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Echocardiographic Measurements in Normal Chinese Adults(EMINCA)II focusing on left ventricular and left atrial size and function by three-dimensional echocardiography

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Frontiers of Medicine 2024年第4期18卷 649-663页

作者： Yingbin wang Yu zhang Guihua Yao Hong Tang Lixin Chen Lixue Yin tiangang Zhu Jianjun Yuan Wei Han jun Yang Xianhong Shu Ya Yang Yulin Wei Yanli Guo Weidong Ren Dongmei Gao Guilin Lu Ji Wu Hongning Yin Yuming Mu Jiawei tian Lijun Yuan Xiaojing Ma Hongyan Dai Yunchuan Ding Mingyan Ding Qing Zhou Hao wang Di Xu Mei zhang Yun zhang State Key Laboratory for Innovation and Transformation of Luobing Theory Key Laboratory of Cardiovascular Remodeling and Function ResearchChinese Ministry of EducationChinese National Health Commission and Chinese Academy of Medical SciencesDepartment of CardiologyQilu Hospital of Shandong UniversityJinan250012China Department of Cardiology Qilu Hospital of Shandong University(Qingdao)Qingdao266000China Department of Ultrasonography West China HospitalSichuan UniversityChengdu610041China Department of Ultrasonography Shenzhen People’s Hospital/The Second Clinical Medical College of Jinan UniversityShenzhen518020China Department of Ultrasonography Electronic Science and Technology University of ChinaThe Affiliated Sichuan Provincial People’s HospitalChengdu610072China Department of Cardiology Peking University People’s HospitalBeijing100044China Department of Ultrasonography Henan Provincial People’s HospitalZhengzhou463599China Department of Cardiology The First Affiliated Hospital of Harbin Medical UniversityHarbin150007China Department of Echocardiology The First Affiliated Hospital of China Medical UniversityShenyang110001China Department of Echocardiology Zhongshan HospitalFudan UniversityShanghai200032China Department of Echocardiology Beijing Anzhen HospitalCapital Medical UniversityBeijing100029China Department of Cardiology Sun Yat-sen Memorial HospitalSun Yat-sen UniversityGuangzhou510120China Department of Ultrasonography The Southwest Hospital of AMUChongqing400038China Department of Ultrasonography Shengjing Hospital of China Medical UniversityShenyang110136China Department of Ultrasonography China-Japan Union hospital of Jilin UniversityChangchun130033China Department of Ultrasonography First Affiliated HospitalSchool of MedicineShihezi UniversityShihezi832000China Department of Ultrasonography The First Affiliated Hospital of Guangxi Medical UniversityNanning537406China Department of Echocardiology The Second Hospital of Hebei Medical Uni

Current guidelines encourage large studies in a diverse population to establish normal reference ranges for three-dimensional(3D)echocardiography for different ethnic *** study was designed to establish the normal values of 3D-left ventricular(LV)and left atrial(LA)volume and function in a nationwide,population-based cohort of healthy Han Chinese adults.A total of 1117 healthy volunteers aged 18–89 years were enrolled from 28 collaborating laboratories in *** sets of 3D echocardiographic instruments were used,and full-volume echocardiographic images were recorded and transmitted to a core laboratory for image analysis with a vendor-independent off-line ***,866 volunteers(mean age of 48.4 years,402 men)were qualified for final *** parameters exhibited substantial differences between different sex and age groups,even after indexation by body surface *** normal ranges of 3D-LV and 3D-LA volume and function differed from those recommended by the American Society of Echocardiography and the European Association of Cardiovascular Imaging guidelines,presented by the World Alliance Societies of Echocardiography(WASE)study,and from the 2D values in the EMINCA *** normal reference values of 3D echocardiography-derived LV and LA volume and function were established for the first time in healthy Han Chinese *** ranges of 3D-LV and 3D-LA echocardiographic measurements stratified with sex,age,and race should be recommended for clinical applications.

