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A Hybrid Algorithm Based on a Modified Sine Cosine Algorithm and Least Square and Its Application to Microwave Imaging

期刊: INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2021; 2021 ()

With the rapid development of materials science and medical imaging technology, traditional optimization algorithms cannot solve the problem of invers......

Channel Measurement for Multiple Frequency Bands in Subway Tunnel Scenario

期刊: INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2021; 2021 ()

In next-generation radio communication systems, the use of higher frequency bands and the massive multiple-input-multiple-output (MIMO) systems has tu......

Radar Working State Recognition Based on Improved HPSO-BP

期刊: INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2021; 2021 ()

In this paper, a recognition model based on the improved hybrid particle swarm optimisation (HPSO) optimised backpropagation network (BP) is proposed ......

Approximate Calculation and Feature Analysis of Electric Field in Space by Thunderclouds

期刊: INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2021; 2021 ()

The calculation of electric field in space excited by thunderclouds is an important basis for lightning warning and protection. In numerical calculati......

A Novel Miniaturized Four-Ridged Horn Antenna with Enhanced Gain

期刊: INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2021; 2021 ()

Miniaturization of wideband antennas has attracted much attention for its wide application in modern society. This article proposes a novel broadband ......

Design of Window Grille Shape-Based Multiband Antenna for Mobile Terminals

期刊: INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2021; 2021 ()

Combined with the classic Chinese window grille structure, this paper proposes and designs a multiband microstrip antenna that can be used in wireless......

A New Wideband Circularly Polarized Dielectric Resonator Antenna Loaded with Strips

期刊: INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2021; 2021 ()

This paper proposes a novel wideband circularly polarized (CP) dielectric resonator antenna (DRA) loaded with strips. The CP DRA comprises a circular ......

Fast DOA Estimation Based on the Transform Domain Weighted Noise Subspace Fitting Algorithm for Generalized Sparse Array

期刊: INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2021; 2021 ()

Compared with uniform arrays, a generalized sparse array (GSA) can obtain larger array aperture because of its larger element spacing, which improves ......

"Unconventionally Shaped" Antenna Design for UHF RFID Tags

期刊: INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2021; 2021 ()

UHF RFID tags need to be attached or embedded into various objects. Unlike traditional free-standing antennas, UHF antenna shapes and form factors may......

2D-DOA Estimation for EMVS Array with Nonuniform Noise

期刊: INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2021; 2021 ()

Electromagnetic vector sensor (EMVS) array is one of the most potential arrays for future wireless communications and radars because it is capable of ......

Design of Planar Microstrip Ultrawideband Circularly Polarized Antenna Loaded by Annular-Ring Slot

期刊: INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2021; 2021 ()

A miniaturized planar microstrip circularly polarized ultrawideband (UWB) antenna loaded by annular-ring slot is proposed and implemented in the paper......

Single-Arm Archimedean Spiral Antenna with Broadband Circular Polarization

期刊: INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2021; 2021 ()

In this paper, a single-arm Archimedean spiral (SAAS) antenna with broadband circular polarization is investigated. Unlike traditional single-arm Arch......

Fast Synthesis Method for Large Aperture Array Pattern in the Presence of Array Errors

期刊: INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2021; 2021 ()

In this paper, an improved array synthesis method with array errors is proposed for large aperture arrays. Because of the array errors such as amplitu......

A Series of Frequency Shift Antennas Based on Shape Blending

期刊: INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2021; 2021 ()

In this paper, an automatic antenna design method based on the shape blending algorithm is proposed. The algorithm is used to construct the shape of t......

Bandwidth Enhancement of a Microstrip-Line-Fed Printed Rotated Wide-Slot Antenna Based on Self-Shape Blending Algorithm

期刊: INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2021; 2021 ()

This paper proposes a self-shape blending algorithm to improve antenna bandwidth. A printed antenna is designed for bandwidth enhancement based on the......

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