@article{
  author = {Ghoorchian, Mahdi, امیری, نسرین},
  title = {Taper Design of Vivaldi Antenna by Butterworth Method},
  journal = {Signal Processing and Renewable Energy},
  year = {2017},
  volume = {1},
  issue = {4},
  pages = {65-69},
  doi = {},
  url = {https://sanad.iau.ir/fa/Article/1055856}
}