关键词： three-dimensional echocardiography left ventricle left atrium normal reference values Chinese adults

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Applying Hybrid Clustering in Pulsar Candidate Sifting with Multi-modality for FAST Survey

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Research in Astronomy and Astrophysics 2024年第3期24卷 283-296页

作者： Zi-Yi You Yun-Rong Pan Zhi Ma Li zhang Shuo Xiao Dan-Dan zhang Shi-jun Dang Ru-Shuang Zhao Pei wang Ai-jun Dong Jia-Tao Jiang Ji-Bing Leng Wei-An Li Si-Yao Li school of Physics and electronic Science Guizhou Normal UniversityGuiyang 550025China Guizhou Provincial Key Laboratory of Radio Astronomy and Data Processing Guizhou Normal UniversityGuiyang 550025China College of Big Data and information engineering Guizhou UniversityGuiyang 550025China CAS Key Laboratory of FAST National Astronomical ObservatoriesChinese Academy of SciencesBeijing 100101China Key Laboratory of information and Computing Guizhou Province Guizhou Normal UniversityGuiyang 550001China school of Big data and Computer Science Guizhou Normal UniversityGuiyang 550025China Guizhou Software engineering Research Center Guiyang 550000China

Pulsar search is always the basis of pulsar navigation,gravitational wave detection and other research ***,the volume of pulsar candidates collected by the Five-hundred-meter Aperture Spherical radio Telescope(FAST)shows an explosive growth rate that has brought challenges for its pulsar candidate filtering ***,the multi-view heterogeneous data and class imbalance between true pulsars and non-pulsar candidates have negative effects on traditional single-modal supervised classification *** this study,a multi-modal and semi-supervised learning based on a pulsar candidate sifting algorithm is presented,which adopts a hybrid ensemble clustering scheme of density-based and partition-based methods combined with a feature-level fusion strategy for input data and a data partition strategy for *** on both High Time Resolution Universe SurveyⅡ(HTRU2)and actual FAST observation data demonstrate that the proposed algorithm could excellently identify pulsars:On HTRU2,the precision and recall rates of its parallel mode reach0.981 and 0.988 *** FAST data,those of its parallel mode reach 0.891 and 0.961,meanwhile,the running time also significantly decreases with the increment of parallel nodes within ***,we can conclude that our algorithm could be a feasible idea for large scale pulsar candidate sifting for FAST drift scan observation.

关键词： methods data analysis-surveys-methods numerical

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Scientific Advances and Weather Services of the china Meteorological Administration’s National Forecasting Systems during the beijing 2022 Winter Olympics

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Advances in Atmospheric Sciences 2024年第5期41卷 767-776页

作者： Guo DENG Xueshun SHEN jun DU Jiandong GONG Hua TONG Liantang DENG Zhifang XU Jing CHEN Jian sun Yong wang Jiangkai HU Jianjie wang Mingxuan CHEN Huiling YUAN Yutao zhang Hongqi LI Yuanzhe wang Li GAO Li SHENG Da LI Li LI Hao wang Ying ZHAO Yinglin LI Zhili LIU Wenhua GUO china Meteorological Administration Earth System Modeling and Prediction Centre Beijing 100081China State Key Laboratory of Severe Weather China Meteorological AdministrationBeijing 100081China Key Laboratory of Earth System Modeling and Prediction China Meteorological AdministrationBeijing 100081China National Meteorological Center China Meteorological AdministrationBeijing 100081China Environmental Modeling Center/NCEP/NWS/NOAA College ParkMD 20740USA Nanjing university of information Science and Technology Nanjing 210044China Institute of Urban Meteorology China Meteorological AdministrationBeijing 100089China school of Atmospheric Sciences and Key Laboratory of Mesoscale Severe Weather/Ministry of Education Nanjing UniversityNanjing 210023China Tsinghua university Beijing 100084China

