Search Results - "Shlivinski, Amir"

Beyond the Bode-Fano Bound: Wideband Impedance Matching for Short Pulses Using Temporal Switching of Transmission-Line Parameters by Shlivinski, Amir, Hadad, Yakir

“…Impedance matching is one of the most important practices in wave engineering as it enables one to maximize the power transfer from the signal source to the…”
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Soft Temporal Switching of Transmission Line Parameters: Wave-Field, Energy Balance, and Applications by Hadad, Yakir, Shlivinski, Amir

“…Time-varying guiding structures introduce an additional degree of freedom, besides spatial variation, that enables better control over the guided wave in a…”
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Time-Domain Transfer Coupled Response of Antennas-Reciprocity Theorem Approach by Shlivinski, Amir

“…A complete time-domain network representation of a transmit-receive two-port perfect electric conducting antenna system in an arbitrary distance is presented…”
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Inverse design of ultrawideband one-dimensional metamaterial photonic filters using Riccati equation constrained gradient descent by Silbiger, Ohad, Firestein, Chen, Shlivinski, Amir, Hadad, Yakir

“…One-dimensional photonic wave devices exhibit a pivotal role in wave engineering. Despite their relative simplicity, designing 1D wave devices that implement…”
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Frame-based Gaussian beam summation method: Theory and applications by Lugara, Delphine, Letrou, Christine, Shlivinski, Amir, Heyman, Ehud, Boag, Amir

“…A discrete phase‐space Gaussian beam summation representation for electromagnetic radiation from a planar source is presented. The formulation is based on the…”
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Ultrawideband beam summation algorithms for focusing near curved interfaces by Katsav, Michael, Shlivinski, Amir, Heyman, Ehud

“…Two ultrawideband Gaussian beam summation (UWB‐GBS) algorithms are presented and then explored in the context of calculating UWB focusing by curved interfaces…”
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Back-Propagation and Correlation Imaging Using Phase-Space Gaussian-Beams Processing by Heilpern, Tal, Shlivinski, Amir, Heyman, Ehud

“…We present a beam-based imaging scheme for targets in homogeneous medium whereby the fields of the source and receiver arrays are expanded using special…”
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Efficient analysis of deep high-index-contrast gratings under arbitrary illumination by Motamedi, Nojan, Shlivinski, Amir, Ford, Joseph E, Lomakin, Vitaliy

“…An efficient method for computing the problem of an electromagnetic beam transmission through deep periodic dielectric gratings is presented. In this method…”
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Universal radiation dynamics by temporal transitions in optical waveguides by Shlivinski, Amir, Hadad, Yakir

“…When an excited electromagnetically open optical waveguide goes through a temporal transition of its material properties, it radiates to the ambient…”
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Windowed Radon transform frames by Shlivinski, Amir, Heyman, Ehud

“…Two windowed Radon transform (WRT) frame formulations for the decomposition of band limited functions f ( x ) ∈ L 2 ( R ℓ ) , ℓ = 2 , 3 , are presented. The…”
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Time-Domain Circularly Polarized Antennas by Shlivinski, A.

“…The transient properties of short-pulsed elliptically/ circularly polarized antennas, namely, the transmitting and receiving effective heights, are introduced…”
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Parasitic Element Time-Modulation for Enhanced Effective Inter-Antenna Coupling: Utilization for Improved Gain-Bandwidth by Shlivinski, Amir, Hadad, Yakir

“…Time variation has been recently introduced as an additional degree of freedom for wave engineering, that enables going beyond the performances that are…”
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Time-Modulation as a Vehicle for Bypassing the Gain-Bandwidth bound of Small LTI Antennas by Hadad, Yakir, Shlivinski, Amir

“…The Chu bound, developed under the assumptions of passivity, linearity, and time-invariance sets a lower limit on the quality factor of a small antenna. This…”
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A phase-space beam summation formulation for ultrawide-band radiation by Shlivinski, A., Heyman, E., Boag, A., Letrou, C.

“…A new discrete phase space Gaussian beam (GB) summation representation for ultrawide-band (UWB) radiation from an aperture source distribution is presented…”
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A frame-based approach for wideband correlation-inversion of lossless scatterers by Shlivinski, A.

“…Presented here is an ultra-wideband-correlation-based scheme for imaging and inversion of an unknown weak and lossless scatterer embedded in a known background…”
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Antenna Bandwidth Broadening by Time-Modulation by Hadad, Yakir, Shlivinski, Amir

“…Performance bounds are at the fundamentals of engineering. Specifically, wave devices are bounded by various restrictions such as the Bode-Fano bound on…”
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Optimal Design of Dallenbach Absorbers Under Broadband Broad-Angle Illumination by Firestein, Chen, Shlivinski, Amir, Hadad, Yakir

“…The classical scenario where a \emph{single plane-wave} field impinge a Dallenbach absorber is well studied both theoretically and experimentally. However,…”
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Time domain reciprocity and the transfer response of coupled antennas by Shlivinski, Amir

“…A direct time domain based derivation of the transfer response of two parallel dipole antennas in close proximity is performed by using two types of…”
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UWB Impedance Matching by Temporal Switching by Hadad, Yakir, Shlivinski, Amir

“…We introduce a novel impedance matching paradigm that is based on transmission lines with characteristic parameters, velocity and impedance, that can, at a…”
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Soft Temporal Switching of TL Parameters: Wave-field, Energy Balance, Applications by Hadad, Yakir, Shlivinski, Amir

“…Time-varying guiding structures introduce an additional degree of freedom, besides spatial-variation, that enables better control over the guided wave in a…”
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