Modal Proportion Analysis in Antenna Characteristic Mode Theory
Joint Authors
Li, Weiwen
Liu, Yongcong
Li, Jie
Ye, Longfang
Liu, Qing Huo
Source
International Journal of Antennas and Propagation
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-02-13
Country of Publication
Egypt
No. of Pages
10
Main Subjects
Abstract EN
The characteristic mode theory (CMT) can provide physically intuitive guidance for the analysis and design of antenna structures.
In CMT applications, the antenna current distribution is decomposed into the superposition of multiple characteristic modes, and the proportion of each current mode is characterized by the modal weighting coefficient (MWC).
However, different characteristic currents themselves have different radiation efficiencies reflected by the eigenvalues.
Therefore, from the perspective of the contribution to the radiation field, the modal proportion should be more accurately determined by the combination of the modal weighting coefficient and the mode current itself.
Since the discrete mode currents calculated using the electromagnetic numerical method are distributed on the whole conductor surface, we can actually use the radiation field to quantify the modal proportion or estimate it using the far field in the maximum radiation direction.
The numerical examples provided in the paper demonstrate that this modal proportion can effectively evaluate antenna performance.
American Psychological Association (APA)
Li, Weiwen& Liu, Yongcong& Li, Jie& Ye, Longfang& Liu, Qing Huo. 2019. Modal Proportion Analysis in Antenna Characteristic Mode Theory. International Journal of Antennas and Propagation،Vol. 2019, no. 2019, pp.1-10.
https://search.emarefa.net/detail/BIM-1157754
Modern Language Association (MLA)
Li, Weiwen…[et al.]. Modal Proportion Analysis in Antenna Characteristic Mode Theory. International Journal of Antennas and Propagation No. 2019 (2019), pp.1-10.
https://search.emarefa.net/detail/BIM-1157754
American Medical Association (AMA)
Li, Weiwen& Liu, Yongcong& Li, Jie& Ye, Longfang& Liu, Qing Huo. Modal Proportion Analysis in Antenna Characteristic Mode Theory. International Journal of Antennas and Propagation. 2019. Vol. 2019, no. 2019, pp.1-10.
https://search.emarefa.net/detail/BIM-1157754
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1157754