利用Cryosat-2数据计算南海高空间分辨率高精度重力异常,对Cryosat-2 level 2 SIR_GDR-2A数据进行轨迹分析和交叉点分析。基于测高数据集(第1~4周期),借助加权最小范数最小二乘解计算网格剩余垂线偏差分量,然后计算中国南海海域(4°~24°,105°~120°)2×2重力异常。结果表明,Cryosat-2数据轨迹密度高且分布均匀规则,交叉点不符值均方根值为15.9 cm
立足军交运输训练的一般性特征和空军军兵种特色需求,以新的使命任务为牵引,深化推进空军军交运输训练不断创新发展,对有效形成空军军交运输核心能力,加快转变部队战斗力、保障力
10月27日,中国木材保护工业协会成立大会暨2011中国木材保护工业高峰论坛在北京成功举办。来自中国国家工业和信息化部、民政部、住房和城乡建设部、中国物流与采购联合会、
To improve the reliability and accuracy of the global positioning system (GPS)/micro electromechanical system (MEMS)-inertial navigation system (INS) integrated
An adaptive fuzzy sliding mode control (AFSMC) approach is proposed for a robotic airship.First,the mathematical model of an airship is derived in the form of a
Based on an auditory model,the zero-crossings with maximal Teager energy operator (ZCMT) feature extraction approach was described,and then applied to speech an
Consider the design and implementation of an electro-hydraulic control system for a robotic excavator,namely the Lancaster University computerized and intellige
Laser assisted machining (LAM) has difficulties in estimating temperature after applying a LAM process due to its very small heat input area,large energy and mo
A stratum grouting-soil-structure interaction model which simplified the grouted zone into a series of spherical grout bulbs was established using FLAC3D progra
The flow between a grooved and a flat plate was presented to investigate the effects of groove on the behavior of hydro-viscous drive.The flow was solved by usi