Visible-mid infrared ultra-broadband and wide-angle metamaterial perfect absorber based on cermet films with nano-cone structure by Yang Fan, Li Rui-Hao, Tan Shi-Long, Dong Jian-Wen, Jiang Shao-Ji

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Communication System for Electric Energy Data Acquisition System of SGWM-Based 230 MHz Wireless Broadband Communications Key Technology by Lijun Dong, Qian Zhang, Enguo Zhu, Xuan Liu

“…Electric energy data acquisition system is an important part of smart grid.Against the problem of the communication way of the 230 MHz wireless private network in the electric energy data acquisition system,low communication rate,fewer access points,low acquisition success rate,poor real-time performance,the technical proposal of the SGWM-based 230 MHz wireless broadband communications key technology of the communication system for the electric energy data acquisition system was proposed.The communication network technologies,such as the carrier aggregation technology,smart routing technology,networking technology,were discussed.The SGWM wireless communications technology in the electric energy data acquisition system was elaborated.By designing and analyzing networking scheme,the result indicates that the field application effect of the SGWM-based 230 MHz wireless broadband communications key technology in the electric energy data acquisition system is very good.Thus it provided technical support for the propel of the information bidirectional interaction and construction of the strong smart grid.…”
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Combined Open-Slot and Monopole 8 × 8 High-Isolation Broadband MIMO Antenna System for Sub-6 GHz Terminals by Jie Guo, Shaoqing Zhang, Chong-Zhi Han, Liang Zhang

“…Furthermore, the proposed 8 × 8 MIMO antenna system has the measured broadband bandwidth from 3.28 GHz to 5.05 GHz (covering N77, N78, and N79 bands) and a compatible dimension for ultra-thin mobile phones. …”
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Polyaniline/Polystyrene Blends: In-Depth Analysis of the Effect of Sulfonic Acid Dopant Concentration on AC Conductivity Using Broadband Dielectric Spectroscopy by Noora Al-Thani, Mohammad K. Hassan, Jolly Bhadra

“…The AC conductivity of the blends was investigated using broadband dielectric spectroscopy. Increasing CSA resulted in a decrease in the AC conductivity of the blends. …”
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Review on the research of the global emergency communication spectrum by Xiaoyong LIU, Xixi FAN, Lin ZHU, Yuanxin YAO

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The urban carbon unlocking effect of digital infrastructure construction: A spatial difference-in-difference analysis from “Broadband China” pilot policy by Liang Guo, Lijing Chen, Zhen Yang

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Author Correction: Ultra-broadband all-optical nonlinear activation function enabled by MoTe2/optical waveguide integrated devices by Chenduan Chen, Zhan Yang, Tao Wang, Yalun Wang, Kai Gao, Jiajia Wu, Jun Wang, Jianrong Qiu, Dezhi Tan

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Application Status and Analysis of Starlink Constellation by Yu WANG, Qing LI, Kejun LI, Changlin JIANG, Ye WANG, Yong JIANG, Mingwei XU

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U.S. public television in the digital era: from niche to “Greek marketplace”? by Hélène Palmeri

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Joint resampling algorithm for parallel dual feedback time-frequency domain symbol timing recovery by Peixin ZHANG, Nan ZHANG, Daqing WANG, Tong WU, Zhe LI, Fengkui GONG

Subjects: “…broadband satellite communication…”
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History of the development of telecommunications infrastructure in Japan by Yoshio Arai

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A Spectrum Sharing Mechanism Between Narrowband M2M System and LTE System by Guoping Chen, Qingbo Du

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Le modèle de la société de l’information au Royaume-Uni et en Écosse by Lise-Marie Couronne-Geary

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Theory of Periodic Sequence: A Generalized Formalism of Maxwell’s Equations in Discrete Transform Domain by Ben You, Ke Wu

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Application of Redundancy and Standby Technology for BRAS in the Metropolitan Area Network by Xianfeng Wang, Tao Liu

Subjects: “…broadband remote access server…”
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Dynamic Reconfigurable Intelligent Microwave Photonics Network by Yuefeng Ji, Kun Xu, Huiping Tian, Yitang Dai, Ruixin Wang, Guansheng Shen

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High-sensitivity, high-speed, broadband mid-infrared photodetector enabled by a van der Waals heterostructure with a vertical transport channel by Jianfeng Wu, Jialin Zhang, Ruiqi Jiang, Hao Wu, Shouheng Chen, Xinlei Zhang, Wenhui Wang, Yuanfang Yu, Qiang Fu, Rui Lin, Yueying Cui, Tao Zhou, Zhenliang Hu, Dongyang Wan, Xiaolong Chen, Weida Hu, Hongwei Liu, Junpeng Lu, Zhenhua Ni

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Corrections to “Graphene-Metamaterial Based Tunable Broadband Polarization Insensitive Absorber for Terahertz Antenna Design” by Rummanur Rahad, Abu S. M. Mohsin, Mohammed Belal Hossain Bhuian, Md. Mosaddequr Rahman

“…Presents corrections to the paper, (Corrections to “Graphene-Metamaterial Based Tunable Broadband Polarization Insensitive Absorber for Terahertz Antenna Design”).…”
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3D-printed aberration-free terahertz metalens for ultra-broadband achromatic super-resolution wide-angle imaging with high numerical aperture by Jin Chen, Shao-Xin Huang, Ka Fai Chan, Geng-Bo Wu, Chi Hou Chan

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Low-Frequency Broadband Sound Transmission Loss of Infinite Orthogonally Rib-Stiffened Sandwich Structure with Periodic Subwavelength Arrays of Shunted Piezoelectric Patches by Zhifu Zhang, Weiguang Zheng, Qibai Huang

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