IEEE ANTENNAS AND PROPAGATION MAGAZINE 积极征集描述工业、政府和大学中发生的工程活动的专题文章。所有专题文章均需经过同行评审。重点在于为读者提供对特定主题或各种组织正在解决的技术挑战的一般理解，以及它们应对这些挑战的能力。欢迎发表新成果、评论、教程和历史文章的文章，以及描述优秀工程示例的文章。该杂志感兴趣的技术领域与IEEE天线和传播协会相同，包括以下：天线，包括分析、设计、开发、测量和测试；电磁波的辐射、传播以及与离散和连续介质的相互作用；与天线、传播和传感相关的应用和系统，例如应用光学、毫米波和亚毫米波技术、天线信号处理和控制、射电天文学以及地面和天基通信的传播和辐射方面，包括无线、移动、卫星和电信。

The IEEE Antennas and Propagation Magazine actively solicits topical articles that describe engineering activities occurring in industry, government, and academia. All articles undergo peer review. The focus is to provide readers with a general understanding of specific topics and the technical challenges various organizations are addressing, as well as their capabilities in tackling these challenges. Contributions of new results, reviews, tutorials, and historical articles are welcome, along with articles that describe exemplary engineering practices. The technical areas of interest align with those of the IEEE Antennas and Propagation Society, including: antennas, encompassing analysis, design, development, measurement, and testing; radiation and propagation of electromagnetic waves and their interactions with discrete and continuous media; applications and systems related to antennas, propagation, and sensing, such as applications of optics, millimeter-wave, and submillimeter-wave technologies, antenna signal processing and control, radio astronomy, and the propagation and radiation aspects of ground and space-based communications, including wireless, mobile, satellite, and telecommunications.

《IEEE Antennas and Propagation Magazine》积极征集关于工业、政府和大学中工程活动的专题文章，所有文章均需经过同行评审。该杂志旨在为读者提供对特定主题及各种组织所面临的技术挑战的全面理解，以及它们应对这些挑战的能力。欢迎发表新成果、评论、教程和历史文章，以及描述优秀工程示例的文章。该杂志关注的技术领域与IEEE天线和传播协会相同，包括：天线的分析、设计、开发、测量和测试；电磁波的辐射、传播及其与离散和连续介质的相互作用；与天线、传播和传感相关的应用和系统，例如光学、毫米波和亚毫米波技术的应用、天线信号处理与控制、射电天文学，以及地面和天基通信的传播和辐射，包括无线、移动、卫星和电信。

IEEE Antennas and Propagation Magazine

The growing demand for low-profile, efficient compact antennas with reconfigurable characteristics has prompted antenna engineers to use novel materials in place of conventional dielectrics. Magnetodielectric materials combining both dielectric and magnetic properties have been widely investigated. In this article, we present a comprehensive literature study that examines the advantages and limitations of using these materials. We focus primarily on magnetodielectric materials exhibiting anisotropic behavior and tunable permeability by means of physical mechanisms (e.g., by applying an external magnetic field). This article provides theoretical background, modeling guidelines, and a step-by-step simulation procedure, and aims to be a straightforward and useful guide for the development of reconfigurable antennas using magnetic materials. We explain the reasons for selecting ferrimagnetic oxides for antenna applications and discuss their fundamental properties. The critical parameters that should be taken into consideration for the determination of the permeability of ferrimagnetic oxides in various magnetization states are reported. To demonstrate the proper use of this analysis, we have designed, simulated, and implemented a reconfigurable ferrite antenna prototype. The proposed simulated procedure is validated via measurements.

Evmorfili Andreou

Theodore Zervos

Antonis A. Alexandridis

George Fikioris

Magnetodielectric Materials in Antenna Design: Exploring the Potentials for Reconfigurability

天线设计中的磁电介质材料：探索可重构性的潜力

Kwajalein Atoll, resting 9/spl deg/north of the equator and 3,500 km southwest of Hawaii, is the location of the United States Army Kwajalein Missile Range (KMR). KMR assets include a wide variety of radars, optical sensors, telemetry, missile-launch equipment, flight safety, and communications. Its radar suite, in particular, includes several highly sensitive one-of-a-kind systems. The ARPA-Lincoln C-Band Observables Radar (ALCOR) is one of four KMR instrumentation radars located on the island of Roi-Namur. Since ALCOR first began operations in 1970, it has provided C-band beacon and wideband metric and signature observations for a wide variety of range-user requirements. ALCOR has the capability to produce two-dimensional range Doppler images of near-Earth-orbiting and reentering objects. Modifications to ALCOR, its current system architecture, and future direction are described in this paper The authors provide an overview of ALCOR radar waveforms and resolution capabilities. A system description is provided, including the C-band transmitter, receiver, antenna, and digital systems.

