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

• 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。
• 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。
• 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。
• 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。
• 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
• 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。
• Taking into account the complex working environment: uneven physiognomy of deep-sea, wheel's skid, low surrounding visibility and so on, I bring forward the dead reckoning based on the driven wheel.
  考虑到深海地貌崎岖不平、车轮打滑、周围能见度低等复杂的工作环境，提出了一种基于从动轮的航位推算定位。
• By a simple data filtration mechanism and classified data distribution method, and considering the Dead Reckoning algorithm, the real-time performance and the reliability were improved.
  采用一种简单的数据过滤机制和分类别的数据分发方法，并结合推算定位方法，提高了系统的实时性和可靠性。
• Self-positioning of robot based on dead reckoning and ultrasonic data fusion Research and Application of DR Algorithm in Heading-off Strategy
  基于推算定位和超声波定位融合的机器人自主定位技术推算定位算法在拦截策略中的研究与应用
• Application of Magnetic Sensor to Dead Reckoning for Vehicle
  磁阻传感器在车辆航位推算系统中的应用研究