IEEE Transactions on Antennas and Propagation最新文献

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A Compact Dual-Band Radiator-Shared Antenna With Enhanced Isolation and Flexible Frequency Ratio Regulation 具有增强隔离和灵活频率比调节的紧凑型双频辐射共享天线
IF 4.6 1区 计算机科学
IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-04 DOI: 10.1109/TAP.2025.3556288
Wenlei Wang;Huayan Jin;Weiliang Yu;Leilei Liu;Guo Qing Luo
{"title":"A Compact Dual-Band Radiator-Shared Antenna With Enhanced Isolation and Flexible Frequency Ratio Regulation","authors":"Wenlei Wang;Huayan Jin;Weiliang Yu;Leilei Liu;Guo Qing Luo","doi":"10.1109/TAP.2025.3556288","DOIUrl":"https://doi.org/10.1109/TAP.2025.3556288","url":null,"abstract":"In this communication, a radiator-shared duplex antenna (RSDA) with enhanced isolation, flexible frequency ratio (FR) regulation, and compact size is proposed for applications in multiband/standard communication systems. The radiator-shared design is based on a shaping scheme by utilizing a parasitic resonator to make the lower band (LB) and higher band (HB) antennas have the same radiation structure. Customized feeding methods are employed to individually excite the high-order substrate integrated waveguide (SIW) cavity mode and the fractional-order patch mode, enabling dual-band operation and allowing a flexible FR regulation from 1.3 to 1.7. The proposed RSDA eliminates the need for decoupling structures or additional duplexing/filtering circuits. Isolation enhancement of over 24 dB is accomplished by exploiting the layered feeding architecture, shielded sidewalls, and a high-pass SIW feedline to suppress the feedline coupling, surface wave interference, and out-of-band signal propagation, respectively. For verification, a prototype of the proposed RSDA was measured, demonstrating dual-wideband operation that encompasses the targeted 5G/Sub 6G n78 band (3.3–3.6 GHz) and n79 band (4.8–5 GHz). The prototype achieved a peak gain of 5.3 dBi at 3.45 GHz and 7.4 dBi at 4.95 GHz, while exhibiting a high isolation level exceeding 53 dB and good radiation patterns.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 7","pages":"4981-4986"},"PeriodicalIF":4.6,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144606218","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 Low-Profile Implantable Antenna for Heart Implants 一种用于心脏植入的低轮廓植入式天线
IF 4.6 1区 计算机科学
IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-04 DOI: 10.1109/TAP.2025.3555863
Abdulwahab Alghamdi;Abdul Basir;Amjad Iqbal;Roy B. V. B. Simorangkir;Ismail Ben Mabrouk
{"title":"A Low-Profile Implantable Antenna for Heart Implants","authors":"Abdulwahab Alghamdi;Abdul Basir;Amjad Iqbal;Roy B. V. B. Simorangkir;Ismail Ben Mabrouk","doi":"10.1109/TAP.2025.3555863","DOIUrl":"https://doi.org/10.1109/TAP.2025.3555863","url":null,"abstract":"The complex nature of the human body and the interaction between implantable antennas and electronic components can result in detuning issues. A wide bandwidth is critical for mitigating these issues and improving channel capacity. This communication presents a compact implantable antenna that provides ultrawide bandwidth for leadless cardiac pacemakers (LCPs). The proposed antenna has an ultracompact size of 8.33 mm<sup>3</sup>, with a 10-dB bandwidth of 4.33 GHz (fractional bandwidth of 152.7%), spanning from 0.67 to 5 GHz. It covers the Industrial, Scientific, and Medical (ISM) bands (0.915 and 2.45 GHz), the Wireless Medical Telemetry Service (WMTS) band (1.4 GHz), and the midfield band (1.6 GHz). The simulation results demonstrate gains of −31.3 dBi at 0.915 GHz, −25.8 dBi at 1.4 GHz, and −21.9 dBi at 2.45 GHz. This antenna exhibits peak specific absorption rate (SAR) values of 320.4 W/kg at 0.915 GHz, 332.8 W/kg at 1.4 GHz, and 464.1 W/kg at 2.45 GHz. To ensure the reliability of the wireless communication link, the link budget is analyzed to estimate the range between the transmitter and receiver at data rates of 10 and 25 Mb/s. To validate the results, the manufactured antenna is tested with minced pork, demonstrating a satisfactory agreement between the measured and simulated outcomes.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 5","pages":"3310-3315"},"PeriodicalIF":4.6,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143918750","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
Parity-Time Symmetry and Leaky Wave Antennas: A Generalized Dispersion Equation 奇偶时间对称性和漏波天线:一个广义色散方程
IF 4.6 1区 计算机科学
IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-04 DOI: 10.1109/TAP.2025.3556286
