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SPECTRAL: 作品数：1009被引量：1459H指数：13; 导出分析报告; 相关作者：柳力敏陈蕾华瑞才娜肖博更多>>; 相关机构：昆明理工大学中国医科大学附属第一医院中国科学院中国农业大学更多>>; 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国家教育部博士点基金更多>>

New low-rank optimization model and algorithms for spectral compressed sensing: 《Science China Mathematics》2024年第10期2409-2432,共24页Zai Yang Xunmeng Wu Zongben Xu; supported by National Natural Science Foundation of China (Grant Nos. 61977053 and 11922116)。; In this paper, we investigate the recovery of an undamped spectrally sparse signal and its spectral components from a set of regularly spaced samples within the framework of spectral compressed sensing and super-resol...; 关键词：low-rank double Hankel model doubly enhanced matrix completion line spectral estimation spectral compressed sensing Kronecker's theorem

Effects of sampling frequency on node mobility prediction in dynamic networks: A spectral view被引量：1: 《Digital Communications and Networks》2023年第4期1009-1022,共14页Peppino Fazio Miralem Mehic Miroslav Voznak; supported by the Czech Ministry of Education,Youth and Sports under project Reg.No.SP2021/25;partially from the project“e-Infrastructure CZ”Reg.No.LM2018140.; The field of mobility prediction has been widely investigated in the recent past,especially the reduction of the coverage radius of cellular networks,which led to an increase in hand-over events.Changing the cell cove...; 关键词：Mobile networking Frequency domain Mobility spectrum

Performance Analysis of a Heterogeneous Network Employing DAPSK Based OFDMA-PON: 《China Communications》2023年第3期128-145,共18页Priyadharshini Rajasekaran Geetha Ganesan; supported by Anna University,Chennai under the Anna Centenary Research Fellowship CFR/ACRF-2020/19244197119/AR1。; Recent mobile broadband networks require heterogeneous networks supporting high capacity on demand.A hybrid Fiber-Wireless(Fi-Wi)access network integrating Differential Amplitude and Phase Shift Keying(DAPSK)based-Ort...; 关键词：DAPSK OFDMA PON ROF Spectral ef-ficiency

Electromyography signal segmentation method based on spectral subtraction backtracking: 《Optoelectronics Letters》2022年第10期623-627,共5页CAI Huihui ZHANG Yakun XIE Liang YIN Erwei YAN Ye MING Dong; Surface electromyography(EMG) is a bioelectrical signal that recognizes speech contents in a non-acoustic form. Activity detection is an important research direction in EMG research. However, in the low signal-to-nois...; 关键词：SIGNAL SPECTRAL METHOD

Research Progress of the Sampling Theorem Associated with the Fractional Fourier Transform被引量：4: 《Journal of Beijing Institute of Technology》2021年第3期195-204,共10页Jinming Ma Ran Tao; supported in part by the National Natural Foundation of China(NSFC)(Nos.62027801 and U1833203);the Beijing Natural Science Foundation(No.L191004).; Sampling is a bridge between continuous-time and discrete-time signals,which is import-ant to digital signal processing.The fractional Fourier transform(FrFT)that serves as a generaliz-ation of the FT can characterize...; 关键词：fractional Fourier transform nonuniform sampling signal reconstruction spectral ana-lysis uniform sampling

Spectral and Energy Efficiency of Line-of-Sight OAM-MIMO Communication Systems被引量：6: 《China Communications》2020年第9期119-127,共9页Rui Chen Hong Zhou Wen-Xuan Long Marco Moretti; supported in part by the Fundamental Research Funds for the Central Universities;the Innovation Fund of Xidian University。; Not only high spectral efficiency(SE)but also high energy efficiency(EE)are required for future wireless communication systems.Radio orbital angular momentum(OAM)provides a new perspective of mode multiplexing to impr...; 关键词：orbital angular momentum(OAM) uniform concentric circle array(UCCA) spectral efficiency(SE) energy efficiency(EE)

The influence of correlation delay and spectral asymmetry on acoustic Doppler velocimetry bias被引量：2: 《Chinese Journal of Acoustics》2020年第3期351-371,共21页LI Meiqi WANG Changhong DENG Kai; supported by the National Key R&D Plan(2017YFC1403404)。; The influence of correlation delay and spectral amplitude asymmetry of the received signal on acoustic Doppler velocimetry bias with the complex covariance approach are studied.Neglecting the simplifying error of the ...; 关键词：DELAY SPECTRAL eliminating

Fully reversible spectral compression of arbitrary pulsed data signals: 《Photonics Research》2020年第5期659-670,共12页LUIS ROMERO CORTéS REZA MARAM JOSéAZANA; Natural Sciences and Engineering Research Council of Canada;Fonds de recherche du Québec–Nature et Technologies。; Data signals consisting of arbitrarily modulated sequences of pulses are extensively used for processing and communication applications.The spectral extent of such signals is determined by the bandwidth of the individ...; 关键词：SPECTRAL PRESERVING PULSED

Exploiting Spectral-Energy Efficiency Tradeoff with Fairness in Non-Orthogonal Multiple Access Systems: 《Journal of Beijing Institute of Technology》2019年第2期336-343,共8页Zhengyu Song Xin Sun; Supported by the Fundamental Research Funds for the Central Universities(2016RC055); The spectral efficiency(SE)and energy efficiency(EE)tradeoff while ensuring rate fairness among users in non-orthogonal multiple access(NOMA)systems is investigated.In order to characterize the SE-EE tradeoff with rat...; 关键词：non-orthogonal multiple access(NOMA) energy efficiency(EE) SPECTRAL efficiency(SE) rate FAIRNESS power allocation

Spectral Coexistence between LEO and GEO Satellites by Optimizing Direction Normal of Phased Array Antennas被引量：14: 《China Communications》2018年第6期18-27,共10页Chen Zhang Jin Jin Hao Zhang Ting Li; supported by the National Natural Science Foundation of China (grant no. 91738101 and 91438206); This paper addresses the spectral coexistence between LEO constellation and GEO belt for global distributed earth stations. A specific method is introduced to mitigate the in-line interference by tilting the direction...; 关键词：satellite constellation satellite communication spectral coexistence interference mitigation phased array

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