dead reckoning

英 [ded ˈrekənɪŋ]

美 [ded ˈrekənɪŋ]

推算定位；航位推测法

计算机

英英释义

noun

• navigation without the aid of celestial observations
• an estimate based on little or no information
  Synonym:guessguessworkguessingshot

双语例句

• Research on a method for dead reckoning parameter estimation in pedestrian navigation system
  行人导航系统中航迹推算参数估计方法的研究
• 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。
• In this paper the characteristic and construction of DIS for a weapon system are studied, and dead reckoning ( DR) and virtual reality ( VR) technologies are applied to an anti-ship missile weapon system design and simulation.
  分析了DIS系统的特点，建立了某反舰导弹武器系统DIS体系结构，并应用DR、VR技术对武器系统进行计算和仿真。
• Inertial sensors localization uses dead reckoning method, which mainly includes three factors: step number, heading and step length.
  惯性传感器定位使用航迹推算方法可以实现连续无缝的定位，航迹推算方法涉及到三个因素：步数、航向和步长。
• 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。
• This paper addressed an approach of low cost pedestrian dead reckoning by using different idea from traditional dead reckoning.
  针对步行者的运动特点，采用和传统航位推算不同的思路，提出低成本步行者航位推算方案。
• Predictable method of investment of development project have been put foreword, dead reckoning models of decision cost of development project and duration expensive have been built.
  提出开发规划方案投资估算方法，同时建立了决策成本和期间费用预测模型。
• 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。
• Through combining dead reckoning, GPS positioning information and Map-Matching algorithm, this paper represents an algorithm to correct sensors parameters in In-Vehicle Navigation System.
  针对车载组合导航信息融合的高精度、高可靠性等要求，提出了一种组合导航的自适应集中滤波算法。
• Research for the way of dead reckoning on the wind condition
  风中航迹推算方法的探讨