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DOPPLER: 作品数：612被引量：1436H指数：14; 导出分析报告; 相关领域：电子电信医药卫生更多>>; 相关作者：赵俊荣王威琪庄良杰汪源源华扬更多>>; 相关机构：中国科学院复旦大学福建医科大学清华大学更多>>; 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中国博士后科学基金国家高技术研究发展计划更多>>

Phase distortion correction of fringe patterns in spaceborne Doppler asymmetric spatial heterodyne interferometry: 《中国光学(中英文)》2025年第2期382-392,共11页PEI Hui-yi JIANG Lun WANG Jin-jiang CUI Yong FANG Yuan-xiang ZHANG Jia-ming CHEN Ci; 吉林省科技发展计划项目(No.20230201006GX)。; As an advanced device for observing atmospheric winds,the spaceborne Doppler Asymmetric Spatial Heterodyne(DASH)interferometer also encounters challenges associated with phase distortion,par-ticularly in limb sounding...; 关键词：Doppler asymmetric spatial heterodyne spectroscopy phase distortion phase inversion atmospheric wind measurement

Comparative analysis of Ferguson hemorrhoidectomy combined with doppler-guided hemorrhoidal artery ligation and Ferguson hemorrhoidectomy in hemorrhoidal disease treatment: 《World Journal of Gastrointestinal Surgery》2025年第3期323-330,共8页Ismail Cem Eray Ugur Topal Serdar Gumus Kubilay Isiker Burak Yavuz Ishak Aydin; BACKGROUND In hemorrhoidal disease,despite the existence of numerous treatment options to alleviate symptoms,surgical intervention continues to be the gold standard.The advantages and disadvantages of many methods hav...; 关键词：Hemorrhoidal disease Doppler-guided hemorrhoidal artery ligation Ferguson hemorrhoidectomy Postoperative pain RECURRENCE

Application of EEMD combined with cross-correlation algorithm in Doppler flow signal: 《Journal of Measurement Science and Instrumentation》2025年第1期58-65,共8页SHI Fengdong GONG Ruishi LIANG Tongtong LÜDong; supported by National Natural Science Foundation of China(No.61973234);Tianjin Science and Technology Plan Project(No.22YDTPJC00090)。; To address the issue of low measurement accuracy caused by noise interference in the acquisition of low fluid flow rate signals with ultrasonic Doppler flow meters,a novel signal processing algorithm that combines ens...; 关键词：ultrasonic Doppler flow meter ensemble empirical mode decomposition(EEMD) CROSS-CORRELATION fast Fourier transform(FFT)spectrum analysis energy entropy

A new Q-band comb-based multi-channel microwave Doppler backward scattering diagnostic developed on the HL-3 tokamak: 《Plasma Science and Technology》2025年第1期23-29,共7页Ruihai TONG Yu ZHOU Wulyu ZHONG Jie WEN Zhongbing SHI Xiaolan ZOU Anshu LIANG Zengchen YANG Min JIANG Xin YU Yuqi SHEN; supported by National Natural Science Foundation of China(Nos.12105087,12275096,and 11922503);the Joint Funds of the National Natural Science Foundation of China(No.U21A20440);the Science and Technology Planning Project of Sichuan Province(No.2023YFG0139)。; The Doppler backscattering(DBS)diagnostic is widely used to measure the localized density fluctuations and the propagation velocity of turbulent structures.Microwave is launched at a frequency that approaches a cutoff...; 关键词：Doppler backscattering(DBS) microwave diagnostic turbulence TOKAMAK

