Deep Reinforcement Learning-Based Adaptive Nulling in Phased Array Under Dynamic Environments by Ying-Dar Lin, Jen-Hao Chang, Yuan-Cheng Lai

“…DRLnuller adopts the Proximal Policy Optimization (PPO) algorithm, a typical reinforcement learning algorithm, to dynamically optimize phased array weights through continuous interaction with the environment without relying on pre-computed or labeled data. …”
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Multi focus acoustic field generation using Dammann gratings for phased array transducers by Tatsuki Fushimi, Yusuke Koroyasu

“…Phased array transducers can shape acoustic fields for versatile manipulation; however, generating multiple focal points typically involves complex optimization. …”
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Research on the Architecture of Phased Array Antenna of LEO Communication Satellites Based on Hybrid Beamforming by Rong HU, Xiumei LI, Juan DENG, Jun ZHOU, Shujing DONG, Ling LIU, Wenying MA

“…Due to the characteristics of low earth orbit (LEO) communication satellite system like low propagation loss, small propagation delay and high pointing accuracy, a hybrid architecture-“analog beamforming stage and digital beamforming (DBF) stage” was proposed, and the principle and advantages of hybrid beamforming were analyzed.Through three dimensional integrating of multi-channel RF frontend chips, mixers, dedicated DBF ASIC chips, and tiles phased array anntena arrays, the proposed hybrid beamforming could be expanded or spliced.This hybrid architecture achieved the optimization of performance, cost, complexity and power consumption, and provided a reference for China to build space based internet of things system and reconfi gurable phased array antenna system in the future.…”
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Implantable silicon neural probes with nanophotonic phased arrays for single-lobe beam steering by Fu-Der Chen, Ankita Sharma, Tianyuan Xue, Youngho Jung, Alperen Govdeli, Jason C. C. Mak, Homeira Moradi Chameh, Mandana Movahed, Michael G. K. Brunk, Xianshu Luo, Hongyao Chua, Patrick Guo-Qiang Lo, Taufik A. Valiante, Wesley D. Sacher, Joyce K. S. Poon

“…The light emitters, optimized for blue or amber light, combine end-fire optical phased arrays with slab gratings to suppress higher-order sidelobes. …”
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Experimental demonstration of dual-polarization multiplexed optical phased array empowered by inverse design by Kim Jae-Yong, Lee Seungsoo, Hong Seokjin, Neseli Berkay, Choi Seungyoon, Park Hyo-Hoon, Kurt Hamza

“…This paper presents a dual-polarization multiplexed optical phased array (OPA) implemented on a 220 nm silicon-on-insulator (SOI) platform, enabling continuous beam steering across TE and TM modes. …”
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Shape Adjustment of a Large Planar Phased Array Antenna With Nonlinear Cable Actuators by Jiyang Zhou, Xiang Liu, Guoping Cai, Jun Sun, Dongfang Zhu

“…Shape adjustment of large planar phased array antennas is significant because the shape distortion of phased arrays can greatly reduce the antenna’s gain in the observing direction. …”
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Experimental Study on Lateral Resolution of Phased Array Ultrasonic Testing of Irregular Structure Weld Defects by Wenjing Liu, Zechun Wen, Jianguo Wang, Shaofeng Wang, Hailing Wang, Wenliang Zhang, Shunzhou Huang, Jun Hong

“…This paper is interested in how to utilize phased array ultrasonic testing (PAUT) to identify and locate irregular structure weld defects. …”
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A Fast and Efficient Beamforming Algorithm Imitating Plant Growth Gene for Phased Array Antenna by Jinling Zhang, Chen Han, Zhanqi Zheng, Xiongzhi Zhu, Xiaohui Li

“…In this paper, a new beamforming algorithm for phased array antennas is proposed, the plant growth gene algorithm. …”
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Performance Analysis of Large-Scale Digital Phased Array Mixed-ADC Receiver in Compact Space by ZHANG Yi, GAO Hang, MA Song, GUO Hongru, XIA Bin, ZHANG Chaoxian

“…In order to evaluate the performance of large-scale digital phased array mixed-ADC receivers under the influence of mutual coupling effects in compact spaces, a performance analysis method was proposed. …”
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Research on Intelligent Classification of Ultrasonic Phased Array Image of Welding Seam of Naval Gun Cradle by Wenjing Liu, Erqing Zhang, Jianguo Wang, Shaofeng Wang, Shunzhou Huang

