Search Results - "Eibert, T. F."

On a refinement-free Calderón multiplicative preconditioner for the electric field integral equation by Adrian, S.B., Andriulli, F.P., Eibert, T.F.

“…We present a Calderón preconditioner for the electric field integral equation (EFIE), which does not require a barycentric refinement of the mesh and which…”
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Fast near-field far-field transformation for phaseless and irregular antenna measurement data by Schnattinger, G, Lopez, C, Kılıç, E, Eibert, T. F

“…The characterization of antenna radiation patterns by transformed near-field measurements requires accurate amplitude and phase data. This represents a problem…”
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Metamaterials for Microwave Radomes and the Concept of a Metaradome: Review of the Literature by Öziş, E., Eibert, T. F., Osipov, A. V.

“…A radome is an integral part of almost every antenna system, protecting antennas and antenna electronics from hostile exterior conditions (humidity, heat,…”
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The effect of near-zone preconditioning on electromagnetic integral equations of first and second kind by Wiedenmann, O, Eibert, T. F

“…The linear equation systems which arise from the discretization of surface integral equations are conveniently solved with iterative methods because of the…”
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Phaseless spherical near-field antenna measurements for low and medium gain antennas by Schmidt, C. H, Razavi, S. F, Eibert, T. F, Rahmat-Samii, Y

“…The characterisation of antenna radiation patterns by measurements in the near-field and a following near-field far-field transformation require accurate…”
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Analytical finite element matrix elements and global matrix assembly for hierarchical 3-D vector basis functions within the hybrid finite element boundary integral method by Li, L, Wang, K, Li, H, Eibert, T. F

“…A hybrid higher-order finite element boundary integral (FE-BI) technique is discussed where the higher-order FE matrix elements are computed by a fully…”
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A fast three-dimensional deterministic ray tracing coverage simulator for a 24 GHz anti-collision radar by Azodi, H, Siart, U, Eibert, T. F

“…A matrix-based approach for implementation of deterministic ray tracing is suggested and presented in this paper. The frequency-independent feature of the ray…”
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Multi-sensor Doppler radar for machine tool collision detection by Wächter, T. J, Siart, U, Eibert, T. F, Bonerz, S

“…Machine damage due to tool collisions is a widespread issue in milling production. These collisions are typically caused by human errors. A solution for this…”
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Local microwave heating of sand molds as a means to overcome design limitations in sand mold casting by Wiedenmann, O, Ramakrishnan, R, Saal, P, Kılıç, E, Siart, U, Eibert, T. F, Volk, W

“…Microwave induced selective heating outmatches conventional mold heating by convective heat transfer in means of energy efficiency and cycle time. Moreover, it…”
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Ray tracing with multi-radiation transmitters by Brem, R, Eibert, T. F

“…A restriction in using electromagnetic ray tracing for field prediction is given by the far-field condition: the results are only valid in the far-field region…”
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Comparison of electromagnetic solvers for antennas mounted on vehicles by Mocker, M S L, Hipp, S, Spinnler, F, Tazi, H, Eibert, T F

“…An electromagnetic solver comparison for various use cases of antennas mounted on vehicles is presented. For this purpose, several modeling approaches, called…”
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A fully probe corrected near-field far-field transformation technique employing plane-wave synthesis by Mauermayer, R. A. M, Eibert, T. F

“…The far-field behavior of an antenna under test (AUT) can be obtained by exciting the AUT with a plane wave. In a measurement, it is sufficient if the plane…”
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Scattering centers modeling of non-anechoic measurement environments by Yinusa, K. A, Schmidt, C. H, Eibert, T. F

“…Near-field measurements are established techniques to obtain the far-field radiation pattern of an Antenna Under Test via near-field measurements and…”
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Leaky wave antenna with amplitude controlled beam steering based on composite right/left-handed transmission lines by EberspÈñcher, M. A, Eibert, T. F

“…An antenna comprising two different composite right/left-handed transmission line structures is proposed which enables easy beam steering at an operation…”
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Analysis and design of a composite left-/right-handed leaky wave antenna based on the H10 rectangular waveguide mode by Weitsch, Y, Eibert, T F

“…The presented "open" composite left-handed/right-handed (CRHLH) substrate integrated waveguide performs well as a low-profile leaky wave antenna. This design…”
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Design and analysis of an isotropic two-dimensional planar Composite Right/Left-Handed waveguide structure by EberspÈñcher, M. A, Bauer, M, Eibert, T. F

“…A two-dimensional isotropic Composite Right/Left-Handed (CRLH) waveguide structure is proposed which is designed for operation in X-band. The balanced…”
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Reconfigurable ultra-wideband transmitter for generation of arbitrary impulse shapes and modulation schemes by Ott, A. T, Eisner, C. J, Blech, M. D, Eibert, T. F

“…In this paper a reconfigurable ultra-wideband (UWB) impulse radio (IR) transmitter is presented. The IR signal is synthesized at an intermediate frequency (IF)…”
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Concept for accelerated ray-based monostatic RCS simulations using bistatic approximations by Buddendick, H, Eibert, T. F

“…An approach enabling accelerated shooting and bouncing rays (SBR) simulations to determine the backscattering properties of electrically large and complex…”
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Performance analysis of a low cost wireless indoor positioning system with distributed antennas by Ott, A. T, Shalaby, M, Siart, U, Kaliyaperumal, E, Eibert, T. F, Engelbrecht, J, Collmann, R

“…In this paper an approach for indoor localization based on already installed communication transceiver infrastructure is presented. Only marginal additional…”
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A reconfigurable software defined ultra-wideband impulse radio transceiver by Blech, M. D, Ott, A. T, Neumeier, P, Möller, M, Eibert, T. F

“…An ultra-wideband (UWB) software defined radio (SDR) implementation is presented. The developed impulse radio (IR) transceiver employs first order bandpass…”
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