ANALYTICAL

作品数：871被引量：1015H指数：11
导出分析报告
相关领域：理学更多>>
相关作者：田立林毕惠嫦张大伟余志平袁健更多>>
相关机构：清华大学东南大学华东师范大学南京航空航天大学更多>>
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教育部博士点基金中国博士后科学基金更多>>
-
在结果中检索

检索结果分析

结果分析中...
选择条件：
  • 基金=国家重点基础研究发展计划x
共 条 记 录，以下是1-10
全选清除导出
参考文献引证文献引用追踪
视图：
排序：
Rapid Deformation Calculation for Large Reflector Antennas:A Surrogate Model Method被引量：1
《Research in Astronomy and Astrophysics》2023年第1期4-17,共14页Zi-Han Zhang Qian Ye Li Fu Jin-Qing Wang Meng Guo-Xiang Zhi-Qiang Shen 
supported by the National Key Basic Research and Development Program of China No. 2021YFC2203501;the National Natural Science Foundation of China (project U1931137).
The surface accuracy of the large-aperture reflector antenna has a significant influence on the observation efficiency.Recent researchers have focused on using the finite element(FE)simulation to study the effect of g...
关键词：telescopes-methods analytical-methods NUMERICAL-METHODS data analysis 
Operation of silicon-germanium heterojunction bipolar transistors with different structures at deep cryogenic temperature被引量：1
《Science Bulletin》2019年第7期469-477,共9页Guofang Yu Renrong Liang Xiawa Wang Jun Xu Tian-Ling Ren 
supported by the National Key Research and Development Program of China (2016YFA0200300, 2016YFA0200400);the National Science and Technology Major Project of China (2016ZX02301001);the National Natural Science Foundation of China (61574083, 61434001);the National Basic Research Program of China (2015CB352101);Special Fund for Agroscientific Research in the Public Interest of China (201303107);Research Fund from Beijing Innovation Center for Future Chip;support of the Independent Research Program of Tsinghua University (2014 Z01006);Beijing Natural Science Foundation (4184091);Shenzhen Science and Technology Program (JCYJ2015083119 2224146)
In this work, the device performances of discrete and integrated SiGe heterojunction bipolar transistors(HBTs) with different device structures from 300 to 4.8 K were investigated. The turn-on voltages of baseemitter ...
关键词：SIGE HBTS Quantum computing CRYOGENIC temperature ANALYTICAL model 
Optimal subreflector position determination of shaped dual-reflector antennas based on the parameters iteration approach被引量：5
《Research in Astronomy and Astrophysics》2019年第4期151-160,共10页Bin-Bin Xiang Cong-Si Wang Pei-Yuan Lian Na Wang You Ban 
supported by the National Key Basic Research Program of China (2015CB857100);the Chinese Academy of Sciences (CAS) "Light of West China" Program (2017-XBQNXZB-021);the National Natural Science Foundation of China (Nos. 51805399 and U1737211);the Natural Science Foundation of Shanxi Province (No. 2018JZ500);supported by the Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments, budgeted from the Ministry of Finance of China (MOF) and administrated by CAS
A new method based on the parameters iteration technique has been developed to determine the optimal subreflector position for shaped Cassegrain antennas, that are distorted by gravity, to improve their electromagneti...
关键词：methods:analytical methods:numerical TELESCOPE techniques:radar ASTRONOMY 
Interference coupling analysis based on a hybrid method: application to a radio telescope system被引量：2
《Research in Astronomy and Astrophysics》2018年第2期7-18,共12页Qing-Lin Xu Yang Qiu Jin Tian Qi Liu 
funded by the National Basic Research Program of China(No.2015CB857100);the National Natural Science Foundation of China(Nos.11473061 and11103056)
Working in a way that passively receives electromagnetic radiation from a celestial body, a radio telescope can be easily disturbed by external radio frequency interference as well as electro- magnetic interference ge...
关键词：telescopes -- methods： analytical - methods： numerical - waves 
Revisiting gamma-ray burst afterglows with time-dependent parameters
《Research in Astronomy and Astrophysics》2018年第2期53-72,共20页Chao Yang Yuan-Chuan Zou Wei Chen Bin Liao Wei-Hua Lei Yu Liu 
supported by the National Basic Research Program of China(973 Program,Grant 2014CB845800);the National Natural Science Foundation of China(Grant Nos.11773010,U1431124 and U1738132)