Afshin Abbaszadeh;Jordan Budhu
{"title":"Parity-Time Symmetry and Leaky Wave Antennas: A Generalized Dispersion Equation","authors":"Afshin Abbaszadeh;Jordan Budhu","doi":"10.1109/TAP.2025.3556286","DOIUrl":"https://doi.org/10.1109/TAP.2025.3556286","url":null,"abstract":"A generalized dispersion equation is derived featuring coupled mode theory, parity-time (PT) symmetry, and leaky wave antennas of arbitrary periodic modulation. It can be specialized to each of these cases individually or can describe a structure containing all three electromagnetic phenomena simultaneously in a single antenna. This very general dispersion equation (GDE) is derived using both mode matching and the transverse resonance method, the latter lacking the ability to provide the field descriptions and wave impedances with the advantage of computational simplicity. The dispersion equation is first used to design a parity-time symmetric waveguide consisting of conjugate impedance sheets coupled in close proximity. The example shows both the eigenvalues (wavenumbers) and eigenvectors (modes) coalescing at a single point in the parameter space known as the exceptional point. In another example, the same dispersion equation is again used to model a sinusoidally modulated reactive sheet (SMRS) supported by an active impedance sheet-backed dielectric spacer. The active impedance sheet is designed to compensate for the SMRS radiative leakage loss when coupled in close proximity. Hence, each spatial harmonic is described by a purely real wavenumber despite the radiative losses to the open far-field channel. Plots of the spatial harmonics show a constant amplitude envelope and hence leaky wave radiation is generated from spatial harmonics which do not decay as they leak. Full-wave simulations corroborate our results.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 7","pages":"4247-4261"},"PeriodicalIF":4.6,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144598014","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 Low-Profile Circularly Polarized Magnetoelectric Dipole Array Based on Micrometal Additive Manufacturing for Sub-THz Applications 基于亚太赫兹微金属增材制造的低轮廓圆极化磁电偶极子阵列
IF 4.6 1区 计算机科学
IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-04 DOI: 10.1109/TAP.2025.3555899
Qinlong Li;Xinrui Zhong;Cheng Guo;Zhen Wang;Guanghua Shi;Chengzu Huang;Xiaoming Chen
{"title":"A Low-Profile Circularly Polarized Magnetoelectric Dipole Array Based on Micrometal Additive Manufacturing for Sub-THz Applications","authors":"Qinlong Li;Xinrui Zhong;Cheng Guo;Zhen Wang;Guanghua Shi;Chengzu Huang;Xiaoming Chen","doi":"10.1109/TAP.2025.3555899","DOIUrl":"https://doi.org/10.1109/TAP.2025.3555899","url":null,"abstract":"A low-profile wideband circularly polarized (CP) magnetoelectric (ME) dipole antenna is proposed based on micrometal additive manufacturing (M-MAM) technology for sub-THz applications. The CP ME dipole antenna is composed of four planar patches with a metal strip connecting the diagonal patches, four L-shaped vertical walls, and a slotted cavity which is used to enhance boresight gain and axial ratio (AR) bandwidth. A rectangular microcoaxial line (RMCL) feeding cavity is newly designed to excite the antenna via a coupling slot on the ground. By further employing the proposed antenna as radiating elements and combining a corporate RMCL feed network with an integrated RMCL-waveguide transition, a <inline-formula> <tex-math>$4times 4$ </tex-math></inline-formula> low-profile wideband antenna array is designed and fabricated based on the M-MAM technology. The measurement results of the fabricated prototype show that the array has an operating bandwidth (<inline-formula> <tex-math>$vert S_{11}vert lt -10$ </tex-math></inline-formula> dB, AR < 3 dB) from 139 to 170 GHz, and boresight gain varying from 18.6 to 20.5 dBi are achieved in the operating band. The measurement and simulation results have good agreements.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 7","pages":"4433-4442"},"PeriodicalIF":4.6,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144597807","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
Sidelobe Levels of Intermodulation Distortion Due to Element Pattern Variations in Phased Array Receivers 相控阵接收机中元件方向图变化引起的互调失真的旁瓣电平
IF 4.6 1区 计算机科学
IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-04 DOI: 10.1109/TAP.2025.3556278
Robert L. Schmid;Shane L. Impola;Robert S. Bokulic
