Cascaded Detection Method for Ship Targets Using High-Frequency Surface Wave Radar in the Time–Frequency Domain by Zhiqing Yang, Hao Zhou, Yingwei Tian, Gan Liu, Bing Zhang, Yao Qin, Peng Li, Weimin Huang

Subjects: “…high-frequency surface wave radar…”
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Unsupervised Anomaly Detection on Metal Surfaces Based on Frequency Domain Information Fusion by Wenfei Wu, Tao Tao, Jinsheng Xiao, Yichu Yao, Jianfeng Yang

“…The limited number of defect samples, unpredictable defect characteristics, and the interference of metal grain bring great challenges to metal surface defect detection. For this reason, this paper proposes an unsupervised algorithm, FFnet, based on the fusion of frequency domain information, which introduces the frequency domain features into the unsupervised detection. …”
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Effects of Dust and Moisture Surface Contaminants on Automotive Radar Sensor Frequencies by Jeongmin Kang, Oskar Hamidi, Karl Vanäs, Tobias Eidevåg, Emil Nilsson, Ross Friel

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Frequency‐Locked Wireless Multifunctional Surface Acoustic Wave Sensors by Luyu Bo, Jiali Li, Zhide Wang, Chongpeng Qiu, Bowen Cai, Yingshan Du, Teng Li, Hongye Liu, Zhenhua Tian

“…This study presents frequency‐locked wireless multifunctional SAW sensors that enable multiple wireless sensing functions, including strain sensing, temperature measurement, water presence detection, and vibration sensing. …”
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MIMO High Frequency Surface Wave Radar Using Sparse Frequency FMCW Signals by Mengguan Pan, Baixiao Chen

“…The heavily congested radio frequency environment severely limits the signal bandwidth of the high frequency surface wave radar (HFSWR). …”
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A Deep Learning-Based Time-Frequency Scheme for Ship Detection Using HFSWR by Da Huang, Hao Zhou, Yingwei Tian, Zhiqing Yang, Weimin Huang

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Gesture Recognition System Based on Time-Frequency Point Density of sEMG by Qiang Wang, Yao Chen, Chunhua Sheng, Shuaidi Song

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The Vertical Ionosphere Parameters Inversion for High Frequency Surface Wave Radar by Xuguang Yang, Changjun Yu, Aijun Liu, Linwei Wang, Taifan Quan

“…High Frequency Surface Wave Radar (HFSWR), which is currently applied in over-the-horizon detection of targets and sea states remote sensing, can receive a huge mass of ionospheric echoes, making it possible for the ionospheric clutter suppression to become a hot spot in research area. …”
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Radio frequency based detection of specific and nonspecific protein interaction by Annesha Mazumder, Arunangshu Biswas, Tapan K. Sau, Prabhakar Bhimalapuram, Azeemuddin Syed

“…The invariant resonance frequency response of the specific protein binding can be utilized as the basis of specific protein detection using RF sensing. …”
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Deghosting method for cross localization in distributed high frequency surface wave radar by Na Cui, Xuekun Chen, Changjun Yu

“…Abstract In this article, the challenging problem of multi‐target cross localization within a novel distributed high‐frequency surface wave radar (HFSWR) is tackled. This system consists of two transmitter‐receiver pairs, each of which can correspondingly generate a set of Range‐Doppler measurements. …”
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Cascaded Graphene Frequency Selective Surface Integrated Tunable Broadband Terahertz Metamaterial Absorber by Rishi Mishra, Arpit Sahu, Ravi Panwar

“…Hence, in this paper, a hybrid THz metamaterial absorber integrated with a cascaded graphene frequency selective surface (FSS), with ultra-high absorbance over a wide frequency range is designed using an analytical equivalent circuit model. …”
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Surface roughness detection based on spindle motor current signal by Liu Xuejie, Li Guofu, Ren Lu

“…Workpiece waste is usually caused by delayed detection of surface roughness. A rapid surface roughness detection classification based on the current signal of the spindle motor is proposed for the first time. …”
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Study on the orientation detection of surface cracks by electromagnetic acoustic emission by Zhichao Cai

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Current Status of Application of Spaceborne GNSS-R Raw Intermediate-Frequency Signal Measurements: Comprehensive Review by Qiulan Wang, Jinwei Bu, Yutong Wang, Donglan Huang, Hui Yang, Xiaoqing Zuo

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Detecting seasonal differences in high-frequency site response using κ0 by Annabel Händel, Marco Pilz, Luca C. Malatesta, David Litwin, Fabrice Cotton

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FTA-Net: Frequency-Temporal-Aware Network for Remote Sensing Change Detection by Taojun Zhu, Zikai Zhao, Min Xia, Junqing Huang, Liguo Weng, Kai Hu, Haifeng Lin, Wenyu Zhao

“…Change detection (CD) aims to explore surface changes in coaligned image pairs. …”
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A Dual-Polarized and Wideband Switchable Absorption/Transmission Frequency Selective Surface With Multispectral Functionality by Huangyan Li, Youyi Feng, Minxin Zhao, Xiang Wang, Danilo Brizi, Xiaoxing Fang, Jun Hu, Boyu Sima, Zhiyuan Zong, Wen Wu, Agostino Monorchio

“…In this paper, a microwave absorption/transmission switchable frequency selective surface (A/T-SFSS) with enhanced multispectral functionality in the visible and infrared spectra is developed. …”
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Automated Sidewalk Surface Detection Using Wearable Accelerometry and Deep Learning by Do-Eun Park, Jong-Hoon Youn, Teuk-Seob Song

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Analytical determination of the frequency of short circuits of the arc at surfacing in gas dioxide with welding pool mechanical oscillations by V. A. Lebedev, S. V. Novikov, S. A. Loy

“…On the basis of brief literature analysis of the works past years old its is showed that the frequency imposed on the welding pool has to detected by crystallization frequency near the crystallization front melt which is detected by a surfacing velocity and crystallization characteristics of weld pool metal. …”
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Adaptive Matching of High-Frequency Infrared Sea Surface Images Using a Phase-Consistency Model by Xiangyu Li, Jie Chen, Jianwei Li, Zhentao Yu, Yaxun Zhang

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