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
- 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。 - 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。 - 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。 - 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。 - 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 - Research for the way of dead reckoning on the wind condition
风中航迹推算方法的探讨 - 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。 - Dead reckoning analog indicator course and speed made good through the water
航迹推算模拟指示器对水推算航向及航速 - 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。