IEEE Transactions on Antennas and Propagation最新文献_第4页

Accelerated Antenna Design Methodology Using a Hessian-Based Nonlinear Optimizer With Automatic Differentiation 基于hessian的非线性自动微分优化器的天线加速设计方法

IF 5.8 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-06-05 DOI: 10.1109/TAP.2025.3575190

Manushanker Balasubramanian;Douglas H. Werner

{"title":"Accelerated Antenna Design Methodology Using a Hessian-Based Nonlinear Optimizer With Automatic Differentiation","authors":"Manushanker Balasubramanian;Douglas H. Werner","doi":"10.1109/TAP.2025.3575190","DOIUrl":"https://doi.org/10.1109/TAP.2025.3575190","url":null,"abstract":"A Hessian-based optimization framework for accelerating the antenna design process is presented. This approach relies on leveraging the second-order derivatives of an objective function to achieve quadratic convergence, offering a significant improvement over gradient-based methods. Instead of computing the Hessian using a finite difference (FD) scheme, a custom-developed method of moments (MoM) solver was integrated with an automatic differentiation (AD) technique to evaluate the gradients at a much lower cost. This implementation requires minimal code modifications, rendering AD a highly attractive choice. Furthermore, when using the gradients in conjunction with the interior point method (IPM), the technique demonstrates superior convergence and requires fewer function evaluations compared to gradient descent (GD) and derivative-free optimization algorithms. This makes the approach very attractive compared to existing methods. Moreover, this method has the added advantage that it can be applied to arbitrary radiation and scattering problems and be readily paired with any optimization method. The accuracy and validity of the proposed method are verified through various application examples.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 9","pages":"6928-6942"},"PeriodicalIF":5.8,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145027945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

IEEE Transactions on Antennas and Propagation Information for Authors IEEE天线与传播信息学报

IF 4.6 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-06-05 DOI: 10.1109/TAP.2025.3571657

引用次数: 0

A High-Efficiency Reconfigurable Bidirectional Array Antenna Based on Transmit–Reflect Switchable Metasurface 基于透射-反射可切换元表面的高效可重构双向阵列天线

IF 5.8 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-06-05 DOI: 10.1109/TAP.2025.3575265

Fan Qin;Jinyang Bi;Jiao Ma;Chao Gu;Hailin Zhang;Wenchi Cheng;Steven Gao

{"title":"A High-Efficiency Reconfigurable Bidirectional Array Antenna Based on Transmit–Reflect Switchable Metasurface","authors":"Fan Qin;Jinyang Bi;Jiao Ma;Chao Gu;Hailin Zhang;Wenchi Cheng;Steven Gao","doi":"10.1109/TAP.2025.3575265","DOIUrl":"https://doi.org/10.1109/TAP.2025.3575265","url":null,"abstract":"This communication proposes a reconfigurable bidirectional array antenna with high efficiency by employing a novel transmit-reflect switchable metasurface (TRSM) with 360° continuous phase coverage. To realize electromagnetic (EM) wave manipulation, a transmit-reflect switch layer (TRSL) incorporating p-i-n diodes is introduced as the middle layer of TRSM, sandwiched by two transmission metasurfaces (TMs). By <sc>on</small>/<sc>off</small> the switches, the TRSL functions as a mesh-type ground or a polarization-filtering layer, exhibiting a reconfigurable reflective or transmissive property to the incident wave. Furthermore, the TRSM achieves 360° phase compensation and directive beam formation through combined operation of upper and lower TMs. This structure enables bidirectional radiation at a single frequency and polarization. To minimize structural complexity, an enhanced TRSM design was developed and optimized to achieve a 50% reduction in the number of p-i-n diodes. Since the independent control of bidirectional radiation by TRSL does not interfere with the phase-tuning function of two TMs, the TRSM achieves 360° phase compensation and minimizes quantization errors. Moreover, the use of p-i-n diodes, which are not directly integrated with the radiating elements, reduces insertion loss. Hence, the TRSM maintains a high aperture efficiency. A prototype was fabricated and measured to demonstrate a successful realization of the upward and downward directive beams with peak gains of 22.3 and 22.1 dBi and aperture efficiencies of 47.2% and 43.8% The proposed antenna design presents notable advantages, such as high gain, high aperture efficiency, cost-effectiveness, a simplified configuration, and electronic beam control functionality.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 9","pages":"7051-7056"},"PeriodicalIF":5.8,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145036670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Numerical and Analytical Methods for Complex Electromagnetic Media 复杂电磁介质的数值与解析方法

