Items where Author is Helszajn, Joe
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Goussetis, George and Budimir, Djuradj and Helszajn, Joe (2001) Upper and lower bounds of 180 degree unit element of a ridge waveguide: calculations and measurements. Microwave & Optical Technology Letters, 31 (4). pp. 260-261. ISSN 0895-2477
Casanueva, J.A. and Mediavilla, A. and McKay, M. and Caplin, M. and Budimir, Djuradj and Pereda, J.A. and Helszajn, Joe (2002) Characteristic impedance in triple ridge waveguide. Microwave Engineering Europe . pp. 25-30. ISSN 1474-9203