{"title":"Sidelobe Levels of Intermodulation Distortion Due to Element Pattern Variations in Phased Array Receivers","authors":"Robert L. Schmid;Shane L. Impola;Robert S. Bokulic","doi":"10.1109/TAP.2025.3556278","DOIUrl":"https://doi.org/10.1109/TAP.2025.3556278","url":null,"abstract":"This article develops the theory to predict the sidelobe levels (SLLs) of intermodulation distortion in phased array receivers and validates the theory with Monte Carlo simulations and over-the-air measurements. It has previously been established in the literature that when intermodulation distortion is generated by signals incident on a phased array, the intermodulation distortion signal component has a linear phase relationship across the elements in the array such that the intermodulation distortion behaves as if it has an apparent angle of arrival. It is shown in this article that the SLLs associated with the intermodulation distortion signal components are significantly higher than the SLLs of the fundamental signals as a result of the error levels increasing through the nonlinear components. This is confirmed with a measurement campaign of 14 different test scenarios, in which the average SLLs of the intermodulation distortion were 7.6 dB higher than the average SLLs of the fundamental signals. When the receiver is beam steered to a direction away from the apparent angle of the intermodulation distortion, the predicted SLL can be used to calculate an effective third-order intercept of the receiver that takes into account the anticipated spatial rejection of the beamformer. This information helps predict the system performance of a phased array receiver in the presence of nearby interfering signals and can help determine receiver linearity requirements.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 7","pages":"4421-4432"},"PeriodicalIF":4.6,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144598056","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
Wideband 24–46 GHz Phased Array Antenna Enabled by a Compact Footprint Magnetoelectric Dipole With Frequency-Selective Stepped Patches 采用具有频率选择性阶梯贴片的紧凑磁电偶极子实现的宽带24 - 46ghz相控阵天线
IF 4.6 1区 计算机科学
IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-04 DOI: 10.1109/TAP.2025.3556291
Wen Jiang;Shaowei Liao;Peitao Liu;Wenquan Che;Quan Xue
{"title":"Wideband 24–46 GHz Phased Array Antenna Enabled by a Compact Footprint Magnetoelectric Dipole With Frequency-Selective Stepped Patches","authors":"Wen Jiang;Shaowei Liao;Peitao Liu;Wenquan Che;Quan Xue","doi":"10.1109/TAP.2025.3556291","DOIUrl":"https://doi.org/10.1109/TAP.2025.3556291","url":null,"abstract":"A novel dual-polarized (DP) magnetoelectric (ME) dipole element, integrated with frequency-selective stepped patches, is introduced. These patches provide an additional lower-band electric dipole resonant mode to the conventional DP ME dipole element and dynamically adjust the element’s radiation aperture with frequency, similar to a frequency-independent antenna. This innovation achieves a wide impedance bandwidth (24–46 GHz, 62.8%) and stable radiation patterns across the entire band within a compact element footprint (<inline-formula> <tex-math>$0.23lambda _{0} times 0.23lambda _{0}$ </tex-math></inline-formula>), making the element suitable for wideband-phased array antenna (PAA) applications. A heterogeneous beam element (HBE) with an inclined beam is designed by asymmetrically loading a metasurface onto the proposed DP ME dipole. A novel <inline-formula> <tex-math>$4times 4$ </tex-math></inline-formula> DP PAA is developed based on the DP ME dipole element and the HBE, where the HBE compensates for aperture loss at large scanning angles within the higher-frequency band, ensuring scanning performance across the entire band. The proposed PAA achieves state-of-the-art operational bandwidth (24–46 GHz, 62.8%) and scanning capability (<inline-formula> <tex-math>$ge pm 40^{circ }$ </tex-math></inline-formula> across the entire band).","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 7","pages":"4975-4980"},"PeriodicalIF":4.6,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144605017","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
Theory of Seamless-Scanning Periodic Leaky-Wave Antennas Based on 𝒫𝒯-Symmetry With Time to Space Mapping 基于时间-空间映射的无缝扫描周期漏波天线理论
IF 4.6 1区 计算机科学
IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-04 DOI: 10.1109/TAP.2025.3556308
Amar Al-Bassam;Simon Otto;Dirk Heberling;Christophe Caloz