IF 4.6 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-06-05 DOI: 10.1109/TAP.2025.3571635

引用次数: 0

Microwave, mm and THz Imaging and Sensing Systems and Technologies for Medical Applications 微波，毫米和太赫兹成像和传感系统和技术的医疗应用

IF 4.6 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-06-05 DOI: 10.1109/TAP.2025.3571633

引用次数: 0

Analysis and Suppression of Electromagnetic Coupling Interference Through Ceramic Substrate in SiP With Multicavity Shielding 多腔屏蔽SiP中陶瓷基板电磁耦合干扰分析与抑制

IF 5.8 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-06-05 DOI: 10.1109/TAP.2025.3575244

Yaya Liang;Pan Ren;Chulin Wang;Jingxuan Xia;Xuan Zhao;Pingan Du

{"title":"Analysis and Suppression of Electromagnetic Coupling Interference Through Ceramic Substrate in SiP With Multicavity Shielding","authors":"Yaya Liang;Pan Ren;Chulin Wang;Jingxuan Xia;Xuan Zhao;Pingan Du","doi":"10.1109/TAP.2025.3575244","DOIUrl":"https://doi.org/10.1109/TAP.2025.3575244","url":null,"abstract":"Multicavity shielding technology is widely used to suppress electromagnetic radiation interference between multiple chips in system in package (SiP). However, slots formed by the patterned top metal layer of ceramic substrate can lead to electromagnetic radiation leakage into the substrate, thereby exciting resonance in ceramic substrate with high-permittivity. This article analyzes the electromagnetic leakage caused by slots and identifies the ceramic substrate as a coupling path for interfering electromagnetic waves. The primary resonant mode of ceramic substrate, TE<inline-formula> <tex-math>${}_{mn(p+delta)}$ </tex-math></inline-formula>, is identified as the key factor degrading the shielding effectiveness of multicavity shielding in SiP. Further analysis reveals that the quality factor (<italic>Q</i>) of the substrate can be reduced through dimensional and material optimizations, thereby mitigating coupling interference. However, it remains challenging to entirely block the coupling energy. To suppress coupling interference, a novel composite shielding structure based on substrate integrated cavity (SIC) and electromagnetic bandgap (EBG) is proposed. The EBG, constructed along the SIC walls, forms a 3-D EBG through horizontally periodic metal patches and vertically via arrays. Compared to 2-D EBG, this architecture enables multilayer resonance suppression within the substrate. Simulation results demonstrate that the proposed EBG-SIC achieves broadband suppression across 5.73–11.5 GHz within the SIC resonant cavity, and the shielding effect is verified through near-field scan experiments.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 9","pages":"6574-6583"},"PeriodicalIF":5.8,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145051014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

IEEE Transactions on Antennas and Propagation Publication Information IEEE天线与传播学报出版信息

IF 4.6 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-06-05 DOI: 10.1109/TAP.2025.3571631

引用次数: 0

Low-Profile Transparent Ultrabroad Dual-Transmission-Band Frequency Selective Rasorber Using Low-Resistive ITO Film 采用低阻ITO薄膜的低轮廓透明超远双传输带频率选择反射器

IF 5.8 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-06-05 DOI: 10.1109/TAP.2025.3575291

Xia Ma;Yanni Wang;Chenjiang Guo;Jun Ding;Xiaoyan Pang;Xiaojun Huang;Zhi Ning Chen

{"title":"Low-Profile Transparent Ultrabroad Dual-Transmission-Band Frequency Selective Rasorber Using Low-Resistive ITO Film","authors":"Xia Ma;Yanni Wang;Chenjiang Guo;Jun Ding;Xiaoyan Pang;Xiaojun Huang;Zhi Ning Chen","doi":"10.1109/TAP.2025.3575291","DOIUrl":"https://doi.org/10.1109/TAP.2025.3575291","url":null,"abstract":"This communication presents a design method to use low-resistive indium tin oxide (ITO) film for forming a low-profile and transparent dual-polarized frequency selective rasorber (FSR) with two ultrabroad transmission bands. The FSR designed by stacking two lossless dual-passband Frequency-selective surface (FSS) with a 2-mm air gap achieves two absorption bands by means of the interlayer coupling effect between the top and bottom FSS. The designed FSR realizes two broad transmission bands of 4.16–11.35 GHz (92.7%) and 18.89–30.06 GHz (45.6%), respectively while two broad absorption bands cover 13.54–16.58 GHz (20.2%) and 31.33–35.81 GHz (13.4%), respectively. A prototype of the proposed FSR is fabricated to verify its absorption and transmission performance, and the working principle is analyzed by combining the equivalent circuit model (ECM) with the surface current distribution. The proposed FSR exhibits the potential to reduce the out-of-band radar cross section (RCS), with its optical transparency showing promise for window applications.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 9","pages":"7039-7044"},"PeriodicalIF":5.8,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145036221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A Numerical Study of Efficient Leapfrog CD-HIE-FDTD Method With CFS-PML Technique 基于CFS-PML技术的高效跨越式cd - hi - fdtd方法的数值研究

