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

• Study on Positioning System of Deep-sea Mining Vehicle Based on Dead Reckoning
  基于航位推算的深海采矿车定位系统研究
• I had to rely completely on dead reckoning.
  我只得全凭自己的测算行事。
• 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。
• Dead reckoning of cars is widely used in positioning with speed sensor and gyroscope when the GPS signal is obstructed.
  利用车速传感器和压电陀螺仪进行汽车的航位推算，成功解决由于GPS信号被遮挡不能定位的情形。
• On Error Compensation Technology for Vehicular Dead Reckoning ( DR) System
  车载航位推算系统误差补偿技术研究
• 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
• 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。
• A new visual dead reckoning positioning method is presented for mobile robot, which is based on lines and single feature points.
  提出了一种基于直线和单特征点的视觉推算定位方法。
• Pose tracking based dead reckoning and global localization based landmark recognization were designed for self-localization, location mechanism was designed integrating the two methods.
  本文设计了基于航位推算法的位姿跟踪和基于路标识别的全局定位2种自定位方法，并结合这2种方法设计了行走中的定位机制。