navigation error 中文意思是什麼

navigation error 解釋
導航設施
  • navigation : n. 1. 航行；導航；領航；航海[航空]術。2. 〈集合詞〉船。3. 〈古語〉航路；海上交通。adj. -al
  • error : n. 1. 錯誤；失錯。2. 謬見，誤想；誤信；誤解。3. 罪過。4. 【數學】誤差；【法律】誤審，違法；（棒球中的）錯打。adj. -less 無錯誤的，正確的。
  1. To oversee all the details yourself in person ; to be at once pilot and captain, and owner and underwriter ; to buy and sell and keep the accounts ; to read every letter received, and write or read every letter sent ; to superintend the discharge of imports night and day ; to be upon many parts of the coast almost at the same time ? often the richest freight will be discharged upon a jersey shore ; ? to be your own telegraph, unweariedly sweeping the horizon, speaking all passing vessels bound coastwise ; to keep up a steady despatch of commodities, for the supply of such a distant and exorbitant market ; to keep yourself informed of the state of the markets, prospects of war and peace everywhere, and anticipate the tendencies of trade and civilization ? taking advantage of the results of all exploring expeditions, using new passages and all improvements in navigation ; ? charts to be studied, the position of reefs and new lights and buoys to be ascertained, and ever, and ever, the logarithmic tables to be corrected, for by the error of some calculator the vessel often splits upon a rock that should have reached a friendly pier ? there is the untold fate of la prouse ; ? universal science to be kept pace with, studying the lives of all great discoverers and navigators, great adventurers and merchants, from hanno and the phoenicians down to our day ; in fine, account of stock to be taken from time to time, to know how you stand

    親自照顧一切大小事務；兼任領航員與船長，業主與保險商；買進賣出又記賬；收到的信件每封都讀過，發出的信件每封都親自撰寫或審閱；日夜監督進口貨的卸落；幾乎在海岸上的許多地方，你都同時出現了似的； ? ?那裝貨最多的船總是在澤西岸上卸落的； ? ?自己還兼電報員，不知疲倦地發通訊到遠方去，和所有馳向海岸的船隻聯絡；穩當地售出貨物，供給遠方的一個無饜足的市場，既要熟悉行情，你還要明了各處的戰爭與和平的情況，預測貿易和文明的趨向； ? ?利用所有探險的成果，走最新的航道，利用一切航海技術上的進步； ? ?再要研究海圖，確定珊瑚礁和新的燈塔、浮標的位置，而航海圖表是永遠地改而又改，因為著計算上有了一點錯誤，船隻會沖撞在一塊巖石上而至於粉碎的，不然它早該到達了一個友好的碼頭了? ? ，此外，還有拉?貝魯斯的未知的命運； ? ?還得步步跟上字宙科學，要研究一切偉大的發現者、航海家、探險家和商人，從迦探險家飯能和腓尼基人直到現在所有這些人的一生，最後，時刻要記錄棧房中的貨物，你才知道自己處于什麼位置上。
  2. In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )

    主要研究內容包括：一、總結分析了當前水下導航的常用方法和不足之處，指出基於航位推算的導航方法，存在著最大的問題就是導航誤差的積累問題，如果沒有修正系統，這種方法很難滿足使用要求；其次指出基於聲學的導航方法，造價昂貴，導航范圍有限，難以滿足自主水下航行器大范圍導航的需求；二、總結了當前水下地形輔助導航的主要技術路線，一是基於地形高程的匹配方法，這是當前研究的重點；二是基於地形圖像的匹配方法，由於缺乏良好的圖像傳感器，和可用的海底圖像地圖，目前這種方法還有待研究發展；三、將兩種地形高程匹配的常用方法應用到自主水下航行器上：以相關演算法為前提的地形輪廓匹配（ tercom ）方法和以卡爾曼濾波為基礎的桑迪亞慣性地形輔助導航（ sitan ）方法，前者演算法簡單可靠，但是導航精度不高，後者雖然精度比較高，但存在著演算法較為復雜、有可能發散和出現奇異值等問題。
  3. The first algorithm is low precise but simple and credible, the second is high precise but complex and incredible. 4 ) developed four kinds of methods aimed to improve precision and credibility of navigation system. the first is parallel sandia inertia terrain - aided navigation ( psitan ) ; the second is tercom + sitan, it can restrain two important disadvantages of sitan ; the third is particle filter - based terrain - aided navigation ( pftan ), the particle filter can reduce the error of navigation ; the last is tercom + pftan, where tercom is looked as monitor to ensure the credibility of navigation system

