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International Journal of Antennas and Propagation
Scopus
ISSN 1687-5869 · Wiley · 2.877 artikel di indeks
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Artikel Jurnal
Design of X-Band Broadband H-Shaped Slit-Coupled Microstrip Patch Antenna Array
This paper presents a broadband slit-coupled antenna design for X-band applications. By using double-layer microstrip patches as the unit, high gain and broadband characteristics have been achieved. In array design, by loading open-circuit branches, the current distribution on the antenna surface…
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Artikel Jurnal
A Linear Active Rampart Antenna Array With Two-Dimensional Beam-Scanning Capability for FMCW Radar Applications
A novel linear active rampart array that is able to steer in the azimuth plane through frequency sweeping and in the elevation plane through phase shifting has been developed. The presented system uses eight active elements and two parasitic ones to ensure consistent radiation patterns. It achieves…
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Artikel Jurnal
Do We Really Need Frequency-Selective Surface and Metasurface Reflectors for Antenna Gain Enhancement, or Are Metallic Reflectors Enough?
Enhancing antenna gain remains a key requirement in modern wireless systems, particularly with the rapid evolution of 5G, emerging 6G networks, satellite links, and high-resolution radar. Recent research trends increasingly rely on frequency-selective surfaces (FSSs) and metasurface-based…
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Artikel Jurnal
Research on Radio Wave Coverage of Beamforming Antennas in Train Carriage and Corridor Measurement
In order to provide high-quality public mobile communication in speed train, uniform radio wave coverage in the carriage must be realized. Using repeater antenna in train carriage is an effective way to meet the requirement of radio wave coverage, but traditional antenna cannot provide uniform…
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Artikel Jurnal
Optical Control Strategies for Advanced Reconfigurable Transmitarray Antennas Operating in mmWave
Next-generation radar and wireless communication networks increasingly rely on reconfigurable transmitarray antennas (RTAs) to achieve high-gain beamforming via real-time phase adjustment. While conventional RTA designs frequently integrate PIN diodes for their rapid switching capabilities and…
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Artikel Jurnal
A Stacked Ensemble-Based Effective DOA Estimation of mmWave mMIMO Systems With Array Imperfections
Antenna array imperfections are one of the practical limitations in the estimation of Direction of Arrival (DOA) in millimetre-wave (mmWave) 5G massive multiple-input multiple-output (mMIMO) systems, and this leads to performance degradation of DOA estimation. A novel stacked ensemble-based…
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Artikel Jurnal
Traditional Techniques and Modern Microwave Antenna Designs for Breast Cancer Detection: A Comprehensive Review
Microwave breast imaging has become a significant area of research due to the high incidence of breast cancer in women and the limitations of conventional detection methods. In recent years, this field has gained momentum as it offers improved detection rates and several advantages like it is…
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Artikel Jurnal
A2A-UAV-Tracking: A Benchmark for Air-to-Air UAV Tracking
Vision-based unmanned aerial vehicle (UAV) tracking technology faces severe challenges in dynamic and complex air-to-air scenarios, manifested specifically as occlusion interference, abrupt changes in light intensity, and feature motion blur caused by high-speed target maneuvering. Traditional…
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Artikel Jurnal
Beyond Line‐of‐Sight: Modeling and Simulating a Very High Frequency Communication Link With Atmospheric Superrefraction and Ducting
Very High Frequency (VHF) communication systems historically rely on line-of-sight (LOS) propagation for effective signal transmission between the receive and transmit antenna(s) for link viability. Traditionally, LOS between transmit and receive locations has been improved by increasing antenna…
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Artikel Jurnal
High-Performance, Low-Profile Rasorber Based on Modified Split-Ring Resonators for Wideband Absorption and Transmission
This work introduces a dual-polarized metamaterial absorber with a wide transmission window located between two absorption bands. The structure is designed to achieve strong out-of-band absorption while maintaining broad in-band transmission. The top resonator includes four modified split-ring…