“…This study is interested in extracting representative features of the ultrasonic phased array image intelligent classification of the internal defects of naval gun mounts. …”
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The optimization method for wind field retrieval using high-density radar networks and its application effect verification by Ran XU, Liping LIU

“…In this study, anan improved method (D-3DVAR) that can obtain high-quality large-scale wind field results is proposed by combining the dual-radar wind field retrieval method, based on the 3DVAR method, using 11 S-band Doppler weather radars and 27 X-band phased array weather radars in Guangdong Province. …”
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A Compact Wideband Millimeter-Wave Crossover for Phased Array Antenna Systems in Remote Sensing Applications by Fayyadh H. Ahmed, Rola Saad, Salam K. Khamas

“…The proposed design exhibits excellent scattering parameters, which enhance the efficiency of phased array antenna systems in terms of power transfer between input and output ports, as well as improving isolation between different input ports in the feed network of these systems used in remote sensing. …”
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Waveform Optimization for Enhancing the Performance of a Scanning Imaging Radar Utilizing a Terahertz Metamaterial Antenna by Heng Zhang, Hongqiang Wang, Chenggao Luo, Chuanying Liang, Feng Lan

Subjects: “…terahertz metamaterial phased array (TMPA)…”
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On Line-of-Sight Stabilization of Fizeau Phased Array Telescope System With Delay Compensation-Based Disturbance Observer by Qiong Tu, Qiang Wang, Jian-Liang Shi, Kai-Yuan Yang, Wei Tang, Yang Li, Rong-Qi Ma, Yong-Mei Huang

“…In the satellite-borne Fizeau phased array telescope (FPAT), the imaging quality is significantly deteriorated by tip-tilt disturbances induced by carrier maneuvering. …”
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Ultrasonic phased array flexible coupling detection of defects in high-voltage cable terminal lead seals by Peng Ziping, Zheng Jishi, Zhen Zhiming, Huang Yaosheng, Li Xiaobin, Cai Qiushen

“…Firstly, a simulation model for lead seal defects is established using COMSOL finite element simulation software to design and optimize the detection parameters of the ultrasonic phased array probe. …”
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Polarization Multiplexing Silicon-Photonic Optical Phased Array for 2D Wide-Angle Optical Beam Steering by Xibo Yan, Jingye Chen, Daoxin Dai, Yaocheng Shi

“…We propose the silicon photonic optical phased array (OPA) with large scanning angle by using polarization multiplexing. …”
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The Research on Path Planning Method for Detecting Automotive Steering Knuckles Based on Phased Array Ultrasound Point Cloud by Yihao Mao, Jun Tu, Huizhen Wang, Yangfan Zhou, Qiao Wu, Xu Zhang, Xiaochun Song

“…The results show that the point cloud data of the steering knuckle specimen, obtained using phased array ultrasound, had a relative measurement error controlled within 1.4%, and the error between the calculated probe angle and the theoretical angle did not exceed 0.5°. …”
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A Reconfigurable Digital Beamformer Implemented on a Field-Programmable Gate Array for Real-Time and Resource-Efficient Direction-of-Arrival Estimation by Yuting Wang, Liyuan Zhu, Tianxiang Wu, Shunli Ma

“…By dynamically switching operational modes and fine-tuning the granularity of processing tasks, this architecture maximizes the efficient use of Field-Programmable Gate Array (FPGA) resources, ensuring optimal performance and flexibility in real-time signal processing applications. …”
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KDFE: Robust KNN-Driven Fusion Estimator for LEO-SoOP Under Multi-Beam Phased-Array Dynamics by Jiaqi Yin, Ruidan Luo, Xiao Chen, Linhui Zhao, Hong Yuan, Guang Yang

“…Empirical analysis reveals that phased-array beamforming generates three-tiered SNR fluctuation patterns during unpredictable beam handovers, rendering conventional single-algorithm solutions fundamentally inadequate. …”
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Development of an out-of-Focus Irradiator Based on a Phased Antenna Array for a Space Communications' Parabolic Reflector Antenna by D. V. Douksha, S. V. Liashkevich, V. A. Saetchnikov

“…The requirements for the phased antenna array element were defined. The irradiator based on the above mentioned was simulated and the irradiator geometry was optimized according to the maximum gain criterion.The maximum gain was achieved for the irradiator based on conical spiral antennas and amounted to 30.8 dB, which for the considered mirror aperture of 2.4 m is close to traditional focal schemes. …”
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