dead reckoning 【航海】(根據儀器推算而不是根據天文觀察的)船位推測法。
【航海】(根據儀器推算而不是根據天文觀察的)船位推測法。 “dead“ 中文翻譯： adj. 1.死的；無生命的，無生物的。 2.無感覺的。 ...“reckoning“ 中文翻譯： n. 1.計算，算賬，結算；估計；(酒館等的)賬單。 2 ...“dead-reckoning“ 中文翻譯： 推測航行法“automatic dead reckoning“ 中文翻譯： 自動推算航跡“basic dead reckoning“ 中文翻譯： 基本推測領航法“dead reckoning (dr)“ 中文翻譯： 推測航行“dead reckoning altitude“ 中文翻譯： 推測高度“dead reckoning analog indicator“ 中文翻譯： 航跡推算模擬指示器“dead reckoning analyser“ 中文翻譯： 航跡分析器, 航位推算分析器“dead reckoning analyzer“ 中文翻譯： 船位積算分析器; 航跡分析器; 推測航行分析器“dead reckoning analyzer indicator“ 中文翻譯： 航跡分析指示器“dead reckoning computer“ 中文翻譯： 船位推算計算機; 航跡推算計算機; 航位推算計算機; 領航計算機“dead reckoning data“ 中文翻譯： 推測領航數據“dead reckoning device“ 中文翻譯： 推測領航設備“dead reckoning distance“ 中文翻譯： 積算航程; 推算航程“dead reckoning equipment“ 中文翻譯： 船位推算法裝置; 航跡記錄器航跡推算器; 推測航行設備“dead reckoning indicator“ 中文翻譯： 船位積算分析指示器; 船位推算指示器; 航跡記錄器; 航跡推算指示器“dead reckoning latitude“ 中文翻譯： 推測緯度“dead reckoning longitude“ 中文翻譯： 推測經度; 推測領航計算點經度; 推算經度“dead reckoning navigation“ 中文翻譯： 航跡導航圖; 推測導航; 推測領航; 推算航法“dead reckoning navigation trainer“ 中文翻譯： 推測領航練習器“dead reckoning plot“ 中文翻譯： 航跡推算作圖“dead reckoning point“ 中文翻譯： 船位積算點; 船位推算點“dead reckoning position“ 中文翻譯： 推測位置; 推算船位積算船位; 推算位置“dead reckoning recorder“ 中文翻譯： 航跡記錄器
dead river |
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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、并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算法進行了分析：推導了一種理論精度較高的航位推算算法，并使用matlab對其與傳統的推算算法在跟蹤圓弧軌跡情況下進行了仿真；最后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。 |
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We analyzed and compared the application flow and network capability of mobile virtual environments , then represented a new dead reckoning algorithm . this algorithm computes the dead reckoning threshold according to network latency and packet lost rate . the experiments showed that this dead reckoning algorithm matched the network capability and fulfilled the user demand 在充分分析移動場景圖形應用流量與通信容量基礎上,我們提出一種新穎的dr前瞻算法,此算法依據網絡延遲、分組丟失比率與使用者體驗來動態確定dr算法更新頻度,實驗結果也驗證此算法確實良好匹配網絡變化情況,同時也滿足不同使用者體驗要求。 |
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La dead reckoning algorithm has been developed based on the doppler velocity log ( dvl ) and fiber optic gyrocompass . 2 . since the basic kalman filter will become lapsed , strong tracking filter theory has been inducted , and a new strong adaptive kalman filter algorithm has been developed . further more an adjust gene has been imported , and gets a new arithmetic 針對傳統的卡爾曼濾波算法中由于噪聲統計特性未知而容易引起的濾波發散的缺點，引入強跟蹤濾波理論，提出了帶次優漸消因子的擴展卡爾曼濾波算法，并進一步對該算法進行改善，加入了調整因子，使濾波算法得到較好的改善。 |
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The work for this thesis is as follows : firstly , based on previous studies , this thesis puts forward the information synchronization theory of collaborative system in dvr , gives a synchronous control scheme , including information transmission delay , entity states dead reckoning , advanced information - getting schema and system clock synchronization . secondly , this thesis brings forward the measures to solve the information consistency and the real time for the response of sharing operation . thirdly , this thesis designs a parallel rendering model , realizing its task scheduling in the agent and the communication between client and server 本文的主要工作是：一、在基于以前大量的研究基礎上，給出了分布式虛擬現實環境下的協作系統的同步控制策略，包括信息的傳輸延遲、實體狀態估算、信息預取策略及系統全局時鐘同步；二、提出了解決信息一致性問題及共享操作響應的實時性問題的措施；三、在協同設計系統的信息同步理論的基礎上，給出了并行繪制模型的設計，實現其在agent下的任務調度及client與server之間的信息通訊；四、最后給出了一個客戶端幾何形體的顯示及空間操作的實例。 |
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Dead reckoning navigation needs little space , but has high precision . the paper solves the navigation system of “ tset - 1 “ auv based on the sensors available , and a compact soft has been developed . some experience has gotten during the song hua lake “ s test 本文針對“試驗- 1號”小型機器人導航系統要求和傳感器的配備情況，從工程實用性出發，完成了導航軟件的開發，并進行了松花湖試驗，這為今后水下機器人導航系統的研究與應用提供了有益的借鑒，積累了一定的經驗。 |
