EXAMPLES

Some snapshots of the AN-SOF simulation capabilities.

In this section, some examples of the AN-SOF simulation capabilities are shown, covering a very wide range of frequencies.

Helix antenna over circular ground plane

                    
Simulation of an axial mode helix antenna over a circular ground plane. The helix is fed at its base by a straight wire with a voltage source operating at 100 MHz. The ground plane is 1 wavelength in diameter. The helix input parameters are the following:

Geometrical Properties:
Start Point: (477, 0, 300) mm
Radius: 477 mm
Pitch: 692 mm
Number of turns: 8
Orientation: Theta = 0º, Phi = 0º
Rotation angle around helix axis: 0º
Cross-section: Circular: Radius = 5 mm
Electrical Poperties:
Segment length / wavelength: 0.1
Number of segments: 80
Resistivity: Copper
Number of sources: 1
Simulation Results:
Input Impedance: 240 + j 75 Ohm
Radiated Power: 1.9 W
Maximum Power Density: 1.63 W/m2
Directivity: 11.5 dBi
       

                         
           

Antenna with grid reflector

        

Simulation of an antenna with a low-windload grid reflector. The reflector size is about 2 x 1 meters and it has the shape of a parabolic cylinder. The operating frequency is 350 MHz. The total number of unknown currents is 220.

Simulation Results:
Input Impedance: 40 + j 16 Ohm
Radiated Power: 10.9 W
Maximum Power Density: 9 W/m2
Directivity: 10.5 dBi

 
Yagi-Uda Antenna
Yagi-Uda antenna with 7 elements at 300 MHz.
 
                   
    

Yagi-Uda Antenna with folded dipole
Yagi-Uda antenna with 5 elements and a folded dipole as the source. The frequency is 300 MHz.