MEMS-Reconfigurable Metamaterials and Antenna Applications by Tomislav Debogovic, Julien Perruisseau-Carrier

Get full text

Active defense technology against intelligent jammer by Zhibin FENG, Yuhua XU, Zhiyong DU, Xin LIU, Wen LI, Hao HAN, Xiaobo ZHANG

“…In the complex electromagnetic countermeasure environment, the intelligent development of jammer has caused a serious threat to wireless communication, while the traditional anti-jamming methods often passively adjusted the working mode or parameters, which will be at a disadvantage or even suppressed in the face of intelligent jammer.To solve this problem, a technical framework of active defense against jammer was proposed, aiming to disrupt the learning process of the intelligent jammer and reduce the jamming efficacy.In order to gradually achieve the goals of “understanding opponent”“controlling opponent” and “defeating opponent”, under the guidance of game theory and adversarial machine learning, the key technologies were discussed from three aspects: backward reasoning of jammer, algorithm vulnerability analysis and confrontational strategy design, independent optimization and online decision-making of anti-jamming strategy.Finally, combined with two specific cases, the feasibility and effectiveness of the proposed technical framework were verified.…”
Get full text

Computational Modelling of Blood Flow Development and Its Characteristics in Magnetic Environment by Gopal Chandra Shit

“…In order to get better interpretation of scan MRI images, the characteristics of blood flow and electromagnetic field within the circulatory system have to be furthermore investigated. …”
Get full text

Application of reconfigurable intelligent surface in beamforming and information modulation by Qiang CHENG, Junyan DAI, Junchen KE, Jingcheng LIANG, Siran WANG

“…In modern mobile communications, the randomness, uncertainty, and uncontrollability of wireless channels are the pivotalfactors that affect the communication quality, which often leads to the deterioration of the signal quality at the receiving terminal, and thereby limiting the rate and range of information transmission.In the emerging study of 6G technology, reconfigurable intelligent surface is one of the research directions under active discussions, which is an ultra-thin artificial surface composed of sub-wavelength structures with field programmability and spatiotemporal information modulation capabilities.The reconfigurable intelligent surface can manipulate electromagnetic waves accurately and efficiently, thus providing the possibility for reshaping the wireless propagation environment.In this review, the concept of the reconfigurable intelligent surface, the beam forming method based on spatiotemporal modulation, the wireless relay and the communication system based on the reconfigurable intelligent surface were reviewed and discussed.It demonstrates the great potential of reconfigurable intelligent surface in assisting mobile communication, and provides new ideas for the development of 6G.…”
Get full text

Study on the Analyzing and Simulating Method of Workspace of Force Reflecting Main Manipulator by Qu Jinxing, Feng Feng

“…According to the position information of collecting by 3D electromagnetic tracking system,through the quantitative and qualitative analysis,the correctness of the simulation method for solving the main manipulator workspace is verified. …”
Get full text

A Comprehensive Forward Model for Imaging under Irregular Terrain Using RF Tomography by Lorenzo Lo Monte, Francesco Soldovieri, Danilo Erricolo, Antonios Giannopoulos, Michael C. Wicks

Get full text

Workspace Analysis and Trajectory Planning of the Main Manipulator for Virtual Laparoscopic Surgery by Jinxing Qu

“…Both qualitative and quantitative analysis of the kinematic performance of the main manipulator is carried out based on the location information collected by 3D electromagnetic tracking system. The results show that， the parameter design of the main manipulator is rational， the kinematics model of the main manipulator is correct， and the workspace analysis and the trajectory planning meet the needs of the virtual laparoscopic surgery， which lay the foundation for the virtual laparoscopic surgery system as well as the motion control and pre-operation plan of the main manipulator.…”
Get full text

Coupling of Photonic Crystal Surface Modes by Melike Behiye Yücel

“…Surface modes are identified through supercell band structure computations, while their excitation by the electromagnetic waves through a perpendicular insertion waveguide is demonstrated using finite-difference time-domain simulations. …”
Get full text

Imaging of Scarce Archaeological Remains Using Microwave Tomographic Depictions of Ground Penetrating Radar Data by Francesco Soldovieri, Erica Utsi, Raffaele Persico, Amir M. Alani

Get full text

Intelligent Antenna Array Systems for Modern Communication Networks by yahiea alnaiemy, Mohammed N. Majeed, Mohsin Ali Ahmed, Taha A. Elwi, Sarah Mohemmed Fawzi Hussein

“… In last two decades, Smart Antenna Systems (SAS) as well as Multiple Input Multiple Output (MIMO) systems have emerged as strong and efficient contenders for 5G wireless communication networks due to the advantages they may bring based on the improvements in transmission and reception of electromagnetic signals with respect to omnidirectional antennas. …”
Get full text

Si Substrate Backside—An Emerging Physical Attack Surface for Secure ICs in Flip Chip Packaging by Makoto Nagata, Takuji Miki

