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Assign Excitation
HFSS Transient Excitations
You can assign the following types of excitation. For HFSS Transient designs, the properties for each excitation include a Transient tab, enabling you to designate each excitation as Active or Passive.
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Wave Port |
Represents the external surface through which a signal enters or exits the geometry. It is effectively a semi-infinite waveguide attached to the model. This waveguide has the same cross-section and material properties as the port. Wave ports are placed on this interface to provide a means to link the model device to the external world. |
Lumped Port |
Represents an internal surface through which a signal enters or exits the device. It is effectively a lumped element for exciting the device and measuring the S-parameters. |
Terminal |
A terminal is defined by one or more conductors in contact with the port. HFSS treats microwave structures as a black box that may have one or more terminals, each of which contains a voltage/current pair. Terminals are assigned either manually or automatically. |
Plane Wave |
Represents a wave that propagates in one direction and is uniform in the directions perpendicular to that of its propagation. |
Voltage Source |
Represents a constant electric field across feed points. |
Current Source |
Represents a constant electric current across feed points. |
Related Topics
Technical Notes: Excitations in the Time Domain
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