Zobrazeno 1 - 10
of 112
pro vyhledávání: '"Achim Dreher"'
Autor:
Veenu Kamra, Achim Dreher
Publikováno v:
IEEE Access, Vol 8, Pp 31444-31452 (2020)
Our main objective is to extend the discrete mode matching (DMM) method to analyze multilayered elliptical fibers or transmission lines with elliptical dielectric layers. We generate the formulation for the full-wave equivalent circuit (FWEC) and der
Externí odkaz:
https://doaj.org/article/c4824ec7cef84aa99d40741c7decc7b6
Autor:
Achim Dreher, Veenu Kamra
In this article, the discrete mode matching (DMM) method is extended to characterize multilayered transmission line structures with inhomogeneous anisotropic dielectric layers using only 1-D discretization. We have thoroughly discussed the procedure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e025897ad41795a2f047f4593e63c9e
https://elib.dlr.de/128027/
https://elib.dlr.de/128027/
Publikováno v:
2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting.
This paper investigates polarization properties of circularly polarized 4x4 patch arrays at Ka-band for classical arrangement and sequential rotation of elements. The investigations are performed for various values of axial ratio of array elements an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eeac1b9ec26aa0dabdab32bdf78f175c
https://doi.org/10.1109/apusncursinrsm.2019.8889207
https://doi.org/10.1109/apusncursinrsm.2019.8889207
Autor:
Achim Dreher, Veenu Kamra
The aim of this paper is to present the extension of the discrete mode matching (DMM) method to analyze multilayered microwave structures with inhomogeneous dielectric layers. The structures with lossy and/or anisotropic (both electric and magnetic)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b4d80915b9cdb3a3468dade6a12b2f8
https://elib.dlr.de/124544/
https://elib.dlr.de/124544/
Autor:
Achim Dreher, Veenu Kamra
Our aim with this letter is to exhibit the extension of discrete mode-matching method to analyze multilayered microstrip transmission lines with anisotropic dielectric layers. The mathematical formulation is presented to deal with multilayered struct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24278c05c25900393bbf9f2153176702
https://elib.dlr.de/117725/
https://elib.dlr.de/117725/
Autor:
Veenu Kamra, Achim Dreher
The paper presents the extension of the discrete mode matching (DMM) method to analyze planar microstrip antennas on uniaxial anisotropic substrate. All layers may have both electric and magnetic anisotropies. First, the numerical procedure is presen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d97f5113844f6d305450d799c5e11c34
https://elib.dlr.de/114645/
https://elib.dlr.de/114645/
Autor:
Veenu Kamra, Achim Dreher
The objective of this paper is to present the extension of the discrete mode matching method (DMM) for the analysis of microstrip patch antennas on metamaterial substrate. The procedure to deal with multiple metallizations in the interfaces of the mu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0da8c36af6349f7122323f180c3e545f
https://elib.dlr.de/118363/
https://elib.dlr.de/118363/
Autor:
Andreas Winterstein, Achim Dreher
Self-tracking receivers have been suggested for satellite and mobile communication applications. In this paper, we propose and demonstrate an array receiver (Rx) architecture based on phase-locked loops. The system is capable of automatically trackin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2bcea435666ebebc3b9fa4555044bfce
https://elib.dlr.de/112945/
https://elib.dlr.de/112945/
Satellite navigation is finding new applications in safety critical systems such as in aviation where it is proposed for approach and landing of aircraft. These new applications place strict requirements regarding position accuracy and system availab
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e70890a1f85756e2e213ad7af7f63f7
https://elib.dlr.de/118899/
https://elib.dlr.de/118899/
Publikováno v:
IEEE Antennas and Propagation Magazine. 56:178-187
SEQAR is a MATLAB-based software tool for the design and analysis of conformal antenna arrays of any type. It uses complex single-element radiation patterns, simulated in commercial electronic design automation (EDA) programs or taken from measuremen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3125a4387f595d747922abe3ec30e47
https://doi.org/10.1109/map.2014.6931683
https://doi.org/10.1109/map.2014.6931683