    採用并行sitan方法來提高導航精度，並克服奇異值問題；提出了tercom + sitan方法，綜合利用兩者的優點，在保持sitan導航精度的前提下，有效地克服了sitan的兩個缺點；提出了一種基於連續蒙特卡洛濾波（常被稱為particlefilter ）的地形匹配演算法（ pftan ） ，有效地克服了利用sitan時由於地形隨機線性化帶來的誤差，使導航精度有較大的提高；提出了tercom作為監視器的地形輔助導航思想，並將其應用到連續蒙特卡洛方法上，較大地增加了系統的可靠性和精度。
  4. The research on autonomous navigation and orbital keeping technology of geosynchronous satellites : selecting position vector in the inertia space and longitude, latitude, radial errors in the hill equation as state variables, the precision of orbit determination caused by track dynamic model error, sampling period, and sensor measurement and install error is analyzed

    同步衛星自主導航與軌道保持技術研究：分別選取慣性空間位置矢量和採用hill方程表示的經、緯、向徑誤差作為狀態量，分析軌道動力學模型誤差、采樣周期以及敏感器測量、安裝等誤差對定軌精度的影響。
  5. Error analysis and simulation of ring laser gyro strapdown inertial navigation system

    激光陀螺捷聯慣性導航系統誤差分析及模擬計算
  6. As the cumulate error, inertial navigation system ca n ' t provide perfect position and navigation for the autonomous underwater vehicles ( auv ) in unstructured, complex and instable ocean in a long time. the application of terrain - aided navigation techniques to the updating of an inertia navigation system has been investigated

    慣性導航系統是實現水下導航的一種重要方法，但慣性導航存在累計誤差，為了修正慣性導航的累積誤差，提高導航精度，本文將飛機、導彈等所使用的地形輔助導航系統，應用到水下航行器上，成功地滿足了自主水下航行器的導航需求。
  7. So the drift error of gyro is always the main source of error in the control and navigation system, the study of technology of measurement and compensation plays more and more important part in this field

    由於陀螺的漂移誤差是整個控制和導航系統的重要誤差源，所以，對陀螺儀漂移的測試及補償技術的研究具有越來越重要的意義。
  8. Taking intercontinental ballistic missiles as objects under research, and based on the analysis of the influence of accelerometer measurement error and gyroscope excursion error on the apparent acceleration, the error transfer model of the inertial system in a midcourse guidance segment for velocity and location is given, and the pure inertial navigation guidance error is computed with the given imu error coefficient deviations

    摘要針對洲際彈道導彈，在分析加速度計測量誤差和陀螺漂移誤差對導彈視加速度影響的基礎上，給出了中制導段慣性系統對速度和位置的誤差傳遞模型，對給定的慣組誤差系數偏差進行了純慣性導航制導誤差計算。
  9. The program are compiled in matlab language. the program include inertial device ideal simulation block > inertial device error simulator block, strapdown inertial navigation calculator block, doppler calculator block, kalman block and so on. the different block can be used for inertial navigation simulation, doppler simulation and so on

    用matlab語言編寫了水下航行器導航系統的模擬程序，這個程序包括：慣性器件輸出理想值模擬模塊、慣性器件誤差模擬模塊、捷聯慣導計算模塊、多普勒導航計算模塊、卡爾曼濾波模塊，可根據不同的需要進行純慣導狀態模擬、多普勒導航模擬、組合導航模擬。
  10. In order to evaluate aiming error of missile on the warship or on the submarine, including the error of warship position, the error of reference azimuth and the error of transfer measurement given by the navigation system, and try to divided them from the general error, it is highly important that we estimate and evaluate missile system of mobile bedding launching

    為了評估從艦船潛艇上發射導彈的瞄準誤差，包括艦船導航系統給定的船位誤差、基準方位誤差及其傳遞測量誤差，並試圖把它們從總的瞄準誤差中分離出來，這對于動基座發射導彈武器的瞄準精度的評價極為重要。
  11. In consideration of an additional premium, it is hereby agreed that this insurance covers, subject always to the exclusions contained in this insurance, loss of or damage to the subject - matter insured, whilst on the ship, caused by error, neglect or default of the carrier or his servants in the navigation or management of the ship, for which they are relieved from liability under the contract of carriage

    以支付附加保險費為對價，茲同意本保險承保保險標的在船期間，由於承運人或其雇員在駕駛或管理船舶方面的錯誤、過失或贖職行為所造成，根據運輸合同被免除責任的滅失或損害，但仍須受本保險所含的除外責任的制約。
  12. Abstract : the attitude error performance of electrostatic gyro should be understood and the relevant error equations must be set up in order to ensure the navigation precision of esgm. the relation between the navigation errors and the attitude errors of gyro was derived by use of spherical triangle. the simulation results show that the temporal performances of the longitudinal and distance errors which come from the initial alignment errors are periodically variational. they also show that the longitudinal and distance errors resulted from gyro drifts are not convergent in time. thus, the effects of initial alignment errors and gyro drifts can not be neglected and must be estimated and compensated

