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Ultrawideband Circularly Polarized Antenna With Shared Semicircular Patches

期刊: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2021; 69 (6)

A low-profile ultrawideband antenna of circular polarization (CP) is proposed in this communication. This antenna consists of two layers of Rogers RT/......

3-D Absorptive Energy-Selective Structures

期刊: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2021; 69 (9)

In this article, an absorptive energy-selective structure (ESS) based on a 3-D structure mounted with p-i-n limiter diodes is proposed for achieving h......

155 GHz Dual-Polarized Fabry-Perot Cavity Antenna Using LTCC-Based Feeding Source and Phase-Shifting Surface

期刊: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2021; 69 (4)

This communication introduces a design of a dual-polarized Fabry-Perot cavity (FPC) antenna operated at the D-band. A novel phase-shifting surface (PS......

Sparse Array Beamforming Design for Coherently Distributed Sources

期刊: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2021; 69 (5)

Recently, nonstructured sparse array designs have attracted wide interest due to their capability of providing optimum performance for environment-dep......

A Frequency-Selective Surface Rasorber Based on Four Functional Layers

期刊: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2021; 69 (5)

In this article, a frequency-selective surface (FSS) rasorber based on four metallic FSS functional layers is proposed. The rasorber consists of two m......

Dual-Band Polarization Conversion Metasurface for RCS Reduction

期刊: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2021; 69 (5)

A linear polarization conversion coding metasurface (MS) is proposed for the radar cross section (RCS) reduction of an object. The designed MS has bot......

Low-Profile Frequency-Reconfigurable Dielectric Patch Antenna and Array Based on New Varactor-Loading Scheme

期刊: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2021; 69 (9)

A novel varactor-loading scheme is proposed for dielectric patch (DP) antenna to design frequency-reconfigurable antenna and array. Benefiting from th......

Parallel Subdomain-Level DGTD Method With Automatic Load Balancing Scheme With Tetrahedral and Hexahedral Elements

期刊: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2021; 69 (4)

In this article, an automatic load balancing method for the parallel subdomain-level discontinuous Galerkin time-domain (DGTD) method has been propose......

Scattering Prediction of Target Above Layered Rough Surface Based on Time-Domain Ray Tracing Modeling

期刊: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2021; 69 (5)

In the past, most of the transient electromagnetic (EM) analyses focused on the scattering from the target. The transient scattering from rough surfac......

A Self-Calibration Method for 5G Full-Digital TDD Beamforming Systems Using an Embedded Transmission Line

期刊: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2021; 69 (5)

In this article, a self-calibration method for 5G full-digital time-division duplexing (TDD) beamforming systems is proposed and demonstrated, includi......

Wideband and High-Gain D-Band Antennas for Next-Generation Short-Distance Wireless Communication Chips

期刊: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2021; 69 (7)

This article presents two kinds of low-cost antennas for D-band short-distance wireless communication applications. Both the antennas are excited by a......

Compact Normal-Mode Hybrid-Helix Antenna and Its Application to Circularly Polarized Yagi Array

期刊: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2021; 69 (9)

This communication presents a compact normal-mode hybrid-helix antenna of circular polarization and its Yagi array configuration. By cascading two typ......

Low-RCS and Wideband Reflectarray Antenna With High Radiation Efficiency

期刊: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2021; 69 (7)

This communication presents a wideband high-efficiency reflectarray antenna with a low radar cross section (RCS) based on metal pillars inserted absor......

Theoretical Analysis on the Absorbing Structures Under Open Boundary Condition

期刊: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2021; 69 (8)

In this article, absorbers with open boundary condition are analyzed theoretically. First, a complex analysis method is used to obtain integrations of......

A Subgridding Unconditionally Stable FETD Method Based on Local Eigenvalue Solution

期刊: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2021; 69 (8)

A subgridding unconditionally stable finite-element time-domain method based on local eigenvalue solution (SUSL-FETD) is proposed to solve multiscale ......

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