position by dead reckoning 中文意思是什麼

position by dead reckoning 解釋
推算船位
  • position : n 1 位置;方位;地點。2 處境,情況;狀態,形勢,局面。3 姿態,姿勢。4 地位,身份;職位;職務。5 ...
  • by : adv 1 在側,在旁,在附近。2 (擱)在一邊,(放)到旁邊,(存)在一旁;收著。3 (由旁邊)經過,過...
  • dead : adj 1 死的;無生命的,無生物的。2 無感覺的。3 (炭等)已熄滅的;無生氣的,呆滯的,停頓的;冷落的...
  • reckoning : n. 1. 計算,算賬,結算;估計;(酒館等的)賬單。2. 報應,懲罰。3. 【航海】(由天文觀測的)船位推算。
  1. It was cloudy ; and the captain had to calculate our position by dead reckoning

    空中陰雲密布,船長不得不用羅盤測航法以確定我們的位置。
  2. The position system has used to give first place to with gps navigates, dead reckoning system and map - matching system are the subdominant ones. the location is calculated by dead reckoning algorithm when the gps system invalidated which can affact well in short time

    定位系統採用了與gps為主、航位推算系統為輔的組合導航系統,利用航位推算對gps定位出現失效時,進行輔助定位,在短時間內能獲得良好的效果。
  3. Most car navigation systems estimate the car position from the dead reckoning and the global positioning system ( gps ). however, in combining the gps and dead reckoning, the kalman filter can be used. the estimated position by the kalman filter is proved to be optimal if the system is linear and the noise is white gaussian

    車載自主導航系統主要是利用gps / dr (全球定位系統/航位推算)導航定位器來提供位置和速度信息。雖然用gps / dr組合導航系統進行車載導航,能夠有效的減少由gps導航所造成的誤差。
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