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FREQUENCY-DOMAIN: 作品数：78被引量：93H指数：5; 导出分析报告; 相关领域：电子电信更多>>; 相关作者：宋建国杨帆钟杰杨永明何为更多>>; 相关机构：吉林大学中海油田服务股份有限公司中国石油大学（华东）重庆大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家高技术研究发展计划国家重点基础研究发展计划中国博士后科学基金更多>>

Logarithmic sensitivity ratio elucidates thermal transport physics in multivariate thermoreflectance experiments: 《Fundamental Research》2025年第1期288-295,共8页Jing Tu Md Azimul Haque Derya Baran Wee-Liat Ong; supported by the Natural Science Foundation of Zhejiang Province(LZ19E060002);National Natural Science Foundation of China(52150410417 and 51876186);the Fundamental Research Funds for the Central Universities,the Zhejiang-Saudi EMC2 Laboratory,and the ZJU-UIUC Institute;D.B.acknowledge the support by the King Abdullah University of Science and Technology(KAUST)Office of Sponsored Research(OSR)under Award No.OSR-CRG2018-3737.; We mathematically derived a sensitivity-based method that identifies the thermal transport physics and parameters suitable for multivariate nonlinear fits in a frequency-domain thermoreflectance(FDTR)experiment.Modern...; 关键词：Multivariables Monte Carlo Correlation Thermal properties THERMOREFLECTANCE Thermal conductivity Frequency-domain thermoreflectance Sensitivity

An Investigation of Frequency-Domain Pruning Algorithms for Accelerating Human Activity Recognition Tasks Based on Sensor Data: 《Computers, Materials & Continua》2024年第11期2219-2242,共24页Jian Su Haijian Shao Xing Deng Yingtao Jiang; supported by National Natural Science Foundation of China(Nos.61902158 and 62202210).; The rapidly advancing Convolutional Neural Networks(CNNs)have brought about a paradigm shift in various computer vision tasks,while also garnering increasing interest and application in sensor-based Human Activity Rec...; 关键词：Convolutional neural networks human activity recognition network pruning frequency-domain transformation

Spatial sensitivity to absorption changes for various near-infrared spectroscopy methods:A compendium review: 《Journal of Innovative Optical Health Sciences》2024年第4期1-115,共115页Giles Blaney Angelo Sassaroli Sergio Fantini; This compendium review focuses on the spatial distribution of sensitivity to localized absorption changes in optically diffuse media,particularly for measurements relevant to near-infrared spectroscopy.The three tempo...; 关键词：Diffuse optics diffusion theory Monte Carlo spatial sensitivity absorption perturbations near-infrared spectroscopy CONTINUOUS-WAVE FREQUENCY-DOMAIN time-domain

Efficient spectral single-pixel imaging via Morton frequency-domain scanning [Invited]被引量：1: 《Chinese Optics Letters》2024年第6期8-14,共7页Zi-Dong Zhao Zhao-Hua Yang Zhi-Hao Zhao Ling-An Wu Yuan-Jin Yu; Single-pixel imaging (SPI) captures two-dimensional images utilizing a sequence of modulation patterns and measurements recorded by a single-pixel detector. However, the sequential measurement of a scene is time-consu...; 关键词：single-pixel imaging spectral imaging optimized Hadamard basis

Bunch-length measurement at a bunch-by-bunch rate based on time–frequency-domain joint analysis techniques and its application: 《Nuclear Science and Techniques》2024年第4期165-175,共11页Hong-Shuang Wang Xing Yang Yong-Bin Leng Yi-Mei Zhou Ji-Gang Wang; supported by the National Key R&D Program(No.2022YFA1602201)。; This paper presents a new technique for measuring the bunch length of a high-energy electron beam at a bunch-by-bunch rate in storage rings.This technique uses the time–frequency-domain joint analysis of the bunch si...; 关键词：Bunch-by-bunch diagnostic Bunch-length measurement Synchronous phase measurement Joint time–frequency-domain analysis Longitudinal instability

Frequency-Domain Wideband Acoustic Noise Cancellation System: 《Journal of Applied Mathematics and Physics》2023年第8期2523-2532,共10页Vera Andreevna Karaseva Aleksey Vital’evich Lvov Aleksandr Alekseevich Rodionov; When building an adaptive noise cancellation system for wideband acoustic signals, one can meet some difficulties in practical implementation of such a system. The major problem is related to the necessity of using re...; 关键词：Active Noise Cancellation System Adaptive Noise Cancellation

A High Spectral Efficient Frequency-Domain Channel-Estimation Method for the Polarization-Division-Multiplexed CO-OFDM-OQAM System: 《Optics and Photonics Journal》2023年第6期119-132,共14页Hangyu Zhao Shuo Zhang Daobin Wang Xiaoxiao Li Lihua Yuan; Contrary to the other multi-carrier modulation systems, the coherent optical orthogonal frequency division multiplexing communication system with an offset quadrature amplitude modulation (CO-OFDM-OQAM) possesses inhe...; 关键词：Orthogonal Frequency Division Multiplexing (OFDM-OQAM) Polarization-Division-Multiplexing (PDM) Channel Estimation Optical Communication System

Time-domain and Frequency-domain Analyses of PETT Oscillation in Press Pack IGBTs: 《CSEE Journal of Power and Energy Systems》2023年第2期682-695,共14页Jiayu Fan Xiang Cui Xinling Tang Cheng Peng Zhibin Zhao Xiangrui Meng Xuebao Li Zhong Chen; supported by the National Natural Science Foundation of China-State Grid of China Joint Fund for Smart Grid under Grant (U1766219).; Plasma extraction transit time(PETT)oscillation might appear in IGBT devices,which is harmful to the electromagnetic compatibility(EMC)of a renewable energy system.To eliminate this oscillation,its frequency-domain ch...; 关键词：PETT OSCILLATION press pack IGBTs timedomain analysis two-port network

Changes in Autonomic Nervous System Function in Patients >60 Years of Age with Coronary Heart Disease, and Normotension or Hypertension: An Observational Study: 《Cardiovascular Innovations and Applications》2023年第1期287-294,共8页Jing-Xiu Li Jing Wang Bei-Bei Ding Min Gao; Aim:The aim of this observational study was to perform in-depth analysis of autonomic nervous system function in patients older than 60 years of age with coronary artery disease,and normotension or hypertension.Method...; 关键词：Heart rate variability coronary heart disease HYPERTENSION time-domain methods frequency-domain methods

Fully Actuated System Approach for Linear Systems Control:A Frequency-Domain Solution被引量：2: 《Journal of Systems Science & Complexity》2022年第6期2046-2061,共16页DUAN Guang-Ren ZHOU Bin; the Science Center Program of the National Natural Science Foundation of China under Grant No.62188101;the Major Program of National Natural Science Foundation of China under Grant Nos.61690210 and 61690212;the National Natural Science Foundation of China under Grant No.61333003;the Self-Planned Task of State Key Laboratory of Robotics and System(HIT)under Grant No.SKLRS201716A。; This note studies fully actuated linear systems in the frequency domain in terms of polynomial matrix description(PMD).For a controllable first-order linear state-space system model,by using the right coprime factoriz...; 关键词：Column reduced FACTORIZATION first-order linear state-space systems high-order fully actuated systems polynomial matrix description right coprime

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