The relativistic external shock model of gamma-ray burst （GRB） afterglows has been estab- lished with five free parameters, i.e., the total kinetic energy E, the equipartition parameters for electrons ee and for the...
关键词：（stars：） gamma.ray burst： general -- methods： analytical 
An analytical symplectic approach to the vibration analysis of orthotropic graphene sheets被引量：4
《Acta Mechanica Sinica》2017年第5期912-925,共14页Xinsheng Xu Dalun Rong C.W.Lim Changyu Yang Zhenhuan Zhou 
support of the National Natural Science Foundation of China (Grant 11672054);the Research Grant Council of Hong Kong (11215415);the National Basic Research Program of China (973 Program) (Grant 2014CB046803)
A nonlocal continuum orthotropic plate model is proposed to study the vibration behavior of single-layer graphene sheets (SLGSs) using an analytical symplectic approach. A Hamiltonian system is established by introduc...
关键词：Hamiltonian system Analytical method Nonlocal elasticity theory Orthotropic graphene sheet Natural frequency 
Analytical investigation for stress measurement with the rheological stress recovery method in deep soft rock被引量：3
《International Journal of Mining Science and Technology》2016年第6期1003-1009,共7页Jiang Jingdong Liu Quansheng Xu Jie 
supported by the National Basic Research Program of China (No.2014CB046904);the National Natural Science Foundation of China (Nos.41130742 and 11302242)
Due to the difficulty and weakness of current stress measurement methods in deep soft rock, a new rheological stress recovery method of the determination of the three-dimensional(3D) stress tensor is proposed. It is s...
关键词：In-situ stress measurement Soft rock Rheological Analytical research 
Modeling the Synergetic Effect of Various Factors on Chloride Transport in Nonsaturated Concrete被引量：1
《Journal of Wuhan University of Technology(Materials Science)》2016年第6期1336-1346,共11页张小刚 LU Zhaohui 王淑萍 ZHOU Tianhai XING Feng 
Funded by the National Natural Science Foundation of China(Nos.51278304,U1134209,U1434204&51422814);the National Basic Research Program(973 Program)of China(No.011-CB013604);the Technology Research and Development Program(Basic Research Project)of Shenzhen(Nos.JCYJ20120613174456685&JCYJ20130329143859418)
Diffusion has been systematically described as the main mechanism of chloride transport in reinforced concrete（RC） structure, especially when the concrete is in a saturated state. However, the single mechanism of di...
关键词：RC structures nonsaturated concrete chloride transport synergetic effect analytical convection-diffusion model influence factors 
A method for modeling and deciphering the persistent photoconductance and long-term charge storage of ZnO nanorod arrays被引量：3
《Nano Research》2016年第10期2972-3002,共31页Qiang Zhu Changsheng Xie Huayao Li Dawen Zeng 
This work was supported by National Natural Science Foundation of China （No. 50927201） and the National Basic Research Program of China （Nos. 2009CB939705 and 2009CB939702）. The authors are also grateful to Analytical and Testing Center of Huazhong University of Science and Technology.
The controllability of persistent photoconductance （PPC） and charge/energy storage of ZnO nanorod arrays （NRAs） were demonstrated experimentally by tuning the nanorod diameter. The dependency of the ZnO NRAs＇ pho...
关键词：ZnO photoconductance spectrum persistent photoconductance photogenerated carrier rate function analytical fitting 
Analytical Descriptions of Magnetic Properties and Magnetoresistance in n-Type HgCr_2Se_4被引量：2
《Chinese Physics Letters》2016年第7期157-160,共4页林朝镜 石友国 李永庆 
Supported by the National Natural Science Foundation of China under Grant Nos 61425015,11474330 and 11374337;the National Basic Research Program of China under Grant Nos 2012CB921703 and 2015CB921102;the Chinese Academy of Sciences
We present a detailed investigation of magnetic properties of colossal magnetoresistance material HgCr2Se4. While spontaneous magnetization and zero-field magnetic susceptibility are found to follow asymptotic scaling...
关键词：of on de is ET Analytical Descriptions of Magnetic Properties and Magnetoresistance in n-Type HgCr2Se4 in for 
全选清除导出
共4页<1234>
检索报告 对象比较 聚类工具 使用帮助 返回顶部