TY  - JOUR
AU  - Ghoorchian, Mahdi
AU  - امیری, نسرین
TI  - Taper Design of Vivaldi Antenna by Butterworth Method
JO  - Signal Processing and Renewable Energy
VL  - 1
IS  - 4
SP  - 65
EP  - 69
PY  - 2017
DO  - 
ER  -