1.The Embedded Vehicle Navigation System (EVNS) is a relatively new embedded product. It mainly used for navigation services in cars, but as well as GPS orientation, map browse, media player, security alarm, internet navigation and so on.
嵌入式车载导航系统EVNS(Embedded Vehicle Navigation System)是一个相对比较新的嵌入式产品,主要用于车辆的导航服务上,同时还可提供GPS定位、地图查阅、媒体播放、安全报警、上网、查阅新闻等其他服务。
2.Inertial Navigation System (Inertial Navigation System, INS) does not need external information and has highly autonomous character.
惯性导航系统(Inertial Navigation System，INS)不需要外部信息，具有自主性强的特点。
3.A Research on the Problems Encountered in the Design of Hypertext Navigation Graph
A Researchon the Problems Encountered in the Design of Hypertext Navigation Graph
4.It is anticipated that around 2010 the next generation og GNSS will offer around one hundred satellites for positioning and navigation .
预期在2010年左右，下一代GNSS(Global Navigation Satellite Systems)将提供大约100多颗人造卫星用于定位和导航。
5.Through analyzing several common integrated navigation systems,the navigation method for hypersonic cruise air vehicles were put forward by adopting strapdown inertial navigation system(SINS)/GPS/celestial navigation system(CNS) .With quaternion in strapdown inertial navigation,the combined navigation system by means of federated Kalman filtering method was simulated.The simulation results showed that the system is feasible and effective.
通过分析目前应用较为普遍的几种组合导航方式,针对高超声速巡航飞行器,提出了采用捷联惯性导航系统(SINS)/GPS/天文导航系统(CNS)组合导航作为其中段制导方案,并利用四元数法进行捷联惯性导航计算,运用联邦滤波方法对组合导航进行了仿真,仿真结果表明该方案行之有效。
6.Based on "Underwater Navigition-water surface correction-Underwater Navigition" navigation mode, in which SINS/DVL integrated navigation is used as the underwaer navigation means and SINS/GPS integrated navigation is used as the water surface correction system. The integrated navigation system is designed by the improved Kalman filtering arithmetic, inverse-matrix-free kalman filtering arithmetic and improved adaptive kalman filtering arithmetic.
本文在“潜航—水面校正—潜航”的导航模式上，利用SINS／DVL组合导航系统作为水下导航，SINS／GPS组合导航系统作为水面校正系统，利用改进的Kalman滤波算法、无逆阵计算的Kalman滤波算法、改进的自适应Kalman滤波算法，对组合导航系统滤波算法进行了设计与仿真研究。
7.Based on the practical thing and the developments of navigation technique, we design the Integrated Navigation System of the AUV in this paper. Using timing introducing GPS navigation information, we solve the question of the positional error accumulated with the time due to strapdown inertial navigation system(SINS) and Doppler Navigation system.
本文结合国内外导航技术发展的实际状况和发展方向，同时考虑水下航行器使用的特殊性，设计了水下航行器组合导航系统，通过定时引入GPS导航信息，解决了捷联惯导和多普勒组合导航情况下，定位误差随时间而积累的问题，通过仿真研究，结果表明本文所研究的设计方案合理，能够有效提高长续航、大航程时水下航行器的定位精度。
8.Abstract Based on the relative literature of DMU,including the archive of navigation specialty,statistical material,almanac,the change and development and the need of professionals of navigation business at home and abroad,the article discusses the training of the navigation professionals by analyzing the influence of the change of navigation market and the need of professionals.
本文以我校航海类专业有关档案、统计资料、年鉴以及国内外航运业发展变化和人才需求的文献资料为研究依据，通过分析航运市场的变化以及对航运人才需求产生的影响，探讨我校航海类专业人才培养。
9.Navigation parameters from INS and error angles of platform were chosen as the states of the system,the navigation calculating equations and attitude error equations of INS were the state equations,and navigation parameters from GPS were the measurements. UKF was used to estimate navigation parameters of the integrated system directly.
以INS输出的导航参数及平台误差角等作为系统状态,惯导力学编排方程和姿态误差方程作为系统状态方程,GPS输出的导航参数作为量测,采用UKF方法对系统导航参数直接进行估计.
10.Applications of GPS Inertial Navigation and Combination Navigation Techniques in Motor Vehicle Navigation
GPS技术、惯性导航技术和组合导航技术在汽车导航中的应用
