中国科学院机构知识库网格系统: 检索

浏览/检索结果: 共17条，第1-10条

帮助

条数/页：排序方式：
	A Band Rejection Filter of High Current Radio Frequency Ion Source for Neutral Beam Injector 期刊论文 OAI收割 FUSION SCIENCE AND TECHNOLOGY, 2021 作者: Liu, Wei; Cui, Qinglong; Liu, Sheng; Liang, Lizhen; Zhao, Yuanzhe \| 收藏 \| 浏览/下载：42/0 \| 提交时间：2021/06/15 Neutral beam injector radio frequency interference radio frequency compensation band rejection filter
	Applications of differential barometric altimeter in ground cellular communication positioning network 期刊论文 OAI收割 IET SCIENCE MEASUREMENT & TECHNOLOGY, 2020, 卷号: 14, 期号: 3, 页码: 322-331 作者: Hu, Zhengqun; Zhang, Lirong; Ji, Yuanfa \| 收藏 \| 浏览/下载：22/0 \| 提交时间：2021/12/06 cellular radio height measurement measurement errors Global Positioning System altimeters barometers least squares approximations Kalman filters surface fitting spread spectrum communication compensation matrix algebra GPS signal message structure power spectrum spread spectrum ranging signal fitting parameters least-square solution calibration compensation system noise variance matrix measurement noise variance matrix multibase station correction height information correction calculation DBA system systematic performance differential barometric altimeter ground cellular communication positioning network measurement datum distribution altitude positioning error Global Positioning System differential barometric altimetry system systematic implementation level continuous altitude measurement precise altitude measurement DBA systematic implementation aspect two dimensional curved surface fitting function sensor measurement correction filtering effect Kalman filter measuring station multiBSs navigation fusion
	Low-level radio-frequency system upgrade for the IMP Heavy Ion Reach Facility in Lanzhou (HIRFL) 期刊论文 OAI收割 NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2019, 卷号: 925, 页码: 76-86 作者: Cong, Yan; Xu, Shaofan; Zhou, Wenxiong; Wang, Haoning; Ren, Hongwen \| 收藏 \| 浏览/下载：84/0 \| 提交时间：2019/11/10 LLRF PI filter Temperature drift compensation Digital down conversion Phase modulation suppression
	Key preprocessing technology and its application for CBM AVO analysis 期刊论文 OAI收割 ACTA GEOPHYSICA, 2017, 卷号: 65, 期号: 5, 页码: 1069-1079 作者: Liu, Zhiwei; Si, Guoshuai; Chen, Xinping; Wang, Qing; Deng, Shiguang \| 收藏 \| 浏览/下载：30/0 \| 提交时间：2017/11/24 CBM AVO analysis Relative amplitude preserved Radial trace filter Surface-consistent amplitude compensation Kirchhoff prestack time migration
	Improved smb speckle filtering of polarimetric sar data with synergistic use of orientation angle compensation and spatial majority rule 期刊论文 iSwitch采集 Journal of central south university, 2016, 卷号: 23, 期号: 6, 页码: 1508-1514 作者: Liu Lin; Jiang Li-ming; Li Hong-zhong 收藏 \| 浏览/下载：43/0 \| 提交时间：2019/05/09 Scattering-model-based (smb) speckle filter Polarimetric synthetic aperture radar Orientation angle compensation Spatial majority rule
	The compensation method for downward continuation of potential field from horizontal plane and its application 期刊论文 OAI收割 CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2012, 卷号: 55, 期号: 8, 页码: 2747-2756 作者: Gao Yu-Wen; Luo Yao; Wen Wu \| 收藏 \| 浏览/下载：24/0 \| 提交时间：2018/09/26 Potential field Downward continuation Compensation method Frequency response Ideal low-pass filter Inversion of density interface
	On the design of feed-forward Sigma Delta interface for MEMS based accelerometers 期刊论文 OAI收割 ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, 2012, 卷号: 72, 期号: 1, 页码: 3-10 作者: Liang, Wenquan; Yang, Changchun; Qiao, Donghai \| 收藏 \| 浏览/下载：32/0 \| 提交时间：2018/09/26 Analog to digital conversion Feed forward sigma-delta interface MEMS Inertial accelerometer Compensation filter Optimal coefficients
	Research on satellite platform vibration compensation method based on liquid crystal steering system (EI CONFERENCE) 会议论文 OAI收割 2011 SSITE International Conference on Future Material Research and Industry Application, FMRIA 2011, December 1, 2011 - December 2, 2011, Macau, China 作者: Wen M. 收藏 \| 浏览/下载：13/0 \| 提交时间：2013/03/25 This paper presents the disturbance compensation scheme based on liquid crystal steering system according to the problem that satellite platform vibration affects the tracking and pointing accuracy in space optical communication. The mathematical model of liquid crystal steering system is built. For improving convergence speed the adaptive controller based on posteriori estimation errors RLS lattice filter is designed which not only achieves fast adaptation but also reaches optimal steady-state disturbance compensation. Finally the simulation results show that this control scheme is valid and feasible. (2012) Trans Tech Publications Switzerland.
	The research on servo control technology of O-E theodolite based on angular acceleration sensor (EI CONFERENCE) 会议论文 OAI收割 2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010, August 24, 2010 - August 26, 2010, Changchun, China Wei L.; Jin G.; Juan C. 收藏 \| 浏览/下载：22/0 \| 提交时间：2013/03/25 A new servo control methods for O-E theodolite is presented in this paper. The methods integrates optimally feed forward and feedback control and adopts acceleration delay compensation based on velocity delay compensation then achieves servo control of O-E theodolite effectively. Furthermore Angular acceleration sensor is applied as information resources and adaptive filter is formed to provide with feed forward control signal in the methods. For double closed loop servo control system of O-E theodolite the location correction loop and velocity correction loop are analyzed and designed. Simulation and experimental results show that comparing with traditional methods this servo control methods can improve significantly tracking precision and stability of O-E theodolite. 2010 IEEE.