{"title":"Theory of Seamless-Scanning Periodic Leaky-Wave Antennas Based on 𝒫𝒯-Symmetry With Time to Space Mapping","authors":"Amar Al-Bassam;Simon Otto;Dirk Heberling;Christophe Caloz","doi":"10.1109/TAP.2025.3556308","DOIUrl":"https://doi.org/10.1109/TAP.2025.3556308","url":null,"abstract":"Periodic leaky wave antennas (P-LWAs) offer highly directive and space-scanning radiation. Unfortunately, they have been plagued by the “broadside issue,” characterized by a degradation in gain when the antenna’s main beam is steered across the broadside. While this issue has been addressed by circuit and network approaches, a related fundamental and general electromagnetic theory has been lacking. This article fills this gap. We first show that a P-LWA is a parity-time-symmetric (<italic>PT</i>-symmetric) system, whose even- and odd-mode coupling in the complex space of temporal frequencies leads to the characteristic pair of two-sheet Riemann surfaces. We observe that the branch cuts of these surfaces, which form the well-known <italic>PT</i>-symmetric double pitchfork spectrum, correspond to the “balanced frequency” condition, while the branch point at the junction of the pitchforks, is an exceptional point (EP) that corresponds to the “<italic>Q</i>-balanced” condition, two conditions that were previously shown to be the conditions for eliminating the broadside issue. In order to acquire an independent and rigorous interpretation of this spectrum, we further transform the coupled complex temporal eigenfrequencies into complex spatial eigenfrequencies. We identify the resulting spatial frequencies as coupled forward-backward modes, with frequency-independent real parts (leakage factors), a condition for P-LWA equalization across broadside. Finally, we derive the scattering parameters of the P-LWA and show that matching is achieved only at one of the two ends of the P-LWA structure. This work both provides a solid foundation to the theory of P-LWAs and represents an original contribution to the field of <italic>PT</i>-symmetry.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 7","pages":"4572-4582"},"PeriodicalIF":4.6,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144606220","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
Wideband Decoupling Circuit for Sub-6 GHz Co-Polarized In-Band Full-Duplex Patch Antennas Sub-6 GHz共极化带内全双工贴片天线的宽带去耦电路
IF 4.6 1区 计算机科学
IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-04 DOI: 10.1109/TAP.2025.3556281
Yi-Ming Zhang;Shao-Yong Zheng
{"title":"Wideband Decoupling Circuit for Sub-6 GHz Co-Polarized In-Band Full-Duplex Patch Antennas","authors":"Yi-Ming Zhang;Shao-Yong Zheng","doi":"10.1109/TAP.2025.3556281","DOIUrl":"https://doi.org/10.1109/TAP.2025.3556281","url":null,"abstract":"To minimize the mutual coupling between co-polarized aperture-coupled patch antennas used in full-duplex applications, a novel decoupling method is introduced. This method involves creating an additional transmission bridge between the apertures of the two antenna elements at the feeding layer, effectively canceling the mutual coupling at the center frequency. The transmission bridge comprises two key components, which are a coupling structure connecting the aperture to a fork-shaped branch line, and a cancellation circuit. Notably, the cancellation circuit boasts wideband magnitude and phase compensation capabilities, providing a broadband decoupling response. Furthermore, it does not require any additional impedance-matching structures. To demonstrate the effectiveness, a <inline-formula> <tex-math>$1times 2$ </tex-math></inline-formula> co-polarized patch antenna array operating at 5.0 GHz was designed, fabricated, and tested. The measured port-to-port isolation of the array exceeded 50 dB, with a fractional bandwidth of 14.0%. Despite the use of lossy resistors, the insertion loss is less than 0.88 dB. These results underscore the advantages of the proposed coupling cancellation method, which offers a wide bandwidth, a low profile, and a straightforward design process.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 7","pages":"4999-5004"},"PeriodicalIF":4.6,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144606368","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 Vertex Function--Based Radial--Angular Quadrature for the Numerical Evaluation of Surface Test Integrals in the Method of Moments 基于顶点函数的径向角正交矩法曲面测试积分数值计算
IF 4.6 1区 计算机科学
IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-03 DOI: 10.1109/TAP.2025.3555888
Javier Rivero;Víctor F. Martín;Donald R. Wilton;William A. Johnson;Francesca Vipiana