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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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It analyses disadvantages existing in previous simulation protocols , then gives data filtering technologies in general distributed simulation systems including dead reckoning , data bundling and data compression . in this paper it also explains the conceptions of interest management , illustrates concerned applications and points out developing trends of modern interest management system 論文分析了早期分布式仿真協議中存在的缺點，介紹了一般分布式仿真系統中的數據過濾技術，包括dr技術，數據打包技術和數據壓縮技術；然后講述了興趣管理的相關概念與當前興趣管理在具體系統中的應用，同時給出了現代興趣管理系統的發展趨勢。 |
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Using dead reckoning would lead to frequent state correction updates , increasing both network traffic and visible jolts ( because a quick position jump is sometimes needed when the blended replicated path differs to much from the original path ) 使用導航預測算法可能會導致非常頻繁地發送狀態校正更新包，網絡流量和視覺上的震動都會大大增加(因為當混合后的復制體路徑與原始路徑相差較大時，有時候不得不做一些迅速的位置跳轉) 。 |
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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 定位系統采用了與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。 |
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After building singer athletics model , the new algorithm has been applied in “ test - 1 “ robert “ s dead reckoning athletics . the system “ s precision has been improved 然后建立了水下機器人運動的辛格模型，對推算得到的位置量進行了最優估計，較好的提高了導航的精度，增強了系統的魯棒性。 |
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It integrates the global positioning system , dead reckoning and map matching techniques to provide an intelligent vehicle position system for locating vehicle position in real time 它融合了大地定位系統絕對位置推算及地圖拼對技術，為實時追蹤車輛位置提供一項智能車輛定位系統。 |
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After comparing all kinds of vehicle navigation system , the thesis use dead reckoning as the way of military amphibious vechicle position and direction 論文在對多種車輛定位定向原理進行研究和比較的基礎上，選擇航位推算方法來實現軍用兩棲作戰車的定位定向。 |
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Hence , this paper presents a dead reckoning method for an experimental platform of mobile robot with three rocker - bogie suspensions and six drive wheels on uneven terrain 針對一個3搖桿6驅動輪的移動機器人實驗平臺，本文提出了其在非平坦地形下的航跡推測方法。 |
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We now have a dead reckoning system ( see prototype screenshot on figure 2 ) , named after the ancient naval navigation techniques used when the stars were not visible 現在我們就有了一個導航預測系統，該系統以古代航海學上在星星不可見時用來導航的技術而命名。 |
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The first is dead reckoning , which computes its own positions from the direction and speed data continuously obtained from the gyroscope and speedometer in the vehicle 第一是推測領航，指不斷由車輛的陀螺儀和速度計顯示的方向和速度數據計算本身的位置。 |
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Usually , there are three available accesses for location underwater , inertial navigation , dead reckoning navigation , acoustic tracking location 從目前來看，應用于水下導航的方法主要有：慣性導航、船位推算導航、水聲定位系統等方法。 |
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It is a very important link for autonomous navigation of mobile robot to have an ability in accurate and reliable dead reckoning 摘要精確可靠的航跡推測是實現移動機器人自主導航的一個極為關鍵的環節。 |
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Proprioception is dead reckoning , where the robot measures a signal originating within itself 本體感受是航位推測法，機器人可以測量來自本身的信號。 |
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Research on the dead reckoning method applied to the autonomous navigation of autonomous underwater vehicles 自主導航航位推算算法的分析研究 |