Opto-mechanical-thermal integration analysis of Doppler asymmetric spatial heterodyne interferometer: 《中国光学（中英文）》2024年第6期1489-1511,共23页WANG Jin-jiang JIANG Lun TONG Shou-feng PEI Hui-yi CUI Yong GUO Ming-hang; 国家重点研发计划项目(No.2022YFB3902500);吉林省重点研发计划项目(No.20230201006GX)。; In order to improve the detection accuracy of Doppler asymmetric spatial heterodyne(DASH)interferometer in harsh temperatures,an opto-mechanical-thermal integration analysis is carried out.Firstly,the correlation betw...; 关键词：Doppler asymmetric spatial heterodyne interferometer interference module imaging optical system opto-mechanical thermal integration analysis phase error temperature control

Saturated absorption spectroscopy of methane around 1667 nm: 《Chinese Journal of Chemical Physics》2024年第6期721-728,I0041,共9页Yuan Ding Fanghui Cao Jinke Li Jin Wan Anwen Liu Yan Tan Shuiming Hu; supported by the Ministry of Science and Technology of China(No.2022YFF0606500);the National Natural Science Foundation of China(No.22273096).; Methane is the second most important greenhouse gas after carbon dioxide,and the reduction of methane emissions is a key focus in IPCC reports.At present,atmospheric methane is monitored through ground-based observati...; 关键词：METHANE Cavity ring-down spectroscopy Doppler-free Lamb dips

Sparse Bayesian Learning Based Off-Grid Estimation of OTFS Channels with Doppler Squint: 《Tsinghua Science and Technology》2024年第6期1821-1828,共8页Xuehan Wang Xu Shi Jintao Wang; Orthogonal Time Frequency Space(OTFS)modulation has exhibited significant potential to further promote the performance of future wireless communication networks especially in high-mobility scenarios.In practical OTFS ...; 关键词：orthogonal time frequency space modulation Doppler squint effect channel estimation sparse Bayesian learning

OTFS on Overspread Doubly Selective Channel: 《China Communications》2024年第11期205-215,共11页Qing Hua Liu Yun Shi Xiayang Yu Hua Ji Fei Cui Yinming; supported by National Natural Science Foundation of China(grant number 62071504);State Key Program of National Natural Science Foundation of China(grant numbers 62192712,62192711);Project of Science and Technology in Henan Province(grant numbers 222102210317,232102210078);Doctoral Research Foundation of Zhengzhou University of Light Industry(grant number 2021BSJJ030);Special Projects in Key Fields for General Universities of Guangdong Province(grant num 2021ZDZX1056)。; The orthogonal time frequency space(OTFS)modulation proposed in recent years is considered to have superior performance than orthogonal frequency division multiplexing(OFDM)for the doubly selective(DS)channels.The wor...; 关键词：delay-Doppler domain doubly selective channel OTFS overspread underwater acoustic communications

无源雷达时延-Doppler域高速多目标角度估计算法: 《清华大学学报（自然科学版）》2024年第10期1797-1808,共12页刘大鹏冯新星刘成城任勇杜军; 为了获取无源雷达中微弱目标回波的角度信息,现有研究主要采用基于时延-Doppler域二维相关处理的估计算法,其基本思想是通过参考信号和监视信号的互模糊函数来获得积累增益,提升回波信号信噪比,而后进行角度估计。该文针对高速多目标场...; 关键词：无源雷达均匀圆阵高速目标相干信号角度估计 KEYSTONE变换

UAMP-Based Delay-Doppler Channel Estimation for OTFS Systems: 《China Communications》2024年第10期1-15,共15页Li Zhongjie Yuan Weijie Guo Qinghua Wu Nan Zhang Ji; supported by the Key Scientific Research Project in Colleges and Universities of Henan Province of China(Grant Nos.21A510003);Science and the Key Science and Technology Research Project of Henan Province of China(Grant Nos.222102210053)。; Orthogonal time frequency space(OTFS)technique, which modulates data symbols in the delayDoppler(DD) domain, presents a potential solution for supporting reliable information transmission in highmobility vehicular net...; 关键词：channel estimation hidden Markov model(HMM) orthogonal time frequency space(OTFS) unitary approximate message passing(UAMP)

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