Search Results - "Cheng, Yayun"

Concealed object enhancement using multi-polarization information for passive millimeter and terahertz wave security screening by Cheng, Yayun, Wang, Yingxin, Niu, Yingying, Zhao, Ziran

“…Passive millimeter and terahertz wave imaging has become a significant potential technique for human security check and scene monitoring. Due to the small…”
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Vessel Target Detection in Spaceborne–Airborne Collaborative SAR Images via Proposal and Polarization Fusion by Zhu, Dong, Wang, Xueqian, Cheng, Yayun, Li, Gang

“…This paper focuses on vessel detection through the fusion of synthetic aperture radar (SAR) images acquired from spaceborne–airborne collaborative…”
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Editorial: Advanced signal processing techniques in radiation detection and imaging by Dong, Jian, Liu, Zilong, Cheng, Yayun

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OAM waves with fewer redundant OAM modes generated by two circularly polarized antenna arrays by Liu, Dandan, Liu, Sentao, Wu, Wei, Cheng, Yayun, Gui, Liangqi

“…Two circularly polarized antenna arrays, which reduce two redundant OAM modes, are proposed in this paper. One antenna array is composed of 8 right-handed…”
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Dissolved organic matter characterization of swine wastewater with step-feed two-stage anoxic/oxic (A/O/A/O) process by using EEM-PARAFAC by Liu, Jingjing, Zhong, Zhenxing, Cheng, Yayun, Zhang, Beiping

“…Swine wastewater has become one of the main agricultural pollutants in China and been widely concerned by the public. Biotechnology is a ommon economic and…”
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Comparison of Dissolved Organic Matter Composition and Microbial Distribution between Distributed-Inflow Biological Reactor and Two-Stage Anoxic/Aerobic for Piggery Wastewater Treatment by Liu, Jingjing, Gao, Jinliang, Zhong, Zhenxing, Cheng, Yayun, Zhang, Beiping

“…Piggery wastewater contains high amounts of feces, carbon, nitrogen, phosphorus, and other contaminants, introducing serious pollution into water, soil, and…”
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Artifact suppression using cross-circular polarization for millimeter-wave imaging by Qiu, Shuang, Lu, Jian, Zhang, Yongshen, Cheng, Yayun

“…Millimeter-wave imaging is widely applied to radar detection, personnel security inspection, environmental perception, and so on. Multipath artifact is a…”
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Material Clustering Using Passive Millimeter-Wave Polarimetric Imagery by Su, Jinlong, Tian, Yan, Hu, Fei, Cheng, Yayun, Hu, Yan

“…Passive millimeter-wave imaging has emerged as a useful tool in many remote sensing applications, including resource remote sensing, material classification,…”
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Polarization-Based Method for Object Surface Orientation Information in Passive Millimeter-Wave Imaging by Cheng, Yayun, Hu, Fei, Gui, Liangqi, Wu, Liang, Lang, Liang

“…Surface orientation information is essential to depicting the 3-D structure of an object. This paper analyzes the linear polarization characteristics of…”
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RFI Mitigation in Aperture Synthesis Radiometers Using a Modified CLEAN Algorithm by Hu, Fei, Peng, Xiaohui, He, Feng, Wu, Liang, Li, Jun, Cheng, Yayun, Zhu, Dong

“…For aperture synthesis radiometers, sparse samplings on the u -v frequency plane cause undesirable sidelobes in the synthesized beam. Through these sidelobes,…”
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A Ship Detection and Tracking Algorithm for an Airborne Passive Interferometric Microwave Sensor (PIMS) by Lu, Hailiang, Li, Hao, Chen, Liangbing, Cheng, Yayun, Zhu, Dong, Li, Yinan, Lv, Rongchuan, Chen, Gang, Su, Xiang, Lang, Liang, Li, Qingxia, Zhao, Yingying

“…Ship detection by an airborne passive interferometric microwave sensor has been proposed as a powerful complementary tool for ship detection, especially for…”
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Efficient room-temperature terahertz detection via bolometric and photothermoelectric effects in EuBiTe3 crystal by Niu, Yingying, Wang, Yingxin, Wu, Weidong, Wen, Jianguo, Cheng, Yayun, Chen, Meng, Jiang, Shoulu, Wu, Dong, Zhao, Ziran

“…We report on terahertz (THz) detectors with a high performance at room temperature using EuBiTe3 crystals as the active material under mechanisms of bolometric…”
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An L-Band Phased Array Radiometer for Sea Surface Salinity in Coastal Zones by Lu, Hailiang, Li, Hao, Cheng, Yayun, Zhu, Dong, Li, Yinan, Dang, Pengju, Lv, Rongchuan, Yu, Rui, Fu, Yongjie

“…Sea surface salinity (SSS) in coastal zones with high temporal and spatial resolutions is also needed for scientific research and marine economy. However, one…”
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Errors Analysis and Improvement on Measurement Method for Microwave/Millimeter-Wave Emissivity of Small Targets by Radiometer by Su, Jinlong, Tian, Yan, Hu, Fei, Cheng, Yayun, Zhang, Zili

“…When using traditional methods to measure the microwave/millimeter-wave emissivity of small targets, errors arise due to that the antenna's main lobe and side…”
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Millimeter-wave emission characteristics of bilayer radar-infrared compound stealth material by 程亚运 胡飞 贺锋 吴量 何小琴

“…To achieve radar and infrared stealth, an infrared stealth layer is usually added to the radar absorbing material（RAM） of stealth aircraft. By analyzing the…”
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Reduction of the Instrument Model Error in Aperture Synthesis Radiometers by Peng, Xiaohui, Hu, Fei, Zhu, Dong, Cheng, Yayun, Zheng, Tao, Hu, Hao

“…Aperture synthesis radiometers measure the visibilities of the scene under observation by an antenna array, and based on these visibility measurements, inverse…”
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Design on curves of wall-thickness for Blow Molding Machine based on HMI by Cheng, Yayun, Zhu, Zhisong, Liu, Jing

“…Properly control of blow molding machine’s wall-thickness relates to the quality of plastic products,design on curves is the key technology of blow molding…”
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Matrix Diffractive Deep Neural Networks Merging Polarization into Meta‐Devices by Wang, Yuzhong, Yu, Axiang, Cheng, Yayun, Qi, Jiaran

“…The all‐optical diffractive deep neural networks (D2NNs) framework as a hardware platform is demonstrated to implement various advanced functional meta‐devices…”
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Reflection Removal Using Dual-Polarization and Saliency in Millimeter-Wave and Terahertz Imaging by Cheng, Yayun, You, Yan, Zhu, Dong, Wang, Yingxin, Zhao, Ziran

“…Passive millimeter-wave and terahertz (MMW/THz) imaging is a significant technique used in personal security inspection and scene surveillance. However, a…”
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RFI Source Detection Based on Reweighted ℓ1-Norm Minimization for Microwave Interferometric Radiometry by Zhu, Dong, Lu, Hailiang, Cheng, Yayun

“…Radio frequency interference (RFI) seriously deteriorates the quality of the retrieval of geophysical parameters, e.g., Earth surface moisture and ocean…”
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