Since the beijing 2022 Winter Olympics was the first Winter Olympics in history held in continental winter monsoon climate conditions across complex terrain areas,there is a deficiency of relevant research,operational techniques,and *** made providing meteorological services for this event particularly *** china Meteorological Administration(CMA)Earth System Modeling and Prediction Centre,achieved breakthroughs in research on short-and medium-term deterministic and ensemble numerical *** key technologies crucial for precise winter weather services during the Winter Olympics were developed.A comprehensive framework,known as the Operational System for High-Precision Weather Forecasting for the Winter Olympics,was *** of these advancements represent the highest level of capabilities currently available in *** meteorological service provided to the beijing 2022 Games also exceeded previous Winter Olympic Games in both variety and *** included achievements such as the“100-meter level,minute level”downscaled spatiotemporal resolution and forecasts spanning 1 to 15 *** 30 new technologies and over 60 kinds of products that align with the requirements of the Winter Olympics Organizing Committee were developed,and many of these techniques have since been integrated into the CMA’s operational national forecasting *** accomplishments were facilitated by a dedicated weather forecasting and research initiative,in conjunction with the preexisting real-time operational forecasting systems of the *** program represents one of the five subprograms of the WMO’s high-impact weather forecasting demonstration project(SMART2022),and continues to play an important role in their Regional Association(RA)II Research Development Project(Hangzhou RDP).Therefore,the research accomplishments and meteorological service experiences from this program will be carried forward into forthcoming highimpact weather

关键词： beijing Winter Olympic Games CMA national forecasting system data assimilation ensemble forecast bias correction and downscaling machine learning-based fusion methods

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Textured Asymmetric Membrane Electrode Assemblies of Piezoelectric Phosphorene and Ti_(3)C_(2)T_(x)MXene Heterostructures for Enhanced Electrochemical Stability and Kinetics in LIBs

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Nano-Micro Letters 2024年第4期16卷 394-414页

作者： Yihui Li Juan Xie Ruofei wang Shugang Min Zewen Xu Yangjian Ding Pengcheng Su Xingmin zhang Liyu Wei Jing‑Feng Li Zhaoqiang Chu Jingyu sun Cheng Huang Volta and DiPole Materials Labs College of EnergySoochow Institute for Energy and Materials InnovationS(SIEMIS)Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu ProvinceKey Laboratory of Core Technology of High Specific Energy Battery and Key Materials for Petroleum and Chemical IndustrySoochow UniversitySuzhou 215006People’s Republic of China school of Materials Science and engineering Jiangsu UniversityZhenjiang 212013People’s Republic of China College of Underwater Acoustic engineering Harbin Engineering UniversityHarbin 150001People’s Republic of China Shanghai Synchrotron Radiation Facility Shanghai Advanced Research InstituteShanghai Institute of Applied PhysicsChinese Academy of SciencesShanghai 201204People’s Republic of China State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijing 100084People’s Republic of China High Density Materials Technology Center for Flexible Hybrid electronics Suzhou Institute of Electronic Functional Materials TechnologySuzhou Industrial Technology Research InstituteSuzhou 215151People’s Republic of China Institute of Advanced Materials and Institute of Membrane Science and Technology Jiangsu National Synergistic Innovation Center for Advanced MaterialsSuzhou Laboratory and Nanjing Tech UniversityNanjing 211816People’s Republic of China

Black phosphorus with a superior theoretical capacity(2596 mAh g^(-1))and high conductivity is regarded as one of the powerful candidates for lithium-ion battery(LIB)anode materials,whereas the severe volume expansion and sluggish kinetics still impede its applications in *** contrast,the exfoliated two-dimensional phosphorene owns negligible volume variation,and its intrinsic piezoelectricity is considered to be beneficial to the Li-ion transfer kinetics,while its positive influence has not been discussed ***,a phosphorene/MXene heterostructure-textured nanopiezocomposite is proposed with even phosphorene distribution and enhanced piezo-electrochemical coupling as an applicable free-standing asymmetric membrane electrode beyond the skin effect for enhanced Li-ion *** experimental and simulation analysis reveals that the embedded phosphorene nanosheets not only provide abundant active sites for Li-ions,but also endow the nanocomposite with favorable piezoelectricity,thus promoting the Li-ion transfer kinetics by generating the piezoelectric field serving as an extra *** waltzing with the MXene framework,the optimized electrode exhibits enhanced kinetics and stability,achieving stable cycling performances for 1,000 cycles at 2 A g^(-1),and delivering a high reversible capacity of 524 m Ah g^(-1)at-20℃,indicating the positive influence of the structural merits of self-assembled nanopiezocomposites on promoting stability and kinetics.

