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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>>

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

Doppler velocimeter based on dual-comb absorption spectroscopy被引量：3: 《Photonics Research》2020年第12期1895-1903,共9页CHENGLIN GU XING ZOU ZHONG ZUO DAOWANG PENG YUANFENG DI YANG LIU DAPING LUO WENXUE LI; National Natural Science Foundation of China(11874153,11904105);National Key Research and Development Program of China(2018YFA0306301).; The determination of airflow parameters is essential to the research of critical information on environment monitoring,chemical kinetics,and aerodynamic and propulsion applications.During the past few decades,tunable ...; 关键词：ABSORPTION SPECTROSCOPY branch

Tomography-assisted Doppler photoacoustic microscopy:proof of concept被引量：1: 《Chinese Optics Letters》2020年第10期53-57,共5页Xinkun Wang Kedi Xiong Xin Jin Sihua Yang; supported by the National Natural Science Foundation of China (Nos. 61822505,11774101,61627827,and 81630046);the Science and Technology Planning Project of Guangdong Province,China(No. 2015B020233016);the China Postdoctoral Science Foundation (No. 2019M652943);the Natural Science Foundation of Guangdong Province,China(No. 2019A1515011399);the Science and Technology Program of Guangzhou (No. 2019050001); The previous methods to measure flow speed by photoacoustic microscopy solely focused on either the transverse or the axial flow component, which did not reflect absolute flow speed. Here, we present absolute flow spe...; 关键词：medical optics and biotechnology photoacoustic imaging scanning microscopy flow speed

Dependence of interferogram phase on incident wavenumber and phase stability of Doppler asymmetric spatial heterodyne spectroscopy被引量：7: 《Chinese Physics B》2020年第10期255-260,共6页Ya-Fei Zhang Yu-Tao Feng Di Fu Peng-Chong Wang Jian Sun Qing-Lan Bai; Project supported by the National Natural Science Foundation of China (Grant No. 41005019);the Fund from the Chinese Academy of Scieneces for West Yong Scientists (Grant No. XAB 2016A07);the Natural Science Basic Research Program of Shaanxi Province, China (Grant No. 2019JQ-931).; Instrument drifts introduce additional phase errors into atmospheric wind measurement of Doppler asymmetric spatial heterodyne spectroscopy (DASH). Aiming at the phase sensitivity of DASH to instrument drifts, in this...; 关键词：atmospheric wind measurement Doppler asymmetric spatial heterodyne spectroscopy optical path difference interference phase

基于小波谱的超声Doppler管道流速测量: 《工程技术研究》2020年第14期125-126,245,共3页吴小玲; 传统超声Doppler流量计在管道流速测量中存在测量低流速困难、测量精度不高、无法判明流速方向等实际困难和问题。文章基于小波谱法,引入基准信号对管道中Doppler回波信号进行仿真处理,实验结果表明,基于小波谱的超声Doppler测量方法在...; 关键词：超声Doppler流量计小波谱 Doppler回波信号管道流速测量

Peak systolic velocity Doppler of middle cerebral artery in small for gestational age （SGA） fetus: 《Frontiers in Biology》2018年第5期389-393,共5页Kobra Shojaei Hora Motamed Mojgan Barati; BACKGROUND： Small for gestational age （SGA） has high frequency which increases the risk of long-term adverse outcomes. Thus the aim of this study was to evaluate peak systolic velocity Doppler of middle cerebral ar...; 关键词：small for gestational age middle cerebral artery peak systolic velocity

一维全场彩虹喷雾测量方法试验研究: 《光学技术》2017年第3期217-221,共5页姜淏予操凯霖李灿吴学成陈玲红邱坤赞岑可法; 国家自然科学基金(51576177); 全场彩虹技术受限于单点区域测量,如何拓展其到多点测量甚至一维测量,对于其实用性具有重要的意义。对提出的全场彩虹系统一维化原理进行了分析,设计并搭建了一维全场彩虹测量系统。分析了系统参数的选择对彩虹图像的影响,并改进了标定...; 关键词：一维全场彩虹测量技术乙醇喷雾粒径分布 phase DOPPLER anemometry(PDA)

利用Doppler测速法实现小发散角锶原子速度分布的测量被引量：2: 《量子光学学报》2016年第4期363-368,共6页谢玉林韩建新卢本全常宏; 湖北省教育厅科研项目(B2016216);黄岗师范学院科技创新团队计划项目(201613803); 锶光钟小型化系统中,利用Doppler测速法对小发散角锶原子的速度分布进行了测量。从锶炉喷出原子束的最可几速率为440 m/s,经过永磁体塞曼减速器减速后原子的速度最低可降低至80 m/s。验证了在原子行进过程中设置的减速磁场即永磁体塞曼...; 关键词：小发散角永磁体塞曼减速器 Doppler测速法

Spectral Hole Burning via Kerr Nonlinearity: 《Communications in Theoretical Physics》2015年第10期473-478,共6页Anwar Ali Khan M.S.Abdul Jabar M.Jalaluddin Bakht Amin Bacha Iftikhar Ahmad; Supported by Higher Education Commission(HEC)of Pakistan; Spectral hole burning is investigated in an optical medium in the presence of Doppler broadening and Kerr nonlinearity. The Kerr nonlinearity generates coherent hole burning in the absorption spectrum. The higher orde...; 关键词：spectral HOLE BURNING KERR NONLINEARITY DOPPLER BR

Transverse flowmetry of carbon particles based on photoacoustic Doppler standard deviation using an auto-correlation method: 《Optoelectronics Letters》2015年第3期226-228,共3页卢涛孙丽君; supported by the Joint Funds of the National Natural Science Foundation of China(No.U1204612);the Natural Science Foundation of He’nan Educational Committee(No.13A416180); In order to measure the flow velocity of carbon particle suspension perpendicular to the receiving axis of ultrasound transducer, the standard deviation of photoacoustic Doppler frequency spectrum is used to estimate ...; 关键词：BANDWIDTH Carbon Correlation methods Flow velocity Mathematical transformations Optical pumping Pumping (laser) STATISTICS Time domain analysis Transducers Ultrasonic propagation Ultrasonic scattering Ultrasonic transducers

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