Open AccessResearch on dual‐polarisation printed dipole antenna for spherical near‐field measurements
Author(s) -
Zheng Pei,
Liu JiaQi,
Wang ShangYue,
Zhang Ran,
Fan Hu
Publication year - 2019
Publication title -
the journal of engineering
Language(s) - English
Resource type - Journals
ISSN - 2051-3305
DOI - 10.1049/joe.2019.0222
Subject(s) - standing wave ratio , dipole , dipole antenna , optics , physics , radiation pattern , bandwidth (computing) , antenna (radio) , microstrip antenna , telecommunications , computer science , quantum mechanics
Here a dual‐polarisation printed dipole antenna for spherical near‐field measurements is proposed. The printed dipole employs double‐layered structure to obtain low cross‐polarisation and uses irregular patch to get wide bandwidth. Two such dipoles are cross arranged to form a dual‐polarisation dipole antenna. Simulated results show that the bandwidth is over 72% when VSWR is less than 3, the cross‐polarisation ratio is better than 30 dB, the port isolation between two dipoles is better than −26 dB, while good radiation performance is also obtained. All the results above prove that the crossed arrangement structure will not affect the performance of the printed dipole, and the strength of mutual coupling between probes can be neglected.