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
- Study on Dead Reckoning for a Mobile Robot on Uneven Terrain
非平坦地形下移动机器人航迹推测方法研究 - 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。 - 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。 - 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。 - 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。 - 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。 - 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 - 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。