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Artikel Jurnal
Space-Time Adaptive Processing Clutter Suppression Algorithm Based on Spatiotemporal Stationarity of Ionospheric Clutter in HFSWR
In high-frequency surface wave radar (HFSWR) systems, ionospheric clutter is a common phenomenon that often causes targets to be submerged. Space-time adaptive processing (STAP) is a classical adaptive filtering algorithm. To reduce computational complexity and the required number of clutter…
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Artikel Jurnal
CST vs HFSS: A Comparative Analysis for Antenna and Microwave Engineering
Electromagnetic (EM) simulation tools play a vital role in antenna and microwave engineering by enabling accurate modeling, optimization, and validation before fabrication. Among the most widely used commercial EM simulation platforms are CST Studio Suite and Ansys HFSS, both of which are…
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Artikel Jurnal
Phase-Only Optimization Based on a Riemannian Manifold for the Low Probability of Intercept Method of Frequency Diverse Array
In this paper, a phase-only beampattern optimization algorithm is proposed for a frequency diverse array (FDA) radar to achieve a low probability of intercept (LPI). To avoid the high hardware complexity of joint amplitude–phase optimization and performance loss caused by simple phase truncation…
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Artikel Jurnal
Demodulation Method for Chirp-Rate Shift Keying of Mechanical Antenna Based on Fractional Fourier Transform
The rotating-magnet–based mechanical antenna (RMBMA), as a current research hotspot in the field of extremely low-frequency transmission, has seen the introduction of chirp-rate shift keying (CSK), an inertia-compatible signal modulation method into its framework. However, the existing CSK…
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Artikel Jurnal
Floral-Shaped Ultra-Wideband Antenna With a Wedge-Shaped Partial Ground Plane
This work presents the design, analysis, of a floral ultra-wideband (UWB) monopole patch antenna for wireless communication applications. The antenna is fabricated on an FR4 substrate with a dielectric constant of 4.4 and a thickness of 1.6 mm. Its wedge-shaped ground plane structure features three…
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Artikel Jurnal
A Compact 4×4 Dual-Circularly Polarized Array Antenna With Beam-Scanning Capability for S-Band Satellite Uplink/Downlink Communications
This paper presents a compact dual circularly polarized (CP) stacked-patch antenna and a corresponding sequentially rotated 4×4 array for S-band satellite communication applications. The driven patch is excited through two orthogonal H-shaped slots that couple energy from the feedline, while a…
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Artikel Jurnal
Miniaturized Single-Layer Quasielliptic Response HMSIW Filter With Four Transmission Poles
This study presents a miniaturized filter based on half-mode substrate-integrated waveguide (HMSIW) resonant cavities, a bent-line resonator, and a composite right/left-handed (CRLH) resonator. The filter employs two HMSIW resonant cavities, which effectively reduce its size and prevent the…
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Artikel Jurnal
RCS Angular Control With Gradient Metasurfaces: Design and Measurement
This letter proposes the design and measurement of a periodic metasurface that achieves anomalous reflection with reduced RCS in a given parasitic direction. A previous study proposed a semianalytical model to predict the RCS behaviour of such a metasurface. However, this first study did not…
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Artikel Jurnal
Design of a High-Rejection Filtering Antenna Based on Nonuniform Metasurface
This paper presents a high-rejection filtering antenna based on nonuniform metasurface (MTS). The antenna consists of three metal layers and two substrate layers. The upper metal layer is nonperiodic MTS patches with removed units. The MTS is fed by a T-shaped microstrip line at the bottom through…
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Artikel Jurnal
Design and Experimental Realization of Wearable UWB Antennas for Machine Learning–Driven Human Posture and Activity Recognition
Combining wearable sensing technologies with intelligent classification algorithms opens new possibilities for tracking human activities and postures, with applications in healthcare, rehabilitation, and human–computer interaction. In the present scenario of wearable-based human activity…
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