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  1. #1
    Member level 2
    Points: 457, Level: 4

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    Aug 2016
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    What are the specifications while using the wave plane excitation?!

    I would like to know while using a plane wave excitation should I make any specifications other then the direction and polarization such as specifying the origin of the wave. My question rose up when I was using Feko plane wave excitation and the software showed the following figure which seemed to me as if there is a specification on the origin that I don't know. Hope you could help!

    Thank You!

    Click image for larger version. 

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    •   Alt11th January 2017, 11:21



  2. #2
    Junior Member level 3
    Points: 348, Level: 3

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    Re: What are the specifications while using the wave plane excitation?!

    Plane wave source

    All other sources will also be considered active during the computations for each plane wave
    incident direction.The preview indicates the polarisation of the
    E-field (green arrow) and the direction of propagation of the plane wave (blue arrow) for each
    of the defined incident directions. Once the field is created, the E-field polarisation is depicted
    by a red arrow.
    The plane wave source has two modes of operation namely Single incident wave and Loop over
    multiple directions.

    Single incident wave:

    If Single incident wave is selected, a single plane wave is added to the existing
    sources. Multiple Single incident wave sources can be added to create specific field distributions.

    Loop over multiple directions:

    If Loop over multiple directions is selected, FEKO calculates a solution
    for each specified direction of incidence. The incident direction is specified in a spherical
    coordinate system, in terms of the angles  and  (in degrees). The user must specify
    the Start angle, End angle and angle Increment for each angular coordinate. CADFEKO
    calculates and displays the resulting number of incident directions.

    Polarisation angle: Polarisation angle specifies the angle , in degrees.For elliptical polarisation the Ellipticity
    must be larger than 0 (linear polarisation) and smaller than or equal to 1 (circular polarisation).

    For detailed explanation you can go through the user manual in FEKO.

    1 members found this post helpful.

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