关键词： Phosphorene Nanopiezocomposite Piezo-electrochemical coupling Membrane electrode assembly Lithium-ion storage

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多接收机局域机场监视系统的完好性算法

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上海交通大学学报 2011年第7期45卷 1041-1045,1049页

作者：王志鹏张军朱衍波薛瑞北京航空航天大学电子信息工程学院北京100191

现有局域机场监视系统(LAM)采用单接收机,健壮性和完好性较差.基于多接收机LAM(MLAM)概念,从地面监测站和机载用户两方面讨论了其完好性.在地面监测站方面,研究了多接收机伪距校正数校验方法;通过地面监测保护级最小原则选择最佳可见卫... 详细信息

现有局域机场监视系统(LAM)采用单接收机,健壮性和完好性较差.基于多接收机LAM(MLAM)概念,从地面监测站和机载用户两方面讨论了其完好性.在地面监测站方面,研究了多接收机伪距校正数校验方法;通过地面监测保护级最小原则选择最佳可见卫星组合,减小了机载用户的计算负担.在机载用户方面,考虑系统完好性、连续性和可用性的前提下进行漏检系数计算,精确估计了机载用户保护级,改善了系统的整体性能.实验结果表明,与LAM相比,MLAM的精度和完好性指标都得到了提高.

关键词：卫星导航局域增强系统局域机场监视系统

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Artificial intelligence for geoscience:Progress,challenges,and perspectives

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The Innovation 2024年第5期5卷 136-160,135页

作者： tianjie Zhao Sheng wang Chaojun Ouyang Min Chen Chenying Liu Jin zhang Long Yu Fei wang Yong Xie jun Li Fang wang Sabine Grunwald Bryan MWong Fan zhang Zhen Qian Yongjun Xu Chengqing Yu Wei Han Tao sun Zezhi Shao Tangwen Qian Zhao Chen Jiangyuan Zeng Huai zhang Husi Letu Bing zhang Li wang Lei Luo Chong Shi Hongjun Su Hongsheng zhang Shuai Yin Ni Huang Wei Zhao Nan Li Chaolei Zheng Yang Zhou Changping Huang Defeng Feng Qingsong Xu Yan Wu Danfeng Hong Zhenyu wang Yinyi Lin Tangtang zhang Prashant Kumar Antonio Plaza Jocelyn Chanussot Jiabao zhang Jiancheng Shi Lizhe wang Aerospace information Research Institute Chinese Academy of SciencesBeijing 100094China school of Computer Science China University of GeosciencesWuhan 430078China State Key Laboratory of Mountain Hazards and engineering Resilience Institute of Mountain Hazards and EnvironmentChinese Academy of SciencesChengdu 610299China Key Laboratory of Virtual Geographic Environment(Ministry of Education of PRC) Nanjing Normal UniversityNanjing 210023China Data Science in Earth Observation Technical University of Munich80333 MunichGermany The National Key Laboratory of Water Disaster Prevention Yangtze Institute for Conservation and DevelopmentHohai UniversityNanjing 210098China Institute of Computing Technology Chinese Academy of SciencesBeijing 100190China school of Geographical Sciences Nanjing University of Information Science and TechnologyNanjing 210044China State Key Laboratory of Soil and Sustainable Agriculture Institute of Soil ScienceChinese Academy of SciencesNanjing 210008China Soil Water and Ecosystem Sciences DepartmentUniversity of FloridaPO Box 110290GainesvilleFLUSA Materials Science engineering Program Cooperating Faculty Member in the Department of Chemistry and Department of Physics Astronomy University of CaliforniaCaliforniaRiversideCA 92521USA Institute of Remote Sensing and Geographical information System School of Earth and Space SciencesPeking UniversityBeijing 100871China Key Laboratory of Computational Geodynamics University of Chinese Academy of SciencesBeijing 100049China International Research Center of Big Data for Sustainable Development Goals Beijing 100094China College of Geography and Remote Sensing Hohai UniversityNanjing 211100China Department of Geography The University of Hong KongHong Kong 999077SARChina Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control Nanjing 210044China school of Environmental Science and engineering Nanjing University of Information Science&TechnologyNanjing 210044China Collaborative Inno

