5

    Join Date
    Mar 2010
    Location
    India
    Posts
    17
    Helped
    0 / 0
    Points
    591
    Level
    5

    Re: Radiated power per unit Solid Angle

    Hi,
    Solid angle is the spatial angle. It is different from the planar angle. An example is the angle at the vertex of a cone. An antenna radiates energy in a solid angle defined by the azimuth angle and elevation angle. Mathematically, the value of solid angle can vary from 0 to 4Pi.

    Imagine that a power 'P' Watts is fed to an antenna whose radiation pattern has a solid angle of Φ. Then the average radiated power per unit solid angle is P/Φ. In general, the radiated power per unit solid angle at any point in space will be a function of the direction of that point in terms of azimuth angle and the elevation angle.

    Hope this helps.



+ Post New Thread
Please login