SCATTERER

作品数：31被引量：39H指数：4
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相关机构：东南大学中国科学院遥感与数字地球研究所山东科技大学更多>>
相关期刊：《Progress in Natural Science:Materials International》《Journal of Southeast University(English Edition)》《Light(Science & Applications)》《Journal of Modern Physics》更多>>
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Chiral exceptional point and coherent suppression of backscattering in silicon microring with low loss Mie scatterer被引量：8
《eLight》2023年第1期66-74,共9页Hwaseob Lee Ali Kecebas Feifan Wang Lorry Chang Sahin K.Ozdemir Tingyi Gu 
supported by Defense Advanced Research Projects Agency(N660012114034);Air Force Office of Scientific Research(AFOSR)Multi-University Research Initiative(FA9550-21-1-0202);AFOSR(FA9550-18-1-0235);partially supported by AFOSR(FA9550-18-1-0300).
Non-Hermitian systems with their spectral degeneracies known as exceptional points(EPs)have been explored for lasing,controlling light transport,and enhancing a sensor’s response.A ring resonator can be brought to an...
关键词：Non-Hermicity Exceptional point Mie scatterers Microring resonator Silicon photonics 
Environment Information-Based Channel Prediction Method Assisted by Graph Neural Network被引量：1
《China Communications》2022年第11期1-15,共15页Yutong Sun Jianhua Zhang Yuxiang Zhang Li Yu Qixing Wang Guangyi Liu 
supported by the National Science Fund for Distinguished Young Scholars(No.61925102);National Natural Science Foundation of China(No.62101069);National Natural Science Foundation of China(No.62031019);National Natural Science Foundation of China(No.92167202);BUPT-CMCC Joint Innovation Center.
Recently,whether the channel prediction can be achieved in diverse communication scenarios by directly utilizing the environment information gained lots of attention due to the environment impacting the propagation ch...
关键词：channel prediction propagation environment GRAPH scatterer detection GNN 
Implementation Framework and Validation of Cluster-Nuclei Based Channel Model Using Environmental Mapping for 6G Communication Systems被引量：4
《China Communications》2022年第4期1-13,共13页Li Yu Yuxiang Zhang Jianhua Zhang Zhiqiang Yuan 
supported by National Science Fund for Distinguished Young Scholars (No.61925102);Beijing University of Posts and TelecommunicationsChina Mobile Research Institute Joint Innovation Center。
With the research of the upcoming sixth generation(6 G) systems, new technologies will require wider bandwidth, larger scale antenna arrays and more diverse wireless communication scenarios on the future channel model...
关键词：channel model 6G cluster-nuclei environmental mapping SCATTERER RAY-TRACING geometrybased stochastic model 
Absolute characterization of high numerical aperture microscope objectives utilizing a dipole scatterer被引量：1
《Light(Science & Applications)》2021年第12期2342-2348,共7页Jörg S.Eismann Martin Neugebauer Klaus Mantel Peter Banzer 
Measuring the aberrations of optical systems is an essential step in the fabrication of high precision optical components.Such a characterization is usually based on comparing the device under investigation with a cal...
关键词：CHARACTERIZATION SCATTER SCATTERED 
Off-grid correction for improving scatterer localization performance in compressive sampling SAR tomography被引量：1
《Science China(Information Sciences)》2021年第2期262-263,共2页Xiaoxiang ZHU Anxi YU Zhen DONG Manqing WU Qi LIU 
supported by National Natural Science Foundation of China(Grant No.61771478)。
Dear editor,SAR tomography(TomoSAR)[1]as an adavnced technique forms an elevation aperture along the elevation direction.Therefore,it has the ability of resolving layovers,which are common in urban environments.For th...