This paper explores the evolution of geoscientific inquiry,tracing the progression from traditional physics-based models to modern data-driven approaches facilitated by significant advancements in artificial intelligence(AI)and data collection *** models,which are grounded in physical and numerical frameworks,provide robust explanations by explicitly reconstructing underlying physical ***,their limitations in comprehensively capturing Earth’s complexities and uncertainties pose challenges in optimization and real-world *** contrast,contemporary data-driven models,particularly those utilizing machine learning(ML)and deep learning(DL),leverage extensive geoscience data to glean insights without requiring exhaustive theoretical *** techniques have shown promise in addressing Earth science-related ***,challenges such as data scarcity,computational demands,data privacy concerns,and the“black-box”nature of AI models hinder their seamless integration into *** integration of physics-based and data-driven methodologies into hybrid models presents an alternative *** models,which incorporate domain knowledge to guide AI methodologies,demonstrate enhanced efficiency and performance with reduced training data *** review provides a comprehensive overview of geoscientific research paradigms,emphasizing untapped opportunities at the intersection of advanced AI techniques and *** examines major methodologies,showcases advances in large-scale models,and discusses the challenges and prospects that will shape the future landscape of AI in *** paper outlines a dynamic field ripe with possibilities,poised to unlock new understandings of Earth’s complexities and further advance geoscience exploration.

关键词： Earth utilizing landscape

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Interfacial DMI in Fe/Pt thin films grown on different buffer layers

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Chinese Physics B 2024年第4期33卷 712-718页

作者：张文君魏菲刘冰周阳康仕寿孙兵 school of Physics and electronic information Weifang UniversityWeifang 261061China school of Physics and State Key Laboratory of Crystal Materials Shandong UniversityJinan 250100China

We study the interfacial Dzyaloshinskii-Moriya interactions(i-DMI)of Fe/Pt bilayers grown on Si substrates with MgO,SiO_(2),or Ta each as a buffer layer on the basis of wave-vector-resolved Brillouin light scattering(BLS)*** obtained i-DMI energy values for Fe/Pt on MgO,Ta,and SiO_(2) buffer layers are 0.359,0.321,and 0.274 mJ/m~2,*** large i-DMI value observed in Fe/Pt system on the MgO buffer layer can be attributed to the good interfacial quality and the Rshaba effect at the MgO/Fe ***,the MgO/Fe/Pt system,benefiting from better sample quality,exhibits a lower damping ***,layer-resolved first-principles calculations are carried out to gain a more in-depth understanding of the origin of the i-DMI in the Fe/Pt *** results indicate that in the Fe(110)/Pt(111)system,the substantial DMI energy between Fe spins at the interface is related to a significant change in spin-orbit coupling(SOC)energy in the neighboring Pt *** contrast,for the MgO(002)/Fe(002)system,both the DMI and its related SOC energy are concentrated at the interfacial Fe *** investigation will provide a valuable insight into the spintronic community in exploring novel devices with chirality dependence.

关键词： Fe/Pt i-DMI BLS ferromagnetic resonance magnetic relaxation

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Antenna Design for Modern Mobile Phones: A Review

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Electromagnetic Science 2024年第2期2卷 55-90页

作者： Yan wang Libin sun Zhengwei Du Zhijun zhang Key Laboratory for information Science of Electromagnetic Waves(MoE) School of Information Science and TechnologyFudan UniversityShanghai 200433China Shanghai Huawei Technologies Ltd.Shanghai 201206China beijing National Research Center for information Science and Technology Department of Electronic EngineeringTsinghua UniversityBeijing 100084China

