Helix Antenna

3. Results

Once the simulation process has finished, most of options are enabled within  the results menu.

Click on Show Results -> Far Field menu and View Cuts option. In the figure below, we compare the Total Gain of the only considered far field cut versus all the geometric steps. To do that, select the Gain Lineal -> ETotal Gain component, and then click on Add Series button after selecting every step.

 

Far field cuts for every parametric step

Click on Show Results -> Radiation Pattern menu and View Cuts By Step option. In the next figure, a comparison of a far field direction (obtained from the 3D radiation pattern) versus the parametric step is shown. To do that, select the Circular component, and then click on Add Series button after selecting each component.

 

Far field cuts for every parametric step

To visualize the 3D radiation pattern, click on Show Results -> Radiation Pattern menu and View 3D Pattern option. The diagram of the first parametric step at 800 MHz is depicted in next figure.

 

Far field 3D pattern

The next figure shows the current distribution on the structure at the second parametric step. To visualize it, click on Show Results -> View Currents menu.

 

Current density distribution

The charges density on the structure is represented in next figure. To visualize it, click on Show Results -> View Charges menu. Note that the Enable Filtering has been enabled.

 

Charge density distribution

The next figure shows the near field distribution on the observation plane. To visualize it, click on Show Results -> Near Field menu and select the first option, View Near Field Diagram. Then, select the Step, Frequency and Observation entity in the Near Field 3D panel and click on OK button to open the results. 

 

Near field distribution on the observation plane

The last results represented in this example is the Near field obtained from the observation radial spheres in a near field direction at all the simulated frequencies. To do that, Click on Show Results -> Near Field menu and select the View Radial Points option. To do that, select the Theta and Phi directions, and then click on Add Series button after selecting frequency step.

 

Radial near field comparison at every frequency

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