A very efficient hybrid PO-MoM method has been presented. In contrast to existing methods, the present solution employs higher-order hierarchical basis functions to discretize the MoM and PO currents. This allows to reduce the number of basis functions in both the PO and MoM regions considerably which implies a very modest memory requirement. Nevertheless, the hierarchical feature of the basis functions maintains the ability to treat small geometrical details efficiently. In addition, the scatterer is modelled with higher-order curved patches which allows accurate modelling of curved surfaces with a low number of patches. A numerical result for an offset shaped reflector antenna illustrated the accuracy of the method.
|Title of host publication||2003 IEEE International Antennas and Propagation Symposium|
|Publication status||Published - 2003|
|Event||2003 IEEE Antennas and Propagation Society International Symposium - Columbus, United States|
Duration: 22 Jun 2003 → 27 Jun 2003
|Conference||2003 IEEE Antennas and Propagation Society International Symposium|
|Period||22/06/2003 → 27/06/2003|