    文摘:為了保證靜電監控器的導航定位精度，需要了解靜電陀螺的姿態誤差特性，建立相應的誤差方程.本文採用球面三角形原理推導了導航定位誤差與陀螺姿態誤差的關系式.模擬結果表明，由初始定向誤差引起的經度誤差和距離誤差的時間特性是周期變化的；由陀螺漂移引起的經度誤差和距離誤差是隨時間發散的.因此，初始定向誤差和陀螺漂移的影響不能忽略，必須對其進行估計和補償
  13. Firstly the influence that the abolishment of the defense the exception of error in navigation of vessel brings to shipping economy, collision damage and general average

    首先分析了廢除航海過失免責對航運經濟、碰撞索賠以及共同海損等可能帶來的影響。
  14. Adopt project practical quaternion algorithm of strapdown navigation system, analyze systematic error source, emulation prove the output change of sins in there is device error of inertia and the initial condition of collimation error

    採用了工程上實用的四元數捷聯導航系統的演算法，分析了系統誤差源，模擬驗證了捷聯慣導系統在有慣性器件誤差及初始對準誤差情況下的輸出變化。
  15. The paper presents the form of sins / odometer ( od ) / global position system ( gps ) integrated navigation system based on sins. state and observation equations are established for kalman filter. the simulation result shows that the integrated navigation system can reduce navigation error when using the feedback calibration method

    對捷聯慣導系統、里程儀（ od ）和全球定位系統（ gps ）誤差方程進行了分析，建立了以捷聯慣導系統為主的用於卡爾曼濾波的系統方程和觀測方程，給出了車載組合導航系統的分散式濾波組合方案。
  16. The constitutions and principles of position of gps > glonass and beidou navigation system are described all around in this article, and the following technologies are studied and realized : communication between com ports with oop technology, compound navigation with gps and glonass. calculate velocity, pseudorange difference, smoothing pseudorange with the carrier - phase and models to correct error are also done ; the transforms between wgs - 84 and pz - 90, as well as wgs - 84 and beijing54 coordinate system ; the technologies to display and manage bitmap, vector map based on mapx also ; conversion of data formats between gjb and mif data format of maplnfo corp. arithmetic of creation dem data based on contour line data from 1 -. 25000 map data with gjb format. texture the surface of terrains with corrected aviation image

    本文全面介紹了gps 、 glonass 、北斗導航系統的組成、定位原理，研究並實現了面向對象的串口通信技術、 gps + glonass組合導航、測速及偽距差分、相位平滑偽距差分以及有關誤差的模型改正、 wgs ? 84和pz ? 90 、 wgs ? 84和北京54坐標系的坐標轉換、柵格地圖的顯示和管理、基於mapx的矢量地圖的顯示和管理、 1 : 25萬軍標數據和mapinfo的mif數據格式雙向轉換、基於軍標數據的dem生成演算法、基於opengl的三維地形構造、航空圖像紋理地形表面、三維坐標量算、虛擬現實模擬導航、三維地形的層次細化演算法以及數字圖像處理中的圖像增強、幾何變換、影像匹配等技術。
  17. Due to the error of the inertial navigation was augmented following the time postpone. it cannot be used for long period navigation. so it cannot be used as a navigation system singleness, it must be auxiliared by the other navigation system

    慣導系統由於其誤差具有隨時間積累效應，對于短時間內具有較高的導航精度，而不適于長時間工作的特點，因此為了彌補其不足早期各類組合導航演算法也就相繼產生。
  18. In deep space exploration missions, autonomous navigation technology is very important, and in this paper, we do some research into the autonomous navigation schemes of encountering small celestial bodies. it is mainly described as the follows : firstly, by analyzing the orbit characteristics and task requirements in encounter, the simplified orbit dynamic model for the deep space probe is built up, and whether the corresponding model error that meets the demanding of autonomous navigation task is validated

    在深空探測任務中，自主導航技術是十分重要的，本文對交會小行星的自主導航方法進行研究，主要內容包括:首先，分析交會小行星的軌道特性及任務需求，建立簡化的深空探測器軌道動力學模型，並驗證了簡化模型的誤差能否滿足自主導航任務的需求。
  19. After the instrument error of sins is analyzed, it can be concluded that the quadratic model is more sensible to navigation error, and with instrument error taken into account, the linear model is better than the quadratic model

    通過捷聯慣導儀器誤差的分析，發現二次模型對捷聯慣導導航參數誤差更為敏感，考慮慣導儀器誤差后，線性模型的修正效果要優於二次模型。
  20. And in the early time many integrated navigation error model was come into being. in all of them the model derivated by britting and widnall was the representative

    最具代表性的是利用britting和widnall推導出的誤差模型，該模型是基於地理系，考慮到系統誤差和傳感器誤差。
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