{"title":"A Vertex Function--Based Radial--Angular Quadrature for the Numerical Evaluation of Surface Test Integrals in the Method of Moments","authors":"Javier Rivero;Víctor F. Martín;Donald R. Wilton;William A. Johnson;Francesca Vipiana","doi":"10.1109/TAP.2025.3555888","DOIUrl":"https://doi.org/10.1109/TAP.2025.3555888","url":null,"abstract":"A novel integration scheme is proposed for the accurate numerical evaluation of test (reaction) integrals needed for solving complex direct or inverse electromagnetic problems using surface integral equation (SIE) formulations and the method of moments. Significant effort has already been devoted to improving the numerical evaluation of source integrals yielding potentials (or their derivatives), especially for triangular elements. However, numerical techniques for accurately evaluating the subsequent test integrals have been largely neglected, with simple numerical integration schemes being used that either ignore or are developed with incomplete knowledge of the detailed behavior of potentials (or their derivatives) near edges and vertices. Consequently, simple numerical quadrature schemes are found to be either of limited accuracy or slowly convergent with respect to increasing the sampling for self, edge- or vertex-adjacent source, and test triangle pairs. Here, we describe a simple model derived from static potential integrals that properly describes and bounds the potentials and their derivatives near vertices. From it, we are able to construct appropriate, separable radial-angular quadrature schemes that are both exponentially convergent and applicable to all potential forms of interest arising from both EFIE and MFIE operators. Numerical results are presented that demonstrate the wide-ranging applicability and improved convergence rates of the proposed scheme, and these are compared to some previously reported testing schemes. The method’s sensitivity to test triangle shape and the ratio choice of angular-to-radial sampling rates is also briefly explored.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 7","pages":"4605-4620"},"PeriodicalIF":4.6,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144598010","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
Complying-Divergence ADE-CFS-PML for the FCC-FDTD (2, 4) Method and Its Numerical Properties FCC-FDTD(2,4)方法的复配发散ADE-CFS-PML及其数值性质
IF 4.6 1区 计算机科学
IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-01 DOI: 10.1109/TAP.2025.3555160
Xinsong Wang;Guangzhi Chen;Boyan Cui;Shunchuan Yang;Hanhong Liu;Wanli Du;Yifei Gao;Donglin Su
{"title":"Complying-Divergence ADE-CFS-PML for the FCC-FDTD (2, 4) Method and Its Numerical Properties","authors":"Xinsong Wang;Guangzhi Chen;Boyan Cui;Shunchuan Yang;Hanhong Liu;Wanli Du;Yifei Gao;Donglin Su","doi":"10.1109/TAP.2025.3555160","DOIUrl":"https://doi.org/10.1109/TAP.2025.3555160","url":null,"abstract":"A complex-frequency-shifted perfectly matched layer (CFS-PML) for the face-centered cubic finite-difference time-domain (FCC-FDTD) method with second-order in time and fourth-order in space, termed as FCC-FDTD (2, 4), is proposed in this article. To apply the FCC-FDTD (2, 4) method in solving complex electromagnetic problems, the CFS-PML is proposed through an auxiliary differential equation (ADE), which enhances the absorbing performance and substantially simplifies the derivation of the time-marching formulations. Due to the fourth-order sampling approaches of FCC grids in space, the computational domain-absorbing boundary interface is carefully analyzed. Moreover, the proposed method exhibits complying-divergence. Then, the optimal ranges of three absorbing boundary constitutive parameters are found through the numerical sweeping method and verified by the genetic algorithm. Three numerical examples, the electromagnetic wave propagation, electromagnetic scattering of multiple targets with fine details, and the electric field distribution of a large-scale airplane, are carried out to demonstrate the performance of the proposed method. The results indicate that the developed ADE-CFS-PML absorbing boundary for the FCC-FDTD (2, 4) method shows good accuracy and stability.","PeriodicalId":13102,"journal":{"name":"IEEE Transactions on Antennas and Propagation","volume":"73 7","pages":"4689-4702"},"PeriodicalIF":4.6,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144598058","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
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