航速精度 的英文怎麼說

中文拼音 [hángsùjīngdù]
航速精度 英文
speed accuracy
  • 航 : Ⅰ名詞（船） boat; shipⅡ動詞（航行） navigate （by water or air）; sail
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 精 : Ⅰ形容詞1 （經過提煉或挑選的） refined; picked; choice 2 （完美;最好） perfect; excellent 3 （細）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 航速 : speed of a ship or plane; navigational speed
  • 精度 : precision; accuracy; degree of accuracy; precision accuracy; trueness
  1. Cruise missile with many good qualities, such as wide uses, high precision, big power, small volume, doughty charge ability, speedy corresponsive ability, high function - cost proportion. because of the good qualities had by ballistic missile and plane, the cruise missile is a lethal weapon that constitute a weighty threat to enemy states in the modem war

    巡航導彈具有用途廣、精度高、威力大、體積小、突防能力強、反應速度快、效費比高等特點，正是由於巡航導彈兼有彈道導彈和飛機的諸多優長，所以它便成了現代戰爭的「殺手鐧」 ，成為對敵方構成重大威脅的重要武器。
  2. It can provide many users at discretion of any place in the world high definition, all - weather, continuous and real - time three - dimension allocation, velocity measurement and time baseline at the same time ? it had been founded in 1993, and lias been paid great attention in fields of military and social - life application

    全球定位系統（ gps ）是新一代的導航定位系統，它能夠為全球任意地點、任意多個用戶同時提供高精度的、全天候的、連續的、實時的三維定位、測速和時間基準。
  3. Considering the precision and cost of sea - route in our country, gps oem board was selected positioning for system in stand - alone model ( not dgps ). there is abundant time to processing and optimizing data for gps receiver because the reactive speed of pharos is on hour level contrast to strict real time

    根據航道定位精度要求與成本承受能力，系統選取低成本的gpsoem板接收機進行單機定位，由於航標燈監控有一定實時性但又非嚴格意義上的實時性，其反應速度可到小時級，這為gps接收機定位提供了寬裕的時間作為數據處理與優化。
  4. Aerostatic bearings have been applied widely on the ultra - precision in the aviation, aerospace and the main axes and the slide of the precision measuring instrument and inertial measuring apparatus because of high rotation accuracy, calm operation, low friction and long life - span etc. they can also be used in fields range from both high and low temperature to both high and low velocity, sometime even to environment full of radioelement

    氣體靜壓軸承回轉精度高、運轉平穩、摩擦小、使用壽命長，可以在極高和極低的溫度、超低到超高的速度下，以及輻射環境中工作，因此在航空、航天領域以及精密測量和慣性測試設備上得到廣泛應用。
  5. 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。
  6. The thesis analyse the error and the feasibility of the system. because the precision of position and direction is related with the precision of the heading and the distance, the thesis discuss the method of obtaining the distance using milemeter, water milemeten engine ' s rotate speed and accelerometer, and the method of obtaining the heading using the combination of the gyrocompass and the digital compass. then the thesis introduce the details of the system realization, include the hardware and the software

    由於航位推算的精度與航程和航向的精度直接相關，因此，論文討論了用里程計、水速表、引擎轉速或加速度計等獲取里程的方法，用航向保持器和數字磁羅盤組合的方法獲取航向角的方法（初始尋北由數字磁羅盤來完成） ，這為採用數據融合方法提高航程和航向精度打下了基礎。
  7. Abstract : compared the accuracy of the digital terain models enlarged form the air photographs kept in stock, pointed out the reliability and frugality of the computerizing optimum choosing route in surveying and designing the expressway, and proved the feasibility of choosing the optimum route by taking two steps and the effect it has on the investment of the expressway construction and the policy - making as well

    文摘:比較了利用現成航攝像片"以小放大"數字化成圖的精度，並指出了其在高速公路勘測設計中計算機優化選線的可靠性及經濟性；同時也論證了兩步選擇最優化線路的可行性及其對高速公路建設投資的影響和決策。
  8. In this paper, the waterway curve plane function is established with move fit method to calculate the depth value of grid points, and in part fields linear method is adopted because of the distributing scrambling of waterway measure points. as a result of the use of two methods, not only the calculating precision is high but also the calculating speed is very fast

