AN EFFECTIVE NF-FF TRANSFORMATION WITH A HYBRID CYLINDRICAL AND BIPOLAR SCANNING F. D’Agostino, F. Ferrara, C. Gennarelli, G. Gennarelli, and R. Guerriero Dipartimento di Ingegneria dell’Informazione ed Ingegneria Elettrica, University of Salerno, via Ponte Don Melillo, I-84084 Fisciano (Salerno), Italy; Corresponding author: gennar@diiie.unisa.it Received 15 July 2008 ABSTRACT: An efficient and innovative near-field-far-field transforma- tion technique with a hybrid cylindrical and bipolar scanning is pro- posed in this article. It allows one to considerably reduce the truncatio = = 772 MICROWAVE AND OPTICAL TECHNOLOGY LETTERS / Vol. 51, No. 3, March 2009 DOI 10.1002/mop