AUTHOR=Yan Zhuoying , Zhong Weiye , Ma Jia , Zhang Hui , Zhang Chao , Pu Zhengwei , Wang Junzhi 

TITLE=Design of an eight-hole directional coupler for W-band cryogenic receivers

JOURNAL=Frontiers in Astronomy and Space Sciences

VOLUME=12

YEAR=2025

URL=https://www.frontiersin.org/journals/astronomy-and-space-sciences/articles/10.3389/fspas.2025.1538558

DOI=10.3389/fspas.2025.1538558

ISSN=2296-987X