Due to limited antenna space,high communication requirements,and strict regulatory constraints,the design of antennas for modern mobile phones has become an exceedingly challenging *** recent years,numerous studies have been conducted in this area,leading to significant *** review paper comprehensively summarizes recent progress made in antenna design for modern mobile ***,the challenges faced in antenna design for modern mobile phones are described,including bandwidth enhancement,integration and decoupling techniques,mm-wave array antennas,satellite communication antennas,as well as interactions between mobile antennas and the human ***,the basic antenna types(such as inverted-F,slot,loop,and planar inverted-F antennas)commonly used in modern metal-bezel mobile phones along with their key characteristics are briefly ***,the commonly exployed methods used in practical applications for designing wideband antennas within compact sizes and achieving decoupling among multiple antennas with wide bandwidths are ***,recent advances in the design of compact,wideband,and wide-angle scanning mm-wave arrays for modern mobile phones are ***,recent progress made in satellite communication antenna designs for modern mobile phones,including broadside and end-fire radiation patterns,is ***,recent studies on the interaction between mobile antennas and the human body are briefly ***,the future challenge of antenna design for mobile phones is briefly *** is our hope that this comprehensive review will provide readers with a systematic understanding of antenna design principles applicable to modern mobile phones.

关键词： Mobile antenna Bandwidth Decoupling mm-wave antenna Satellite communication antenna Specific absorption rate

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Enhancing Offensive Language Detection with Data Augmentation and Knowledge Distillation

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Research 2024年第2期6卷 29-40页

作者： Jiawen Deng Zhuang Chen Hao sun Zhexin zhang Jincenzi Wu Satoshi Nakagawa Fuji Ren Minlie Huang The CoAl group DCSTInstitute for Artificial InteligenceState Key Lab of Intelligent Technology and SystemsBeijing National Research Center for Information Science and TechnologyTsinghua UniversityBeijing 100084China Graduate school of information Science&Technology The University of Tokyo.Tokyo 1138654Japan school of Computer Science and engineering University of Electronic Science and Technology of ChinaChengduSichuan611731China

Offensive language detection has received important attention and plays a crucial role in promoting healthy communication on social platforms,as well as promoting the safe deployment of large language *** data is the basis for developing detectors;however,the available offense-related dataset in Chinese is severely limited in terms of data scale and coverage when compared to English *** significantly affects the accuracy of Chinese offensive language detectors in practical applications,especially when dealing with hard cases or out-of-domain *** alleviate the limitations posed by available datasets,we introduce AugCOLD(Augmented Chinese Offensive Language Dataset),a large-scale unsupervised dataset containing 1 million samples gathered by data crawling and model ***,we employ a multiteacher distillation framework to enhance detection performance with unsupervised *** is,we build multiple teachers with publicly accessible datasets and use them to assign soft labels to *** soft labels serve as a bridge for knowledge to be distilled from both AugCOLD and multiteacher to the student network,i.e.,the final offensive *** conduct experiments on multiple public test sets and our well-designed hard tests,demonstrating that our proposal can effectively improve the generalization and robustness of the offensive language detector.

关键词： COLD dealing limitations

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Fast Algorithm for Inverse Two-Dimensional S Transform and Its Application in Time-Frequency Filtering for SAR Image Despeckling

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Chinese Journal of electronics 2016年第1期25卷 100-105页

作者： GAO Fei zhang Ye wang jun sun jinping school of electronic and information engineering Beihang University

S transform is a time-frequency representation which has been applied in various fields, yet suffers the problem of time and resource consumption. In order to overcome this problem and facilitate its application in image analysis, we introduce a fast algorithm for inverse twodimensional S transform. A two-dimensional S transform time-frequency filter for Synthetic aperture radar(SAR)image despeckling is proposed on the basis of this fast algorithm. Synthetic and actual SAR images are both used to quantitatively evaluate its performance. The proposed algorithm is compared with several classical algorithms with better results both in speckle noise reduction and detail preservation.

关键词： Time-frequency representation Fast al gorithm Two-dimensional S transform Time-frequency filter Synthetic aperture radar(SAR) image Speckle noise reduction

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