The translational addition theorems for the spherical scalar and vector wave functions are derived in a novel, unified way based on the simple and well-known concepts of the radiation and incoming wave patterns. This approach makes the derivation simpler and more transparent compared to the previous approaches. As a result, we also obtain alternative and partly simpler expressions for the translation coefficients in the vector case.
|Pages (from-to)||79 - 99|
|Number of pages||21|
|Journal||Progress In Electromagnetics Research B|
|Publication status||Published - 2008|
|MoE publication type||A1 Journal article-refereed|