R.K. Avent

J.D. Shelton

P. Brown

The ALCOR C-band imaging radar

ALCOR C波段成像雷达

Recent efforts by several researchers around the world to combine fractal geometry with electromagnetic theory have led to a plethora of new and innovative antenna designs. In this report, we provide a comprehensive overview of recent developments in the rapidly growing field of fractal antenna engineering. Fractal antenna engineering research has been primarily focused in two areas: the first deals with the analysis and design of fractal antenna elements, and the second concerns the application of fractal concepts to the design of antenna arrays. Fractals have no characteristic size, and are generally composed of many copies of themselves at different scales. These unique properties of fractals have been exploited in order to develop a new class of antenna-element designs that are multi-band and/or compact in size. On the other hand, fractal arrays are a subset of thinned arrays, and have been shown to possess several highly desirable properties, including multi-band performance, low sidelobe levels, and the ability to develop rapid beamforming algorithms based on the recursive nature of fractals. Fractal elements and arrays are also ideal candidates for use in reconfigurable systems. Finally, we provide a brief summary of recent work in the related area of fractal frequency-selective surfaces.

D.H. Wqrner

S. Ganguly

IEEE Antennas Propag. Mag.

An overview of fractal antenna engineering research

分形天线工程研究综述

As the growing demand for mobile communications constantly increases, the need for better coverage, improved capacity, and higher transmission quality rises. Thus, a more efficient use of the radio spectrum is required. Small antenna systems are capable of efficiently utilizing the radio spectrum and, thus, hold a promise for an effective solution to the present wireless systems' problems, while also achieving reliable and robust high-speed high-data-rate transmission. Although numerous studies for smart antennas have already been conducted using rectilinear arrays, including mostly uniform linear arrays (ULAs) and uniform rectangular arrays (URAs), not as much effort has been devoted to other configurations. In this paper, the performance of smart antennas with uniform circular arrays (UCAs) is examined. A profound justification for this selection is the symmetry possessed by uniform circular arrays. This property provides uniform circular arrays with a major advantage: the ability to scan a beam azimuthally through 360/spl deg/ with little change in either the beamwidth or the sidelobe level. With the use of uniform circular arrays, the two main issues related to smart antennas - estimation of the direction of arrival from incoming signals and bearnforming - are both examined.

P. Ioannides

C.A. Balanis

Uniform circular arrays for smart antennas

智能天线的均匀圆形阵列

This article presents some recent developments in multiplebeam antennas (MBAs) based on reflectarrays for communication satellites in the Kurz (K) and Kurz-above (Ka) bands. The existing high-throughput satellites commonly employ four reflector antennas to provide cellular coverage that is formed by multiple spot beams in a four-color scheme. Reflectarray antennas are proposed as an attractive solution for the design of novel MBA configurations to produce multispot coverage, with a smaller number of apertures than conventional MBA systems based on reflector technology. Single and dual reflectarray configurations have been considered for the purpose of exploiting their ability to produce independent beams in different polarizations and frequencies.

Eduardo Martinez-de-Rioja

Daniel Martinez-de-Rioja

Jose A. Encinar

Antonio Pino

Borja Gonzalez-Valdes

Yolanda Rodriguez-Vaqueiro

Marcos Arias

Giovanni Toso

Advanced Multibeam Antenna Configurations Based on Reflectarrays: Providing multispot coverage with a smaller number of apertures for satellite communications in the K and Ka bands

基于反射阵列的高级多波束天线配置：为K和Ka波段卫星通信提供多波束覆盖，使用更少的孔径数量

Branislav M. Notaroš

APS/URSI 2024 Conference and 75th AP-S Anniversary Celebration in Florence [President’s Message]

Abbreviation	IEEE Antennas Propag. Mag.
Journal Impact	4.36
Quartiles(Global)	TELECOMMUNICATIONS(Q2)

ISSN	1045-9243, 1558-4143
h-index	101

Publication Information	Publisher: IEEE Computer Society，Publishing cycle: Bimonthly，Journal Type: journal，Open Access Journals: No
Basic data	Year of publication: 1990，Proportion of original research papers: 97.44%，Self Citation Rate:2.40%， Gold OA Rate: 7.59%
Average review cycle	网友分享经验：平均3.0个月
Average recruitment ratio	网友分享经验：容易

IEEE Antennas and Propagation Magazine

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Magnetodielectric Materials in Antenna Design: Exploring the Potentials for Reconfigurability

The ALCOR C-band imaging radar

An overview of fractal antenna engineering research

Uniform circular arrays for smart antennas

Advanced Multibeam Antenna Configurations Based on Reflectarrays: Providing multispot coverage with a smaller number of apertures for satellite communications in the K and Ka bands

APS/URSI 2024 Conference and 75th AP-S Anniversary Celebration in Florence [President’s Message]

Junk or Treasure? [Turnstile]

The AP-S 75th Anniversary Special Series Continues! [Editor’s Comments]

Transitioning From Academia to a Professional Career [Young Professionals]

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