“…., voltage potentials, current flows, electromagnetic (EM) waves, and photons, are transparent through Si substrate and attributed to the operation of security ICs. …”
Get full text

ANN Synthesis Model of Single-Feed Corner-Truncated Circularly Polarized Microstrip Antenna with an Air Gap for Wideband Applications by Zhongbao Wang, Shaojun Fang

“…The model is validated by the electromagnetic simulation and measurements. It is enormously useful to antenna engineers for facilitating the design of the single-feed CPMA with an air gap.…”
Get full text

8-Shaped Inductors: An Essential Addition to RFIC Designers’ Toolbox by Pingda Guan, Haikun Jia, Wei Deng, Teerachot Siriburanon, Robert Bogdan Staszewski, Zhihua Wang, Baoyong Chi

“…Among them, 8-shaped inductors have emerged as a novel and promising variant, attracting significant research interest thanks to their unique geometry and electromagnetic (EM) properties. The distinctive feature of 8-shaped inductors lies in their antiparallel magnetic fields due to the opposing current flows within the two turns, enabling manifold applications. …”
Get full text

Radio signal recognition based on image deep learning by Xin ZHOU, Xiaoxin HE, Changwen ZHENG

“…A technical idea was innovatively proposed that uses image deep learning to solve the problem of radio signal recognition.First,the radio signal was transformed into a two-dimensional picture,and the radio signal recognition problem was transformed into the object detection problem in the field of image recognition.Then,the advanced achievements about image recognition were used to improve the intelligence and ability of radio signal recognition in complex electromagnetic environment.Based on the proposed idea,a novel radio signal recognition algorithm named RadioImageDet was proposed.The experimental results show that the algorithm can effectively identify the waveform types and time/frequency coordinates of radio signals.After training and testing on the self-collected data set with 12 types and 4 740 samples,the accuracy reaches 86.04% and the mAP value reaches 77.72,while the detection time is only 33 ms on the medium configured desktop computer.…”
Get full text

Artificial Intelligence‐Enhanced Metamaterial Bragg Multilayers for Radiative Cooling by David Osuna Ruiz, Maite Aznarez‐Sanado, Pilar Herrera‐Plaza, Miguel Beruete

“…A full numerical study combining artificial intelligence (AI) methods and electromagnetic simulation software on a multilayered structure for radiative cooling (RC) is investigated. …”
Get full text

Lingual Kinematics in Dysarthric and Nondysarthric Speakers with Parkinson's Disease by Min Ney Wong, Bruce E. Murdoch, Brooke-Mai Whelan

“…The tongue tip and tongue back movements of the participants during sentence production were recorded using electromagnetic articulography (EMA). Results showed that both the DPD and NDPD had deviant articulatory movement during consonant production that resulted in longer duration of consonant production. …”
Get full text

Anchor test and long-term monitoring of grouted anchors instrumented with Fiber Bragg Grating sensing technology by Daniela Runcziková, Jan Záleský, Marek Záleský, Jakub Koller, Ladislav Šašek

“…The use of optic fiber sensing technology, especially Fiber Bragg Gratings, brings many advantages of optic fiber sensors, such as high measurement accuracy, real-time continual monitoring of deformation, on-line access to data and resistance against electromagnetic interferences. This article deals with anchor tests instrumented with FBG deformation gauges of the root and the tendon of the pre-stressed strand anchor in a test field in the Central Bohemian Region. …”
Get full text

Design of SVC Controller Based on Improved Biogeography-Based Optimization Algorithm by Feifei Dong, Dichen Liu, Jun Wu, Bingcheng Cen, Haolei Wang, Chunli Song, Lina Ke

“…The effectiveness of the improved controller is verified by eigenvalue analysis and electromagnetic simulations. The simulation results of Jinjie plant indicate that the subsynchronous damping controller optimized by the IBBO algorithm can remarkably improve the damping of torsional modes and thus effectively depress SSR, and ensure the safety and stability of units and power grid operation. …”
Get full text

Research Progress on Applications of Metasurface-Based Optical Image Edge Detection Technology by Yuying Jiang, Qingcheng Sun, Tauseef Abbas, Hongyi Ge, Guangming Li, Keke Jia, Yuwei Bu, Huifang Zheng

“…Owing to their precise control over the phase, amplitude, and polarization state of electromagnetic waves, metasurfaces offer a novel approach to edge detection that not only overcomes the size limitations of traditional optical devices but also significantly enhances the flexibility and efficiency of image processing. …”
Get full text

Saturation Characteristics of Multi‐Band EMIC Waves in the Inner Magnetosphere and Observational Evidence for the Second Saturation Process by Zuxiang Xue, Zhigang Yuan, Dan Deng, Xiongdong Yu

“…Abstract The wave amplitude is vital for quantifying the impact of electromagnetic ion cyclotron (EMIC) waves on inner magnetospheric dynamics. …”
Get full text