dead reckoning
英 [ded ˈrekənɪŋ]
美 [ded ˈrekənɪŋ]
推算定位;航位推测法
英英释义
noun
- navigation without the aid of celestial observations
- an estimate based on little or no information
双语例句
- I had to rely completely on dead reckoning.
我只得全凭自己的测算行事。 - During the design of algorithm, we advised to increase the GPS 'output rate by dead reckoning so as to decrease the filtering period, and corrected the quaternion at the initial phase of filter. These methods can improve the quickness and accuracy of alignment efficiently.
在算法设计时,文中提出了采用航位推算法提高GPS系统的信号输出频率、进而减小滤波周期,以及在滤波初始阶段修正四元数等方法,有效地提高了对准的速度和精度。 - Dead reckoning error equation and vehicle dynamic model error equation is established.
建立了航位推算误差方程和车辆动态模型误差方程。 - Dead Reckoning ( DR) algorithm is an important technique which is widely used in distributed interactive simulation.
DR算法是分布交互仿真中的一种被普遍采用的重要技术。 - Homing experiment system was constructed and moving track of robot was recorded by dead reckoning method. To improve the positioning accuracy, the robot tracked skid was compensated and azimuth error was corrected using angle estimation based on panoramic vision.
构建了完整的实验系统,采用推算式定位方法记录机器人在实验过程中的轨迹,对履带打滑进行补偿,利用全景视觉校正机器人的方位角,提高推算式定位方法的精度。 - Dead reckoning ( DR) and map matching are used in the simulation of fusion positioning result. This method is proved feasible.
利用航迹推算法和地图匹配法对组合定位的结果进行了仿真,证明方法是可行的。 - Research for the way of dead reckoning on the wind condition
风中航迹推算方法的探讨 - Positioning for ship's side scuttles It was cloudy; and the captain had to calculate our position by dead reckoning.
空中阴云密布,船长不得不用罗盘测航法以确定我们的位置。 - Dead reckoning uses an accurate history of a vessel's headings and speeds drawn from gyroscopes and from computerized measurements of the craft's acceleration. Method of Speed Trial and Automatic Date Processing and Analysis with Computer for Transport Ships with Full-Scale
航迹是从陀螺仪得到航向,从计算机化量测船的加速度得到速率,将整个精确历程绘制而成。实船航速试验方法及数据分析计算机自动化 - Theorize the model of kinematics and dynamics for tricycle platform. The topological map localization technology based on RFID landmark in the structured environment is studied, and the dead reckoning principles is formulated.
针对采用的三轮结构机械本体,建立了机器人运动学模型和动力学模型,论述了结构化环境中基于RFID路标的拓扑地图定位导航技术,对航位推算法原理进行了理论推导。