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
- 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。 - 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 - 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。 - 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。 - 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 ( 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 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 - 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。 - 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。