Antennas 6.2.10

8.2.1. Biconical

This section explains how to create a biconical antenna.

When the option is selected, the next panel and a previsualization of the antenna with the parameters on the panel are displayed.

Biconical panel

  • Position: set the cartesian coordinates for the position of the antenna. For the antenna, the user can select the position with the mouse, selecting the 'Pick' checkbox and clicking any point in the geometry panel.
  • Radius: set the values for the radius of the conical geometries of the antenna.
  • Other Params: set the value for the height of the conical geometries of the antenna. Selecting the 'Cover' option, the caps in both ends of the antenna geometry will be created.

For each modification on parameters panel, this previsualization will be updated for the new parameters.

Biconical previsualization

Clicking on 'Add' button, the current previsualization turns on the final visualization for the antenna with a red dashed line for the coaxial feed.

Biconical visualization

8.2.2.1. Simple Blade

This section explains how to create a simple blade.

When the option is selected, the following panel and a previsualization of the antenna with the parameters on the panel are displayed.

Blade_Panel

Simple Blade Panel

  • Position: sets the cartesian coordinates for the position of the antenna. For the antenna, the user can select the position with the mouse, selecting the "Pick" checkbox and clicking any point in the geometry panel.
  • Dimensions: sets the height (h) and the width (w) of the antenna, the lower angles of the blade (Angle1 and Angle2), and the dimensions of the coaxial feed: the height (fh), the base width (wb), the top width (wt) and the depth (fd).

For each modification on parameters panel, this previsualization will be updated for the new parameters.

Blade_Previsualization

Simple Blade previsualization

Clicking on 'Add' button, the current previsualization turns on the final visualization for the antenna with a red dashed line for the coaxial feed.

Note that this antenna should be placed on a metallic ground plane to provide a good performance as shown in the below figure. The ground plane surface must be attached below the antenna, with no gap between them.

Blade+Ground_Plane

Simple Blade with ground plane visualization

 

8.2.3. Dipole

This section explains how to add a coaxial feed dipole.

When the option is selected, the next panel and a previsualization of the antenna with the parameters on the panel are displayed.

Coaxial Dipole panel

  • Position: set the cartesian coordinates for the position of the antenna/dipole. For the antenna, the user can select the position with the mouse, selecting the "Pick" checkbox and clicking any point in the geometry panel. For the dipoles, these values are relative to the same values defined for the antenna.
  • Size: set the values for size on 'X' and 'Y' axis.

For each modification on parameters panel, this previsualization will be updated for the new parameters.

Coaxial Dipole previsualization

Clicking on the 'Add' button, the final visualization for the antenna with a red dashed line for the coaxial feed will be shown.

Coaxial Dipole visualization

8.2.4.1. Multi-Filar Helix

This section explains how to create a multi-filar helix.

When the option is selected, the next panel and a previsualization of the antenna with the parameters on the panel are displayed.

Multi-Filar Helix panel

  • Position: set the cartesian coordinates for the position of the antenna. For the antenna, the user can select the position with the mouse, selecting the 'Pick' checkbox and clicking any point in the geometry panel.
  • Other Params: set the value for the bottom radius (R), top radius (r) and height for the helix. The width of the strip (w), the number of turns (Turns) and the number of strips (Helixes) will be defined too. RHCP or LCHP selected option will define the polarization and the turn direction.

For each modification on parameters panel, this previsualization will be updated for the new parameters.

Multi-Filar Helix previsualization

Clicking on the 'Add' button, the final visualization for the antenna with a red dashed line for the coaxial feed will be shown.

Note that this antenna should be placed on a metallic ground plane to provide a good performance as shown in the below figure. The ground plane surface must be attached below the antenna, with no gap between them. 

helix antenna with ground plane

Multi-Filar Helix with ground plane visualization

8.2.5. LPDA

This section explains how to create a LPDA antenna.

When the option is selected, the next panel and a previsualization of the antenna with the parameters on the panel are displayed.

LPDA panel

LPDA panel

  • Position: set the cartesian coordinates for the position of the antenna. For the antenna, the user can select the position with the mouse, selecting the 'Pick' checkbox and clicking any point in the geometry panel.
  • Fixed Parameters: set the sigma parameter (Sigma) and the tau parameter (Tau).
  • Optional Parameters: set the number of dipoles (Number of Dipoles), the length of them (Length), the length of the first dipole (First Length) or length of the last dipole (Last Length).

For each modification on parameters panel, this previsualization will be updated for the new parameters.

LPDA previsualization

LPDA previsualization

Clicking on 'Add' button, the final visualization for the antenna with a red dashed line for the coaxial feed is shown.

LPDA visualization

LPDA visualization

8.2.6.1. Circular Spiral

This section explains how to create a circular spiral.

When the option is selected, the next panel and a previsualization of the antenna with the parameters on the panel are displayed.

Circular Spiral panel

  • Position: set the cartesian coordinates for the position of the antenna. For the antenna, user can select the position with the mouse, selecting the 'Pick' checkbox and clicking any point in the geometry panel.
  • Other Params: set the value for the radius (R), the width of the strip (w) and the number of turns (Turns).

For each modification on parameters panel, this previsualization will be updated for the new parameters.

Circular Spiral previsualization

Clicking on 'Add' button, the final visualization for the antenna with a red dashed line for the coaxial feed will be shown.

Circular Spiral visualization

8.2.7.1. Arbitrary Wire

This section explains how to create a arbitrary wire antenna.

When the option is selected, the next panel and a previsualization of the antenna with the parameters on the panel are displayed.

Arbitrary Wire panel

  •  Adds a new row for a new point with default values (0.0, 0.0, 0.0, 0.02).
  •  Delete the selected rows.

For each modification on parameters panel, this previsualization will be updated for the new parameters.

Arbitrary Wire previsualization

Clicking on 'Add' button, the final visualization for the antenna with a red dashed line for the coaxial feed will be shown.

Arbitrary Wire visualization

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