Effects of dielectrics and internal resonances on modal analysis of terminal chassis
(2016) 10th European Conference on Antennas and Propagation, 2016- Abstract
- The symmetric PMCHWT method of moments (MoM) impedance matrix allows for the characteristic modes (CMs) of a structure containing dielectric to be found. Recently, this impedance matrix was proven to provide non-real solutions which can be attributed to the MoM internal resonance problem. These internal resonances can be removed through different CM post-processing techniques. However, these studies focus on dielectric structures, whereas the majority of antennas utilize electric conductors as the radiators. As such, dielectrics are often neglected to simplify the CM analysis and hence the problem of internal resonance is overlooked. This work explores the extent of the internal resonance problem in mixed conductor-dielectric structures.... (More)
- The symmetric PMCHWT method of moments (MoM) impedance matrix allows for the characteristic modes (CMs) of a structure containing dielectric to be found. Recently, this impedance matrix was proven to provide non-real solutions which can be attributed to the MoM internal resonance problem. These internal resonances can be removed through different CM post-processing techniques. However, these studies focus on dielectric structures, whereas the majority of antennas utilize electric conductors as the radiators. As such, dielectrics are often neglected to simplify the CM analysis and hence the problem of internal resonance is overlooked. This work explores the extent of the internal resonance problem in mixed conductor-dielectric structures. The results reveal that the problem is severe even when the structures only contain small amounts of dielectric materials. Moreover, the significant impact of dielectrics on CMs reveals that dielectrics should be included in CM analysis to ensure high accuracy. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/8837525
- author
- Miers, Zachary T. LU and Lau, Buon Kiong LU
- organization
- publishing date
- 2016-05-31
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- keywords
- dielectric material, method of moments, terminal antennas, Theory of Characteristic Modes
- host publication
- 2016 10th European Conference on Antennas and Propagation, EuCAP 2016
- article number
- 7481130
- pages
- 5 pages
- publisher
- IEEE - Institute of Electrical and Electronics Engineers Inc.
- conference name
- 10th European Conference on Antennas and Propagation, 2016
- conference location
- Davos, Switzerland
- conference dates
- 2016-04-10 - 2016-04-15
- external identifiers
-
- scopus:84979223397
- ISBN
- 9788890701863
- DOI
- 10.1109/EuCAP.2016.7481130
- project
- Systematic Antenna Design Using the Theory of Characteristic Modes
- EIT_Optantsys Novel Antenna System Design Paradigm for High Performance Mobile Communications
- language
- English
- LU publication?
- yes
- id
- e8cc5c87-3bc7-4009-9b4d-74f4b2724b78 (old id 8837525)
- date added to LUP
- 2016-04-04 13:43:52
- date last changed
- 2022-01-30 17:48:34
@inproceedings{e8cc5c87-3bc7-4009-9b4d-74f4b2724b78, abstract = {{The symmetric PMCHWT method of moments (MoM) impedance matrix allows for the characteristic modes (CMs) of a structure containing dielectric to be found. Recently, this impedance matrix was proven to provide non-real solutions which can be attributed to the MoM internal resonance problem. These internal resonances can be removed through different CM post-processing techniques. However, these studies focus on dielectric structures, whereas the majority of antennas utilize electric conductors as the radiators. As such, dielectrics are often neglected to simplify the CM analysis and hence the problem of internal resonance is overlooked. This work explores the extent of the internal resonance problem in mixed conductor-dielectric structures. The results reveal that the problem is severe even when the structures only contain small amounts of dielectric materials. Moreover, the significant impact of dielectrics on CMs reveals that dielectrics should be included in CM analysis to ensure high accuracy.}}, author = {{Miers, Zachary T. and Lau, Buon Kiong}}, booktitle = {{2016 10th European Conference on Antennas and Propagation, EuCAP 2016}}, isbn = {{9788890701863}}, keywords = {{dielectric material; method of moments; terminal antennas; Theory of Characteristic Modes}}, language = {{eng}}, month = {{05}}, publisher = {{IEEE - Institute of Electrical and Electronics Engineers Inc.}}, title = {{Effects of dielectrics and internal resonances on modal analysis of terminal chassis}}, url = {{https://lup.lub.lu.se/search/files/42805382/zach_lau_eucap2016.pdf}}, doi = {{10.1109/EuCAP.2016.7481130}}, year = {{2016}}, }