Search Results - "Eibert, Thomas F"

A Dual-Band Metasheet for Asymmetric Microwave Transmission With Polarization Conversion by Khan, Safiullah, Eibert, Thomas F.

“…A metamaterial-based planar polarization conversion screen is designed by exploiting the mutual interactions between two distinct types of resonators. The…”
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Accuracy Analysis of Div-Conforming Hierarchical Higher-Order Discretization Schemes for the Magnetic Field Integral Equation by Kornprobst, Jonas, Eibert, Thomas F.

“…The magnetic field surface integral equation for perfect electrically conducting scatterers suffers from accuracy problems when discretized with lowest-order…”
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Multiple-Frequency Preconditioned Iterative Inverse Source Solutions by Eibert, Thomas F.

“…Inverse source formulations relate unknown equivalent radiation sources to given field observations, which are commonly obtained from measurements. After…”
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On the Minimum Number of Samples for Sparse Recovery in Spherical Antenna Near-Field Measurements by Hofmann, Bernd, Neitz, Ole, Eibert, Thomas F.

“…A thorough picture is presented on the capability of compressed sensing to reduce the number of measurement samples that are required for a near-field to…”
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Fully Probe-Corrected Near-Field Far-Field Transformation Employing Plane Wave Expansion and Diagonal Translation Operators by Schmidt, C.H., Leibfritz, M.M., Eibert, T.F.

“…Near-field antenna measurements combined with a near-field far-field transformation are an established antenna characterization technique. The approach avoids…”
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A Balanced Impulse Radiating Omnidirectional Ultrawideband Stacked Biconical Antenna by Rostomyan, Narek, Ott, Arndt T., Blech, Marcel D., Brem, Robert, Eisner, Christoph J., Eibert, Thomas F.

“…A compact symmetric discone antenna for the 3 GHz to 20 GHz frequency range is demonstrated. The antenna design is optimized for a good transient response with…”
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A Multifunctional Metamaterial-Based Dual-Band Isotropic Frequency-Selective Surface by Khan, Safiullah, Eibert, Thomas F.

“…A novel design of a thin isotropic frequency-selective surface (FSS) composed of a subwavelength electromagnetic metamaterial structure is proposed and its…”
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Fully Probe-Corrected Near-Field Far-Field Transformations With Unknown Probe Antennas by Paulus, Alexander, Eibert, Thomas F.

“…According to the electromagnetic uniqueness theorem, the radiation behavior of an antenna under test (AUT) can be recovered from measurements of two tangential…”
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Reply to the Comments on "Some Excitation Independent Bounds for the Total Active Reflection Coefficient of Antenna Arrays" by Moradi, Sina, Honarbakhsh, Babak, Eibert, Thomas F.

“…The Total Active Reflection Coefficient (TARC) is an important parameter towards the characterization of antenna arrays. Dependent on the problem at hand, it…”
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Explicit Conversion Formulas Between Spherical Wave Expansions With Scalar and Vector Expansion Coefficients by Knapp, Josef, Eibert, Thomas F.

“…Explicit formulas for converting spherical wave expansions with vector basis functions and scalar expansion coefficients into spherical wave expansions with…”
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Some Excitation Independent Bounds for the Total Active Reflection Coefficient of Antenna Arrays by Moradi, Sina, Honarbakhsh, Babak, Eibert, Thomas F.

“…The total active reflection coefficient (TARC) is a key parameter in the characterization of multiport antenna arrays used in multiple-input multiple-output…”
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Reconstruction of Squared Field Magnitudes and Relative Phases From Magnitude-Only Near-Field Measurements by Knapp, Josef, Paulus, Alexander, Eibert, Thomas F.

“…An optimization-free method is presented for the retrieval of the individual phases of phaseless antenna measurements in the near-field (NF) zone of an antenna…”
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A mm-Wave Patch Antenna with Broad Bandwidth and a Wide Angular Range by Kornprobst, Jonas, Kun Wang, Hamberger, Gerhard, Eibert, Thomas F.

“…A novel mm-wave microstrip-fed patch antenna with broad bandwidth and wide angular coverage suitable for integration in planar arrays is designed, analyzed,…”
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A Coupled-Cavity Resonator Technique for Simultaneous Sensing of Dielectric Load and Position of Continuous Material Streams by Faz, Usman, Eibert, Thomas F.

“…An electromagnetic coupled-cavity resonator equipped with permanent insertion holes and designed to sense continuous dielectric material streams through the…”
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Wireless Non-Destructive Moisture Content Characterization of Trees by Highly-Sensitive Compact Resonating Probes by Ozbey, Burak, Eibert, Thomas F.

“…Monitoring the moisture content (MC) of trees and plants by a non-destructive and wireless methodology is an essential effort towards the early diagnostics and…”
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An Accurate Low-Order Discretization Scheme for the Identity Operator in the Magnetic Field and Combined Field Integral Equations by Kornprobst, Jonas, Eibert, Thomas F.

“…A new low-order discretization scheme for the identity operator in the magnetic field integral equation (MFIE) is discussed. Its concept is derived from the…”
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A Multiple Huygens Surface-Based Ray Tracing Framework With GPU Acceleration by Na, Han, Taygur, Mehmet M., Eibert, Thomas F.

“…A ray tracing framework based on the utilization of multiple Huygens surfaces is introduced and evaluated. As such, complex propagation environments are…”
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Near-Field Antenna Pattern Measurements in Highly Reflective Environments by Knapp, Josef, Eibert, Thomas F.

“…The far-field pattern of an antenna under test is determined from the near-field measurements in a highly reflective environment. The proposed post-processing…”
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A Ray-Tracing Algorithm Based on the Computation of (Exact) Ray Paths With Bidirectional Ray-Tracing by Taygur, Mehmet Mert, Eibert, Thomas F.

“…A novel ray-tracing algorithm to cope with the phase errors due to incorrect ray path computations in ray-launching approaches is presented. The algorithm…”
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Reliable Linearized Phase Retrieval for Near-Field Antenna Measurements With Truncated Measurement Surfaces by Paulus, Alexander, Knapp, Josef, Kornprobst, Jonas, Eibert, Thomas F.

“…Most methods tackling the phase retrieval problem of magnitude-only antenna measurements suffer from unrealistic sampling requirements, from unfeasible…”
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