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

• 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。
• 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。
• Dead Reckoning Method and Error Analysis for Small UAVs
  小型无人机航位推算定位算法研究与误差分析
• 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。
• 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。
• 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。
• 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