    本文選用移動擬合法建立航道曲面函數，插值計算航道測量區網格點的深度值，並且根據航道測量點分佈的不規則性進行了優化，即在測量點稀少的地方運用了線形內插法代替移動擬合法來進行插值計算，兩種插值方法的合理結合，不僅保證了插值的精度，特別是提高了插值的計算速度。
  9. First of all, i summarize the forecast model category and estimate each model in detail, then, i adopt different model to forecast demand, supply, bdi of bulk shipping market. as to demand forecast, i mainly focus on the imitating precision of primitive data, adopt grey forecast model, self - suited filter model separately, and then compose these models as a better one. as to supply forecast, i use econometrics model to describe the complicated relationship of demand, supply, bdi, gnp etc. as to bdi, i try to draw into market integrated factor, describe the relationship of bdi, supply, capacity, speed, rate of oil, navigating capital etc. then finally, i make afterwards evaluation of these models and then analyze future bulk shipping market in detail

    對于需求預測，著重考慮對原始數據的擬合精度，經過模型比較優選論證，分別採用了灰色一階模型，改進的灰色二階、自適應過濾預測的加權組合模型，得到了相當高的擬合精度；對于供給預測，運用計量經濟模型對供給、需求、運價、 gnp 、進出口貿易額等多變量之間復雜的相互關系進行動態模擬，定量的反映出各變量之間的因果關系；對于運價預測，嘗試引入市場綜合因數概念，化繁為簡，通過描述運價與運力供給、載重噸、油耗、航速、燃油價格、航行成本等等諸多因素的關系來進行預測。
  10. The method that increases the attitude accuracy of strapdown inertial attitude and heading reference system ( siahrs ) with the infromation from inertial measurement unit ( imu ) its own is studied. according to the design idea of damping network in platform type, damping kalman filter in siahrs is designed to enhance the attitude accuracy via integrating attitude calculated by common siahrs and that estimated by accelerometers. in order to evaluate the effectiveness of damping attitude, the vehicle ' s movement should be detected in real - time. for this reason, the state chi - square test is employed in the damping kalman filter, and the failure detection vector are tested, which improves the sensitivity and reliability of failure detection. finally, static and dynamic experiments of actual system demonstrate the effectiveness of the proposed method

    本文探討了如何利用慣性測量組合本身的信息來提高捷聯航姿系統的姿態精度.根據平臺式阻尼網路的思想，設計了捷聯式內阻尼卡爾曼濾波器，將慣導系統捷聯解算獲得的姿態與加速度計估計的姿態進行組合，在系統非加速度狀態下，提高了姿態輸出的精度.為了實時監測系統的運動狀態從而判斷內阻尼姿態的有效性，本文成功將狀態2檢驗法應用在內阻尼卡爾曼濾波器中，設計了基於2個狀態傳播器的故障監測器，並通過對故障檢測向量元素的檢驗代替對整個向量的檢驗，提高了故障監測的靈敏度和可靠性.最後，實際系統的動靜態實驗驗證了本文所提出的方法的有效性
  11. The sculling error in the velocity calculation is described and the sculling optimal compensation algorithms are derived in the sculling base motion environment. for testing the sculling correction algorithms " performance, several simulations are practiced and the simulation results show that the sculling compensation term in the velocity integration algorithms can not be neglected for the high accuracy sins in highly dynamic environments. 3

    分析了速度更新計算中劃船誤差的產生機理，詳細推導了劃船補償演算法並在劃船運動條件下推導了劃船補償優化演算法，最後對各階演算法進行了模擬分析，模擬結果表明：對處在高動態環境下的高精度導航系統，劃船補償不可忽略； 3
  12. Abstract : doppler navigation is a kind of independent navigational system, but its real - time speed measuring precision is comparatively low

    文摘:多卜勒導航是一種自主式的導航系統，但其實時測速精度較低。
  13. By means of establishing the mathematical model of gps integrated navigation system, it studies geometrical dilution of precision ( gdop ) and kalman filter. we simulate them by supplying to some examples. simulation result has shown the practicality of the algorithm

