Research on a Novel Bilayer Substrate Butler Matrix
DING Ke-jia;HE Fei;LV Shan-wei;XIONG Xiao-jun
JOURNAL OF ASTRONAUTIC METROLOGY AND MEASUREMENT . 2013, (1): 4 -9 .  DOI: 10.12060/j.issn.1000-7202.2013.01.02