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WAVELET: 作品数：852被引量：1491H指数：14; 导出分析报告; 相关作者：余乐安吴乐南殷玮玮汤铃程时昕更多>>; 相关机构：东南大学北京理工大学中国科学院数学与系统科学研究院武汉大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划中国博士后科学基金更多>>

Heart sound classification technique for early CVD detection using improved wavelet time scattering and discriminant analysis classifiers: 《Informatics and Health》2025年第1期49-62,共14页Vishwanath Madhava Shervegar; Objective:PCG represents the acoustic replay of heart sounds from the cardiac structure.To detect and analyse the different conditions of the heart,heart sound signals are essential.CVD is detected by classifiers who ...; 关键词：PHONOCARDIOGRAM Wavelet time frequency scattering transform Discrete cosine transform Discriminant analysis Classification

Learning complex nonlinear physical systems using wavelet neural operators: 《Chinese Physics B》2025年第3期461-472,共12页Yanan Guo Xiaoqun Cao Hongze Leng Junqiang Song; Project supported by the National Natural Science Foundation of China(Grant Nos.42005003 and 41475094)。; Nonlinear science is a fundamental area of physics research that investigates complex dynamical systems which are often characterized by high sensitivity and nonlinear behaviors.Numerical simulations play a pivotal ro...; 关键词：nonlinear science TURBULENCE deep learning wavelet neural operator

Wavelet Characterizations of Variable Anisotropic Hardy Spaces: 《Acta Mathematica Sinica,English Series》2025年第1期304-326,共23页Yao He Yong Jiao Jun Liu; supported by the National Natural Science Foundation of China(Grant Nos.12371102 and 12001527);the Natural Science Foundation of Jiangsu Province(Grant No.BK20200647);the Postdoctoral Science Foundation of China(Grant No.2021M693422)。; Let p(·):R^(n)→(0,∞]be a variable exponent function satisfying the globally log-H¨older continuous condition and A a general expansive matrix on R^(n).Let H_A~(p(·))(R^(n))be the variable anisotropic Hardy space ...; 关键词：Variable exponent Hardy space expansive matrix WAVELET ATOM

Multi-well wavelet-synchronized inversion based on particle swarm optimization: 《Applied Geophysics》2024年第4期728-739,879,880,共14页Yuan Huan Yuan San-Yi Su Qin Wang Hong-Qiu Zeng Hua-Hui Yue Shi-Jun; Wavelet estimation is an important part of high-resolution seismic data processing.However,itis difficult to preserve the lateral continuity of geological structures and eff ectively recover weak geologicalbodies usin...; 关键词：particle swarm optimization synchronized inversion wavelet estimation spatial adaptability weak eff ective signal

Wavelet‑based vibration denoising for structural health monitoring: 《Urban Lifeline》2024年第1期193-206,共14页Ahmed Silik Mohammad Noori Zhishen Wu Wael A.Altabey Ji Dang Nabeel S.D.Farhan; support from National Natural Science Foundation of China(Grant No.52178115);the support provided by the International Institeu for Urban Systems Engineering at Southeast University.; In the context of civil engineering applications,vibration responses are complex,exhibiting variations in time and space and often containing nonlinearity and uncertainties not considered during data collection.These ...; 关键词：Discrete wavelet transform DENOISING THRESHOLDING Structural responses

Characterizations of Weighted Besov Spaces with Variable Exponents: 《Acta Mathematica Sinica,English Series》2024年第11期2855-2878,共24页Sheng Rong WANG Peng Fei GUO Jing Shi XU; Supported by the National Natural Science Foundation of China(Grant Nos.12161022 and 12061030);Hainan Provincial Natural Science Foundation of China(Grant No.122RC652);the Science and Technology Project of Guangxi(Grant No.Guike AD23023002)。; In this paper,we first give characterizations of weighted Besov spaces with variable exponents via Peetre’s maximal functions.Then we obtain decomposition characterizations of these spaces by atom,molecule and wavele...; 关键词：Besov space Muckenhoupt weight variable exponent Peetre’s maximal function ATOM MOLECULE WAVELET pseudo-differential operator

Spatio-temporal patterns of temperature extremes and their response to atmospheric circulation factors in China from 1961 to 2020: 《Journal of Geographical Sciences》2024年第10期1883-1903,共21页LUO Yuanbo ZHOU Yuke ZHOU Chenghu; National Key Research and Development Program of China,No.2021YFB3900900。; Changes in surface temperature extremes have become a global concern.Based on the daily lowest temperature(TN)and daily highest temperature(TX)data from 2138weather stations in China from 1961 to 2020,we calculated 14...; 关键词：temperature changes global warming atmospheric circulation wavelet coherence analysis China

Developing a Hybrid Wavelet-Artificial Neural Network model for simulating high-resolution Antarctic ice core CO_(2)concentration records during 9–120 thousand years ago: 《Episodes》2024年第3期497-510,共14页Nasrin Salehnia Jinho Ahn; supported by the Brain Pool Program through the National Research Foundation of Korea(NRF)and funded by the Ministry of Science and ICT[Grant numbers:2020H1D3A1A04081353,2020M1A5A1110607,2018R1A5A1024958,and RS-2023-00291696].; The most reliable archive of atmospheric CO_(2) information comprises ice core records spanning the last 800 ka(thousand years ago).The connection between temperature and greenhouse gases,as deduced from ice core reco...; 关键词：greenhouse gasesas hybrid wavelet artificial neural network model methods artificial neural CO concentration Antarctic ice core ice core records ice coresemploying

Wavelet-domain feature decoupling for weakly supervised multi-object tracking: 《Science China(Information Sciences)》2024年第8期335-336,共2页Yu-Lei LI Yan YAN Yang LU Hanzi WANG; supported by National Natural Science Foundation of China(Grant Nos.U21A20514,62002302);FuXiaQuan National Independent Innovation Demonstration Zone Collaborative Innovation Platform Project(GrantNo.3502ZCQXT2022008).; Multi-object tracking(MOT)aims to discover interesting foreground targets and meanwhile generate robust trajectories of these targets with different data association algorithms based on identity embedding features(Re-...; 关键词：ANALYSIS WEAKLY AUTONOMOUS

WT-FCTGN:A wavelet-enhanced fully connected time-gated neural network for complex noisy traffic flow modeling: 《Chinese Physics B》2024年第7期652-664,共13页廖志芳孙轲刘文龙余志武刘承光宋禹成; The Science and Technology Research and Development Program Project of China Railway Group Ltd provided funding for this study(Project Nos.2020-Special-02 and 2021Special-08)。; Accurate forecasting of traffic flow provides a powerful traffic decision-making basis for an intelligent transportation system. However, the traffic data's complexity and fluctuation, as well as the noise produced du...; 关键词：traffic flow modeling time-series wavelet reconstruction

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