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SPREAD-F: 作品数：13被引量：55H指数：4; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：方涵先谢红肖佐汪四成萧佐更多>>; 相关机构：北京大学解放军理工大学中国科学院航天医学工程研究所更多>>; 相关期刊：《电波科学学报》《Light(Science & Applications)》《Science China Earth Sciences》《地球物理学报》更多>>; 相关基金：国家自然科学基金国家重点实验室开放基金国家重点基础研究发展计划更多>>

High-fidelity structured illumination microscopy by point-spread-function engineering被引量：22: 《Light(Science & Applications)》2021年第5期812-823,共12页Gang Wen Simin Li Unbo Wang Xiaohu Chen Zhenglong Sun Yong Liang Xin Jin Yifan Xing Yaming jiu Yuguo Tang Hui Li; The work was supported by the National Key Research and Development Program of China[grant no.2017YFC0110100];the National Natural Science Foundation of China[grant no.61805272].; Structured illumination microscopy(SIM)has become a widely used tool for insight into biomedical challenges due to its rapid,long-term,and super-resolution(SR)imaging.However,artifacts that often appear in SIM images ...; 关键词：HIFI ILLUMINATION FUNCTION

不同波长初始电子密度扰动对扩展F触发效应对比研究被引量：1: 《电波科学学报》2016年第5期933-940,共8页高泽方涵先汪四成; 国家自然科学基金(40505005); 基于适合描述中低纬电离层扩展F发展的控制方程组,首次对比分析了不同波长初始电子密度扰动对电离层Spread-F的触发影响,讨论了电离层泡状结构和块状结构不规则体对不同电子密度扰动波长的响应效果.结果发现:无论是以泡状结构为主体还...; 关键词：电子密度扰动 SPREAD-F 触发泡状不规则体块状不规则体数值模拟

Onset location of scintillation-producing spread-F plume over Sanya: 《Science China Earth Sciences》2016年第8期1692-1699,共8页ZHENG JianChang HUANG ZhaoGuo WU Zhi HAO XiQing JI JiaLun NING BaiQi HU LianHuan ZHAO XiuKuan LI GuoZhu; supported by the National Natural Science Foundation of China (Grant Nos. 41422404, 41374163,41374164 and 41074113); Equatorial spread-F (ESF) backscatter plumes are often observed in radar range-time-intensity (RTI) maps at low latitude. Except case studies, few statistical investigations on the onset locations of scintillation-pro...; 关键词：Equatorial spread-F Backscatter plume Onset location VHF radar Zonal drift

基于伴随理论的Spread-F最优初值扰动提取研究及数值模拟: 《空间科学学报》2014年第6期815-821,共7页范鑫方涵先牛俊翁利斌杨旭; 通过讨论Spread-F扰动初值对于研究R-T不稳定性的必要性,分析初值扰动提取在人工诱导电离层方面的重要作用,首次提出了应用伴随理论将电离层不稳定性基本方程与Spread-F观测资料相结合提取其扰动初值的方法.推导了电离层不稳定性方程的...; 关键词：伴随理论电离层Spread-F 初始扰动数值模拟

化学物质释放激发中低纬扩展F的数值模拟被引量：5: 《地球物理学报》2013年第9期2906-2911,共6页汪四成方涵先; 国家自然科学基金项目(40505005);国家重点实验室专项基金项目资助; 利用离子和电子动量方程、连续性方程以及电流连续性方程建立了适合描述中低纬spread-F发展的物理模型,并对模型进行了数值求解,讨论了利用H2O释放来激发电离层Rayleigh-Taylor不稳定性的可能性.结果表明,电离层处于不稳定状态时,H2O在...; 关键词：中低纬电离层 spread-F发展电场和磁场数值模拟

Observational study of daytime ionospheric irregularities associated with typhoon被引量：7: 《Science China(Technological Sciences)》2012年第5期1302-1304,共3页XIAO SalGuan SHI JianKui ZHANG DongHe HAO YongQiang HUANG WeiQuan; supported by the National Natural Science Foundation of China (Grant Nos. 40974091, 41174135 and 40921063);the Specialized Research Fund for State Key Laboratories; Spread-F is a manifestation of ionospheric irregularities and generally takes place at nighttime. However, it can also be ob- served seldom at daytime, It is recognized that acoustic gravity waves （AGWs） play an imp...; 关键词：ionospheric irregularity SPREAD-F DAYTIME TYPHOON

Correlations between Strong Range Spread-F and GPS L-Band Scintillations Observed in Hainan in 2004被引量：1: 《Chinese Physics Letters》2009年第1期375-378,共4页王国军史建魁尚社平王霄; Supported by the National Natural Science Foundation of China under Grant No 40621003 and 40674091, and the Specialized Research Fund for State Key Laboratories of the Ministry of Science and Technology of China.; Data from the DPS-4 digisonde and the GPS L-band ionospheric scintillation monitor are employed to study the correlations between strong range spread-F （SSF） and GPS L-band scintillations observed in the ionosphere ...; 关键词：field emission molybdenum dioxide enhancement factor

A theoretical analysis of global characteristics of spread-F被引量：1: 《Chinese Science Bulletin》2001年第19期1593-1595,共3页Zuo Xiao Tianhua Zhang; This work was supported by the National Natural Science Foundation of China (Grant Nos. 49874041 and 49990454).; Spread-F is an important ionosphere pheonome-non and it has much effect on radio wave propogation. Taking magnetic inclination and declination into consideration, a theoretical model is deduced for the linear growth-r...; 关键词：SPREAD-F IRREGULARITIES GLOBAL characteristics.

Spread-F的经度效应被引量：2: 《北京大学学报（自然科学版）》2001年第3期348-352,共5页张天华肖佐; 国家自然科学基金!资助项目 (498740 41); 从三维地理坐标系出发建立模型 ,考虑了地磁倾角和偏角的影响 ,研究Spread F现象的全球分布特点 ,是对以前的研究从赤道地区向中、低纬度地区的推广。从该三维模型中可以看到地磁场的大小和位型的影响 (包括磁倾角和磁偏角的效应 )。由...; 关键词：SPREAD-F 三维地理坐标系经度效应地磁效应电离层风

声重波激发的赤道Spread—F的拓扑特性研究被引量：1: 《空间科学学报》1997年第4期309-316,共8页谢红萧佐王宪民; 国家自然科学重大基金!49301400; 本文对声重波激发的Spread-F扰动的非线性制约方程的拓扑特性进行了定性讨论和数值计算．研究了Spread-F的混沌特征及参数范围．结果表明声重波在不同条件时对Spread-F的激发作用有本质的不同．; 关键词：SPREAD-F 声重波混沌拓扑赤道电离层

SPREAD-F