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Electromagnetic Science
Scopus
ISSN 2836-9440 · Chinese Institute of Electronics · 60 artikel di indeks
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Artikel Jurnal
Antenna Optimization Method Based on Multi-Knowledge Embedded Artificial Neural Network for Ultra-wideband Phased Array
In this paper, an antenna optimization method for ultra-wideband phased array antennas, based on multi-knowledge embedded artificial neural network (ANN), is presented. The array is based on the tightly coupled dipole array (TCDA) antenna, which has a large number of antenna parameters requiring…
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Artikel Jurnal
On Systematic Performance of 3-D Holographic MIMO: Clarke, Kronecker, and 3GPP Models
Holographic multiple-input multiple-output (MIMO) has emerged as a key enabler for 6G networks, yet conventional planar implementations suffer from spatial correlation and mutual coupling at sub-wavelength spacing, which fundamentally limit the effective degrees of freedom (EDOF) and channel…
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Artikel Jurnal
Small Variable Matrix Extraction Techniques for Accelerating the Electromagnetic Topology Optimization
Electromagnetic (EM) topology optimization has emerged as an essential technique for the automatic design of high-performance microwave and radio-frequency components. However, the repeated solution of large-scale EM problems across multiple topologies and frequency points poses significant…
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Artikel Jurnal
Performance Analysis of Non-paraxial Deployments Continuous Aperture MIMO for Electromagnetic Information Theory
Continuous aperture multiple-input multiple-output (CAP-MIMO) is regarded as the ultimate form of multiple-input multiple-output (MIMO) technology because of its dense antenna elements, which can enhance the system performance. For continuous-spatial electromagnetic channels, the input is the…
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Artikel Jurnal
Electromagnetic Information Analysis for Joint Communication and Sensing in Complex Scattering Environments
This study addresses a limitation in Shannon information theory by characterizing electromagnetic information metrics for the joint communication and environmental sensing in complex scattering environments. We specifically characterize how the uncertainty introduced by a dynamic scattering…
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Artikel Jurnal
From Analog to Digital-Assisted Techniques: Modern Digital-to-Analog Converter Design for High Speed and Dynamic Range
Digital-to-analog converters (DACs) have become indispensable in modern wireless communication systems, enabling direct synthesis of radio-frequency signals from the digital domain and thus simplifying transmitter architectures. Achieving both high speed and high dynamic range in DACs is critical…
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Artikel Jurnal
Harmonic Interferometric Receiver for Multifunction Wireless Systems
In next-generation wireless systems, harmonic diversity—across both sensing and communication functionalities—promises to redefine the design paradigm of radio frequency (RF) receivers. This work proposes a four-port quad-band harmonic-responsive linear interferometric receiver capable of…
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Artikel Jurnal
Constitutive-Parameter-Driven Angular Metasurfaces
Metasurfaces have revolutionized electromagnetic wave modulation across both the frequency and time domains, yet angular modulation remains underdeveloped due to the lack of analytical relationships between angular performance and structure, as well as unclear angular performance boundaries. To…
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Artikel Jurnal
Wideband Multi-Mode Tracking Using Near-Field Global-Correlation Method
A near-field global-correlation method is proposed for accurate tracking of a larger number of dense characteristic modes in a large bandwidth. By using characteristic near-field patterns instead of conventional eigen-vectors or far-field patterns, the information stored in the rapid change of…
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Artikel Jurnal
Observation of Fractional Disclination Charges Induced by Gain and Loss
Fractional charge, a hallmark of modern electric polarization theory, provides a topological framework for understanding quantized polarization. It has only recently been recognized that real-space topological defects, such as disclinations, can further modify charge fractionalization, as an…
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Artikel Jurnal
Programmable Metasurface-Empowered Secure MultiParty Communication with Threshold Cryptography
The expansion of high-speed wireless networks and increasing reliance on connectivity necessitate advanced security beyond traditional software encryption. Programmable metasurface-assisted secret sharing cryptography offers the opportunity of joint software- and physical-layer encryption but…
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Artikel Jurnal
All-Metal Coding Metasurface Stirrers for Next Generation Reverberation Chambers: Breaking Lowest Usable Frequency and Working Volume Limitations
The evolution of electromagnetic compatibility (EMC) standards demands reverberation chambers (RCs) with superior field uniformity and high spatial efficiency. While metasurface-based stirrers are emerging as compact alternatives to traditional Z-shaped mechanical stirrers, their…
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Artikel Jurnal
Quasi-Bound States in the Continuum of Localized Spoof Surface Plasmons Transverse Magnetic Modes
Recently, quasi-bound states in the continuum (quasi-BICs) of localized spoof surface plasmons (LSSPs) have been developed on several metasurfaces with broken symmetry, which have high quality factors (Q-factors) because of low radiation loss. They are transverse electric (TE) modes. In this paper…
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Artikel Jurnal
Space-Frequency Multiplexing Wireless Communication Based on a Single-Layer Dual-Band Programmable Metasurface
Programmable metasurfaces (PMs) have significantly advanced electromagnetic (EM) wave manipulation by enabling real-time and digital reconfigurability. However, the current PM designs encounter challenges in achieving independent multi-band controls while keeping structural simplicity. Here, we…
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Artikel Jurnal
Metamerism Recognition Using a Hybrid Operation Optical Differentiator with Dispersion Assistance
Optical analog image processing technology holds great potential for numerous modern applications due to its advantages of high-throughput parallel processing and ultra-low power consumption. The optical spatial differentiator, as a fundamental component of optical analog image processing, finds…
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Artikel Jurnal
Wireless Charging of Electric Kick-Scooters Using Metasurface-Based Resonator Approach
Today, the electromobility sector is increasingly dominated by electric kick-scooters (EKSs), valued for their convenience, affordability, and ease of use. Integrating wireless power transfer (WPT) technology with EKS operations is crucial for developing scalable charging infrastructure in both…
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Artikel Jurnal
Bioelectromagnetic Identification and Analysis of Tissues by Dual-Port Electromagnetic Methodology
The rapid and accurate identification of biological tissue types in resected specimens is critical to ensure complete tumor excision during surgery. By leveraging inherent electromagnetic property variations among tissues, this study presents a novel dual-port electromagnetic method that employs…
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Artikel Jurnal
An Unmanned Aerial Vehicle Magnetic Detection System for Archaeological Exploration
Magnetic detection is characterized by its non-invasive, rapid, and efficient traits and can be applied in archaeological exploration. This paper presents an aeromagnetic system based on a drone for archaeological exploration, featuring both hardware module integration and data processing methods…
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Artikel Jurnal
Theory of Periodic Sequence: A Highly-Efficient Signal Integrity Modeling for Ultra-broadband Transmission Lines
This work introduces and investigates a highly efficient eye diagram model, called the periodic eye diagram (PED), for assessing the performance of ultra-broadband transmission lines from the perspective of signal integrity. The PED model is based on the theory of periodic sequence, a novel…