    通過建立gps / sins組合系統的數學模型，從幾何精度因子gdop的物理意義和卡爾曼濾波對狀態估計的基本原理出發，並結合實例的模擬計算結果，討論了gps / sins組合導航系統定位和測速精度與gdop的關系。
  14. With the development of the technology of the computer stereovision, the binocular stereo sensor has applied in field of industry detection, object identification, robot automatic guidance, navigation etc. with the appearance of new opto - electronic scanning technique, automatic technique, highspeed data processing technique and more effective algorithm, the binocular stereo ranging method has new headway and application the contents are arranged as following

    隨著計算機視覺技術的不斷發展，立體視覺傳感器得到越來越廣泛的應用，尤其是雙目視覺傳感器的結構簡單、使用方便、速度快、精度高等諸多優點被廣泛應用地于工業檢測、物體識別、機器人自導引、航天、航空及軍事等很多領域。隨著新型光電掃描技術、新型陣列型光電探測器件及更有效的演算法出現，結合迅猛發展的自動控制與高速數據處理技術，立體視差測距方法有了新進展及應用。
  15. Highly precise navigation has been developed rapidly and used widely

    信息時代，高精度的導航定位技術發展迅速，應用范圍愈來愈廣。
  16. The inertial navigation system ( ins ) has a close relationship with the development of navigation, aviation and spaceflight. and the precision of ins is determined by the platform stabilization loop to a certain extent

    航海、航空和航天事業的迅速發展離不開慣性導航系統，而其中的平臺穩定迴路是事關導航精度的重要部分。
  17. Measuring velocity precision is very important. in this thesis, the author researches on the location precision of doppler velocity log and compass, the precision of velocity precision of doppler velocity log

    本論文就是針對這兩方面而做的，主要圍繞著輔助導航系統的定位精度和如何減小多普勒計程儀的測速誤差進行的。
  18. Traditional inertial mechanized - platform uses velocities to damp the system attitude to improve the precision of attitude, when the system acceleration is small. referring to the idea, this paper designeda damp kalman filter in strap - down attitude heading reference system ( ahrs ). the new method makes use of 3 - d accelerometer ' s measurements to estimate the system attitude, which is measured to compensate attitude errors. because the acceleration affected the precision of fiher directly, the fuzzy adaptive system was presented. the fuzzy logic inputs are three accelerations and the output is to control the measurement noise covariance matrix. simulations and experimental results prove that the damp algorithm can damp most of schuler oscillation and foucauh oscillation, so that to assure the filter convergence and efficiently improve the precision of strap - down ahrs

    在系統機動性不強的情況下，傳統的平臺內阻尼演算法將系統本身的速度信息通過阻尼網路加到系統中，達到提高姿態角精度的目的.將這種平臺內阻尼的思想引入到捷聯慣性航姿系統中，在系統加速度較小的情況下，利用加速度計的輸出估計系統姿態角，通過卡爾曼濾波的形式補償系統姿態誤差.由於加速度的大小直接影響濾波器精度，本文設計了模糊自適應卡爾曼濾波演算法，根據三軸加速度計的輸出調整內阻尼量測誤差方差陣，從而避免了濾波器的發散.模擬和實驗驗證，內阻尼演算法可明顯抑制舒勒周期振蕩和傅科周期振蕩，避免了系統姿態漂移，有效提高了捷聯慣性航姿系統的精度
  19. The waterway depth contour can be adjusted artificially in certain field. so the across of depth contours can be avoided effectively. in addition, the precision of depth contours is high and the speed of drawing is fast

    在航道等深線的繪制方面，本文提出了一種新的航道等深線圓滑方法，可以在一定范圍內人為調整等深線的張馳，有效地避免了等深線之間的交叉，並且等深線的繪制精度較高，繪制速度也特別快。
  20. Unmanned underwater vehicle is a useful vehicle, which must be a high accurate and reliable navigation system. doppler velocity log and compass are the assistant navigation system of uuv. researching on their location precision is very necessary

    多普勒和羅經輔助導航系統作為戰時的備用系統，研究其導航定位的精度是不可缺少的，而作為組合導航系統和輔助導航系統組成部分的多普勒計程儀，其測速精度就異常重要。
分享友人
分享到 Line

分享到臉書