中国科学院机构知识库网格系统: 检索

ON THE INTERIOR REGULARITY CRITERIA OF THE 3-D NAVIER-STOKES EQUATIONS INVOLVING TWO VELOCITY COMPONENTS 期刊论文 OAI收割
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS, 2018, 卷号: 38, 期号: 5, 页码: 2609-2627
作者:

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收藏 | 浏览/下载：25/0 | 提交时间：2019/12/13

Interior regularity criteria Navier-Stokes equations LPS criterion harmonic function suitable weak solution

GRADIENT ESTIMATES FOR POSITIVE SMOOTH f-HARMONIC FUNCTIONS 期刊论文 OAI收割
ACTA MATHEMATICA SCIENTIA, 2010, 卷号: 30, 期号: 5, 页码: 1614-1618
作者: Chen Li; Chen Wenyi

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收藏 | 浏览/下载：21/0 | 提交时间：2018/07/30

gradient estimate f-harmonic function Bakry-Emery Ricci tensor

计算听觉场景分析中层表达与组织策略研究 学位论文 OAI收割
工学博士, 中国科学院自动化研究所: 中国科学院研究生院, 2010
作者: 张学良

收藏 | 浏览/下载：47/0 | 提交时间：2015/09/02

语音分离计算听觉场景分析多基音跟踪动态谐波函数 Speech Separation Computational Auditory Scene Analysis Multi-pitch Tracking Dynamic Harmonic Function

Athermal design of hybrid refractive/harmonic diffractive optical system for far-infrared multi-band (EI CONFERENCE) 会议论文 OAI收割
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, November 19, 2008 - November 21, 2008, Chengdu, China
作者: Liu Y.; Liu Y.; Zhang H.; Zhang H.; Sun Q.

收藏 | 浏览/下载：34/0 | 提交时间：2013/03/25

In order to get enough information about the target avoid big chromatic aberration as a result of wide spectrum and the complexity of optical system and adapt different special environment temperature a hybrid refractive/harmonic diffractive optical system in far-infrared multi-band is described in the paper. This diffractive optical system has been designed an athermalized multi-band imaging system with harmonic diffractive element in 15-50m spectrum based on larger 1dispersion capability and particular thermal dispersive power of harmonic diffractive element. Then at the temperature range from 0C to 40C this design can simultaneously meet with all requirements of the imaging system in five harmonic wave bands including15.8-16.2m 18.5-20m 23-25m 30.5-33.5m and 46-50m. In each harmonic wave band the magnification changes as a function of wavelength which creates image registration error. To compensate this shortcoming a zoom optical system is designed with three lenses by means of optical two- component method. The design results show that the hybrid refractive/harmonic diffractive optical system can realize athermalized and achromatic design and the zoom optical system makes half image height at 3.53mm in every harmonic wave band and still realizes aberration compensation action. In the five harmonic wave bands each optical transfer function approaches the diffraction limit at ambient temperature range of 0C to 40C. Finally the system realizes the requirements of portability mini-type and ease for fabrication. 2009 SPIE.

The application of Bessel discrete variable representation to atomic hydrogen in intense laser fields 期刊论文 OAI收割
journal of theoretical & computational chemistry, 2007, 卷号: 6, 期号: 4, 页码: 823-831
作者: Yuan, Kai-Jun; Sun, Zhigang; Cong, Shu-Lin; Lou, Nanquan

收藏 | 浏览/下载：20/0 | 提交时间：2015/11/11

Bessel function discrete variable representation hydrogen atom high-order harmonic generation

A solution to the ground and single vortex states of Bose-condensed gas in an axially symmetric harmonic trap 期刊论文 OAI收割
ACTA PHYSICA SINICA, 2007, 卷号: 56, 期号: 2, 页码: 666-672
作者: Xu Zhi-Jun; Shi Jian-Qing; Lin Guo-Cheng

收藏 | 浏览/下载：15/0 | 提交时间：2015/10/13

Bose-condensed gas G-P functional wave function harmonic trap

Boundary integral formulas for elastic plane problem of exterior circular domain 期刊论文 OAI收割
APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION, 2006, 卷号: 27, 期号: 7, 页码: 993-1000
作者: Dong Zheng-zhu; Li Shun-cai; Yu De-hao

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收藏 | 浏览/下载：21/0 | 提交时间：2018/07/30

elastic plane problem of exterior circular domain bi-harmonic equation Fourier series stress function boundary integral formula

Solution of the ground state wave function of Bose-condensed gas in a harmonic trap based on the Gross-Pitaevskii function 期刊论文 OAI收割
ACTA PHYSICA SINICA, 2006, 卷号: 55, 期号: 7, 页码: 3265-3271
作者: Xu Zhi-Jun; Shi Jian-Qing; Li Zhen; Cai Ping-Gen

收藏 | 浏览/下载：26/0 | 提交时间：2015/07/17

Bose-condensed gas G-P function harmonic trap ground state wave function

The Information acquirement of hyperspectral detection system with harmonic diffractive element in infrared dual band (EI CONFERENCE) 会议论文 OAI收割
ICO20: Optical Information Processing, August 21, 2005 - August 26, 2005, Changchun, China
作者: Zhang Y.; Gao Y.

收藏 | 浏览/下载：21/0 | 提交时间：2013/03/25

A novel design of combination of hybrid system and zoom system in hyperspectral detection imaging is discribed based on the application of harmonic diffractive element (HDE) compared with conventional system. The principles of HDE and infrared zoom hyspectral detection system are presented and the results of a example design are given. It is show that the resolution of this hybrid system is improved and the light power received by Cassegrain system is enlarged. Wavefront aberrations are less than 1/4 wavelength and Modulation Transfer Function in the dual band on each zoom focus location approaches or attains the diffraction limit on 20 cycles/mm.

The structure and potential energy function of SO2- (B-2(1)) 期刊论文 OAI收割
acta physica sinica, 2004, 卷号: 53, 期号: 6, 页码: 1749-1752
作者: Liu, YF; Xu, HJ; Wu, YN; Sun, JF; Cong, SL

收藏 | 浏览/下载：34/0 | 提交时间：2015/11/10

SO2- SO- ion structure harmonic frequencies potential energy function