IF 5.8 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-06-04 DOI: 10.1109/TAP.2025.3574871

Guilin Hou;Yi Chen;Guoda Xie;Wenjie Ding;Yingsong Li;Zhixiang Huang

{"title":"A Numerical Study of Efficient Leapfrog CD-HIE-FDTD Method With CFS-PML Technique","authors":"Guilin Hou;Yi Chen;Guoda Xie;Wenjie Ding;Yingsong Li;Zhixiang Huang","doi":"10.1109/TAP.2025.3574871","DOIUrl":"https://doi.org/10.1109/TAP.2025.3574871","url":null,"abstract":"The recently proposed complying-divergence implicit finite-difference time-domain (CDI-FDTD) method was demonstrated with relatively superior numerical performance, especially with the unconditional stability of implicit methods and the complying-divergence property. In addition, the complying-divergence property was also extended to and successful utilized in semi-implicit FDTD methods for significantly more efficient and accurate electromagnetic (EM) computations with models containing fine structures in one or two directions. This work offers an effective implementation of the complex frequency-shifted perfectly matched layer (CFS-PML) based on a one-step leapfrog complying-divergence-hybrid implicit-explicit FDTD (CD-HIE-FDTD) method with more robust simulations to address more complicated open-domain EM challenges. The stretching factors are initially introduced into Maxwell’s equations to derive a compact 1st-order differential matrix form. Subsequently, the matrix is subjected to space-time operator splitting to establish a complying-divergence framework with a two-step iterative solution. For more numerical efficiency, we utilize the leapfrog time-stepping strategy to eliminate intermediate variables and get a one-step iterative solution. Moreover, for the aforementioned computational framework, we offer an analysis for the terms of numerical stability and complying-divergence property. Meanwhile, the various examples given in this work also verify the correctness and efficacy of the proposed method.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 9","pages":"6670-6685"},"PeriodicalIF":5.8,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145050841","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

High-Gain Pattern-Reconfigurable Dielectric Resonator Antenna With Planar Feed for Switchable Beams Covering 360° Azimuthal Plane 用于覆盖360°方位平面的可切换波束的高增益模式可重构介质谐振器平面馈源天线

IF 5.8 1区计算机科学

IEEE Transactions on Antennas and Propagation Pub Date : 2025-06-04 DOI: 10.1109/TAP.2025.3573877

Xu Zhou;Peng Fei Hu;Kwok Wa Leung

{"title":"High-Gain Pattern-Reconfigurable Dielectric Resonator Antenna With Planar Feed for Switchable Beams Covering 360° Azimuthal Plane","authors":"Xu Zhou;Peng Fei Hu;Kwok Wa Leung","doi":"10.1109/TAP.2025.3573877","DOIUrl":"https://doi.org/10.1109/TAP.2025.3573877","url":null,"abstract":"A high-gain, pattern-reconfigurable dielectric resonator antenna (DRA) with a switchable beam covering a 360° azimuthal plane is presented. It consists of a double-layer cylindrical dielectric resonator (DR) and a symmetric reconfigurable feeding circuit. The feeding network incorporates four microstrip-coupled slots, where the microstrip lines are connected to the ground via p-i-n diodes. This innovative planar feed excites two pairs of higher order DR modes, which can be modeled as equivalent magnetic and electric dipoles (M-E dipoles). The radiation superposition from these two pairs of modes significantly enhances both the antenna gain and impedance bandwidth. Additionally, the polarization of the equivalent magnetic dipole (M-dipole) modes can be controlled by the diodes, enabling beam switching across a full 360° azimuthal plane. Consequently, this planar feeding method serves as an effective replacement for the traditional combination of a feeding probe and four slots, greatly simplifying the antenna structure to facilitate the DR fabrication. To validate the design, two prototypes of four- and eight-beam configurations were simulated, fabricated, and measured. Both prototypes demonstrate high antenna gains exceeding 10 dBi, with their impedance bandwidths greater than 14%.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 9","pages":"6381-6390"},"PeriodicalIF":5.8,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145061953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0