航跡推算 的英文怎麼說

中文拼音 [hángjītuīsuàn]
航跡推算 英文
dead reckoning
  • 航 : Ⅰ名詞（船） boat; shipⅡ動詞（航行） navigate （by water or air）; sail
  • 跡 : 名詞1 （留下的印子; 痕跡） mark; trace 2 （前人遺留的建築或器物等） remains; ruins; vestige 3 （...
  • 推 : 動詞1 （向外用力使物體移動） push; shove 2 （磨或碾） turn a mill or grindstone; grind 3 （剪或削...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 推算 : calculate; reckon; reckoning; prediction; calcu-lating
  1. A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path

    本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討，在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型，推導出了一個通用的移動機器人堆積方程，在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解；使用muir和newman的運動學建模方法，推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法；在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析：推導了一種理論精度較高的航位推算演算法，並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬；最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路，較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題；本論文研究成果已在本實驗室所開發的樣機上得到實現，經過應用與考核證明其中的分析與設計是切實可行的。
  2. The results of simulation given in this paper indicate that the sins / dtu can effectively improve on the following navigation parameters : velocity, latitude and longitude, yawing and attitude angle, position of track - reckoning etc

    模擬結果表明，該組合導航系統可有效地減小速率、經度和緯度、航向角和姿態角及航跡推算下的位置等導航參數的累積誤差。
  3. In view of the problems existing in air traffic control system that there are many types of tracking information and quality of the information is not consistent with time segments technique, a new algorithm, which is based on data of multi - types sensors is presented of time normalizing - extrapolating for data time - alignment

    摘要針對空中交通管理中的多種類型航跡信息以及信息質量不一致等問題，採用了聚類的時間片技術，提出一種基於多類型傳感器數據信息的時間歸一化外推數據對準演算法，融合航跡數據，提高了航跡信息的一致性和準確性。
  4. The main tasks of this thesis are : discussing the dead - reckoning theory of doppler velocity log and compass, decreasing location error methods, emulating several ship tracks ; discussing several aspects influencing the velocity precision of doppler velocity log ; in a pool trial, processing the trial data and achieving some conclusions

    本論文主要研究工作包括：對羅經和多普勒計程儀推算輔助導航系統的工作原理，及減小定位誤差的兩種方法和幾種軌跡進行了研究；對影響多普勒計程儀測速誤差的各個方面進行了綜述；最後對多普勒計程儀水池試驗的數據進行了處理，得出所要結論。
  5. To apply neural networks to the simulation of ship maneuvering motion, an nnrm ( neural network recursive model ) is designed and used to simulate a serial full - scale tests conducted in yangtze river and the comparison between simulated results and the measured ones is satisfactory. ship trajectory tracking is a well - known maneuvering problem with an increasing practical and theoretical interest. but the real - world tracking applications encounter a number of difficulties caused by the presence of different kinds of uncertainty due to the unknown or not precisely known system model and environmental effects

    本文利用智能控制技術的優越性，嘗試將智能化控制技術用於船舶操縱運動模擬，初步探索了將現代控制理論和智能技術融入船舶操縱預報、模擬的研究方法，提出了用於船舶操縱運動模擬的線性神經網路（ lnn ） 、神經網路遞推模型（ nnrm ）和nnrm 、交錯航跡距離（ cte ）和視距（ los ）混合控制器模型三種控制模型：並將控制模型的理論研究應用到實船試驗數據分析、計算，將模擬結果與實際的試驗結果作了比較。
  6. For reducing dead - reckoning location error of doppler velocity log and compass, this thesis studies two methods, exponential flatness arithmetic and common flatness, gives the emulating results in the different tracks, proves that lawnmower is a efficient method of decreasing location error

    本文研究了減小推算輔助導航系統定位誤差的指數加權平滑法和一般平滑法，並結合計算機給出了在同一軌跡下，兩種定位方法的區別；並且還給出了不同軌跡下的定位結果，證明了走剪草機軌跡是一種有效的減小定位誤差的方法。
  7. The same conclusion as derived from the original pda under approximate condition is concluded this way without any approximations. the second method is the instant - state performance prediction based on the hyca method. this method not only gives the off - line recursive error variance relation, but also gets a series of performance measurement such as track life

    然後應用兩種方法對其進行性能估計和預測，一是基於riccati方程的穩態性能估計，其結果與pda演算法近似條件下得出的結論相同；二是基於hyca方法的瞬態性能預測，不僅給出了誤差方差的離線遞推關系，而且得到了航跡壽命等一系列性能指標的估計值。
  8. In the end, the divisional resampling is applied to the demo system of trajectory planning and trajectory control, which indicates that it can increase the efficiency of the particle filter and be applied in practice

    最後，將其應用於飛行器航跡規劃與控制的模擬演示系統，結果表明，分區重采樣演算法提高了粒子濾波演算法的效率，可以在實際中推廣應用。
  9. Given the condition of the fusion tracking under multiple sensors non - linear measurements, this paper applies the conclusion of the analysis of single sensor decoupled cmkf, tss filter and tss variance to the fusion tracking system. it also studies their application in basic measurement fusion and track fusion algorithm, and covariance recursive formula of track fusion is deduced. which offers a new way for steady - state performance evaluation of multi - radar fusion tracking

    考慮多傳感器非線性觀測下的融合跟蹤，論文將單傳感器解耦cmkf 、 「暫穩態」濾波器以及「暫穩態」方差分析的結論推廣應用到融合跟蹤中，研究了其在基本的量測融合和航跡融合演算法中的應用，推導了航跡融合中互協方差的遞推公式和「暫穩態」公式，為多雷達融合跟蹤的穩態性能估計提供了一種新途徑。
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