期刊
RADIO SCIENCE
卷 57, 期 4, 页码 -出版社
AMER GEOPHYSICAL UNION
DOI: 10.1029/2021RS007389
关键词
antenna array mutual coupling; antenna arrays; antennas; array signal processing; dipole antennas; dipole arrays; direction of arrival estimation; directive antennas; electromagnetic coupling; mutual coupling
类别
资金
- National Natural Science Foundation of China [62071018]
This paper presents a new modeling approach to describe the electromagnetic mutual impedance between a pair of crossed dipoles whose relative orientation is not perpendicular. The proposed approach provides simple models parameterized explicitly by the dipoles' skew angle, separation, and common length. The usefulness of these models is illustrated using direction finding as an example.
To model the electromagnetic mutual impedance between a pair of crossed dipoles (a.k.a. cross dipoles) whose relative orientation is skewed (i.e., not perpendicular), this paper advances a new modeling approach - the phenomenological or behavioral approach. This new approach leads to simple models of the mutual impedance, as closed-form expressions parameterized explicitly by the dipoles' (a) skew angle, (b) separation, and (c) common length. This mathematical simplicity is unprecedented in prior models. These models' usefulness is illustrated, using direction finding as an example.
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