关键词：CORRECTION SCATTER EDITOR 
A New Sparse Recovery Method for the Inverse Acoustic Scattering Problem
《Acta Mathematicae Applicatae Sinica》2020年第1期49-66,共18页Chang-long WANG Jun-xiong JIA Ji-gen PENG Shou-jin LIN 
partially supported by the NSFC(Nos.11771347,11871392);partially supported by the Major projects of the NSFC(Nos.91730306,41390450,41390454);partially supported by the National Science and Technology Major project(Nos.2016ZX05024-001-007 and 2017ZX050609)。
Based on sparse information recovery,we develop a new method for locating multiple multiscale acoustic scatterers.Firstly,with the prior information of the scatterers’shape,we reformulate the location identification ...
关键词：SPARSE RECOVERY acoustic SCATTERER l0-minimization SUBSTITUTE function 
Multi-Frequency Channel Characterization for Massive MIMO Communications in Lobby Environment被引量：1
《China Communications》2019年第9期79-92,共14页Jianzhi Li Bo Ai Ruisi He Mi Yang Zhangdui Zhong 
supported in part by the National Key Research and Development Program of China under Grant 2016YFE0200900 and 2018YFF0212103;in part by NSFC under Grant 61725101, 61771037, 6181101396, and U1834210;in part by the Beijing Natural Science Foundation under Grant 4182047 and L172020;in part by the Fundamental research funds for the central universities under Grant 2017RC031 and Grant 2018JBM301;in part by the Major projects of Beijing Municipal Science and Technology Commission under Grant Z181100003218010;in part by the State Key Lab of Rail Traffic Control and Safety under Grant 2017JBM332, RCS2018ZZ007, and Grant RCS2018ZT014;in part by the Teaching Reform Project under Grant 134496522
In this paper,a massive multiple input multiple output(MIMO)channel measurement campaign with two setups is conducted in an indoor lobby environment.In the first setup,two types of 256-element virtual uniform rectangu...
关键词：5G MASSIVE MIMO channelmeasurement virtual array SAGE K factor RMS delay SPREAD coherence bandwidth SCATTERER localization direction SPREAD 
Multi-band imaging and focusing of photonic crystal flat lens with scatterer-size gradient被引量：3
《Chinese Optics Letters》2019年第8期6-10,共5页Yuan Cen Jianlan Xie Jianjun Liu 
supported by the National Natural Science Foundation of China (No. 61405058);the Natural Science Foundation of Hunan Province (No. 2017JJ2048);the Fundamental Research Funds for the Central Universities (No. 531118040112)
In this Letter, a photonic crystal(PC) flat lens with a scatterer-size gradient is proposed, which simultaneously achieves imaging of the point source and sub-wavelength focusing of the plane wave in the first, second...
关键词：LETTER PC BANDS 
Numerical study of radio wave propagation in clear air acoustic scatterer
《Journal of Systems Engineering and Electronics》2018年第4期684-692,共9页WANG Panpan ZHOU Chen ZHAO Zhengyu 
supported by the National Natural Science Foundation of China(41204111;41574146;41774162)
This paper numerically investigates the radio wave scattering by the artificial acoustic disturbance in the atmospheric boundary layer. The numerical model is based on the finitedifference time-domain（FDTD） method f...
关键词：radio waves scattering propagation clear air atmo-sphere acoustic scatterer scatter communication. 
Slow light effect with high group index and wideband by saddle-like mode in PC-CROW
《Frontiers of physics》2018年第2期59-65,共7页Yong Wan Li-Jun Jiang Sheng Xu Meng-Xue Li Meng-Nan Liu Cheng-Yi Jiang Feng Yuan 
This work was supported by the National Natural Science Foundation of China （Grant No. 11144007） and the Natural Science Foundation of Shandong Province （Grant No. ZR2016AM27）.
Slow light with high group index and wideband is achieved in photonic crystal coupled-resonator optical waveguides （PC-CROWs）. According to the eye-shaped scatterers and various microcavities, saddle- like curves be...
关键词：eye-shaped scatterer slow light photonic crystal coupled-resonator optical waveguide 
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