getLowPassLocs

Feeding location to operate birdcage as lowpass coil

collapse all in page

Syntax

getLowPassLocs(birdcageantenna)

Description

getLowPassLocs(birdcageantenna) returns all the feed locations on the birdcage to operate the antenna as a lowpass coil. The feeding locations are located in the center of the rungs. Use this function to find the FeedLocations property value for birdcage.

example

Examples

collapse all

Open Live Script
b = birdcage;
b.FeedLocations = getLowPassLocs(b)
b = 
  birdcage with properties:

         NumRungs: 16
       CoilRadius: 0.4000
       CoilHeight: 0.0400
       RungHeight: 0.4600
     ShieldRadius: 0
     ShieldHeight: 0
          Phantom: []
    FeedLocations: [16×3 double]
      FeedVoltage: 1
        FeedPhase: 0
        Conductor: [1×1 metal]
             Tilt: 0
         TiltAxis: [1 0 0]
             Load: [1×1 lumpedElement]


show(b)

Figure contains an axes object. The axes object with title birdcage antenna element, xlabel x (mm), ylabel y (mm) contains 18 objects of type patch, surface. These objects represent PEC, feed.

Input Arguments

collapse all

Birdcage antenna, specified as an object.

Example: b = birdcage b.FeedLocations = getLowPassLocs(b)

Version History

Introduced in R2017b