積累誤差積差 的英文怎麼說

中文拼音 [lěichāchā]
積累誤差積差 英文
accumulated error
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 累Ⅰ形容詞(疲勞) tired; fatigued; weary Ⅱ動詞1. (使疲勞; 使勞累) tire out; wear out 2. (操勞) work hard; toil
  • : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 積累 : 1. (逐漸聚集) accumulation; accumulate 2. [核子] build-up; 積累基金 accumulation fund
  • 誤差 : error
  1. In a traverse there is no accumulation of scale error.

    導線中沒有尺度
  2. Such trilateration is liable to rapid accumulation of azimuth error.

    這樣的三邊測量鎖的方位容易迅速
  3. Meanwhile, we put forward symmetric correction to resolve inherent error cumulation of point - by - point imaging modality

    同時進一步提出對稱校正的方法以解決逐點成像法固有的
  4. A case study for nanning bridge, the first long span unsymmetrical extroversion arch bridge with curve beam in the world is given

    利用幾何方法推導了空間鋼箱拱肋節段拼裝在拱肋最大懸臂端的規律。
  5. Virtual axis machine tool ( vamt ) is characterized by the simple structure, high rigidity, large load handling capacity, and non - accumulation of position error. as the supplement of series machine tool ( smt ), vamt has become the focus of research in machine tool, and plentiful research achievements have been acquired in mechanics, kinematics, dynamics, but few in kinematic control

    虛擬軸機床具有結構簡單、剛度大、承載能力強、位置等特點,在應用上與串聯機床成互補關系,現已成為機床領域的研究熱點,並在機構學、運動學和動力學研究上取得了大量成果,而對運動控制的研究非常少。
  6. We say approximately because a year has 365. 2422 solar days. to compensate the extra 0. 2422 days, some years will have 365 days while some years, called leap years

    為了避免長久這0 . 2422日而出現,我們有4年一閏的解決辦法,普通年是365日,但
  7. 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。
  8. The improved voltage model of rotor flux is proposed in the paper. it eliminates the influence to actual system function in the voltage model of rotor flux for the proper drift problem and cumulative error of pure integral calculus tache

    提出了改進的電壓型轉子磁鏈估算模型,消除了電壓型轉子磁鏈估算模型中純分環節所固有的漂移問題和對實際系統性能的影響。
  9. It is especially attractive for the downlinks and suppressing intercell mai. when multiuser detector is adapted in blind mode, it usually adopts eignvalue decomposition or singularvalue decomposition of received sample correlation matrix and tracking alrithgms, which result in high computational complexity. at the same time, approximation computation in tracking alrithgms also result in slow convergence

    為實現盲自適應檢測,通常採用對接收信號樣本矩陣進行特徵值分解( evd )或奇異值分解( svd )后進行跟蹤,由此帶來的子空間秩跟蹤使得實現復雜度很高;另一方面,在跟蹤演算法中考慮一些實際情況而作出近似處理,從而引起和正交性,導致每次跟蹤開始階段跟蹤速度變慢。
  10. In order to solve the problems of flux estimation using the voltage model, such as the initial value and the drift of pure integrator, a flux - observer - based method is applied

    利用磁通觀測器,可避免用電壓模型推算轉子磁通時遇到的分運算問題(初始值確定和引起的分漂移) 。
  11. This paper presents the following innovation : 1. this paper proposes the gray - index moving combined forecast model, which combines the single - index moving method with gray disaster prediction theory. the joint model solves the problem of deviation and lag in single - index moving forecasting method in some degree, and prediction accuracy and reliability is improved

    將灰色災變預測與一次指數平滑法相互結合、相互補充,在一定程度上控制了一次指數平滑法預測時的,從而修正了用一次指數平滑法預測所帶來的偏和滯后,提高了預測結果的可靠性和精度。
  12. In the fields of fluid dynamics, entropy inequality reflects the second law of thermodynamics. i. e. entropy must increase across shock waves ( a kind of discontinuity ). all kind of approximate schemes should reflect the fact that it must satisfies some kind of discrete entropy inequality ). from the view of practical computation, stability and theo - retical error of any kind discrete schemes all dependend of the smoothness of the solution of ( 0. 2. 1 ). generally, the approximate solution have good stability and theoretial error in the area where the solutions have more regularity and poor stability and theoretial error in other area

    從流體力學來看,它事實上是熱力學第二定理的反映,即熵越過激波(一種間斷)要增加。各種估計格式構造的估計解應反映這一事實,即滿足熵不等式。從實際計算來看,總是通過離散化求解,不考慮計算的,它的穩定性與計算精度都依賴與真解的光滑性,一般說,在解較光滑的區域有較好的穩定性與計算精度,而在較粗糙的區域則相反。
  13. According to square - root kalman algorithm having the phenomenon of the round - off error accumulated, periodical training and the initialization of the algorithm was applied

    針對于平方根kalman演算法的舍入現象,提出採用周期性訓練,重置演算法初值的方法改善。
  14. In aim solver, the convergence rate depends on spectral properties of the aim matrix, and the near - zone threshold distance has a dramatic impact on the memory and cpu time. a poorly conditioned matrix occurs through aim when a smaller near - zone

    另外,自適應分方法計算中,在保證計算精度的條件下,較小的耦合距離將極大減小內存需求和計算的復雜度,但同時也導致矩陣的性態變壞。
  15. The main contributions of this dissertation are : a novel detection strategy in blind image watermarking algorithm generally, the traditional detection strategy corresponding to embedment model i = i + aw has its limitation. first, we treat the watermark information as noise for an image and expand the noise before detection. then, we find the corresponding data in the frequency - domain and adjust them according to our relative minmum principle

    為了解決這一問題,我們將嵌入水印圖像中的水印信息看作一種噪聲,在提取水印前,利用降噪方法得到原始圖像的一個逼近,通過和待檢測圖像的比較,得到含有水印信息的噪聲,再將這種噪聲信息進行放大,最後利用局部最大的編碼原則將水印恢復出來;將改進的水印提取模型應用於基於fourier - mellin變換的盲水印演算法,解決了由於插值和多變換造成而造成很難提取水印這一問題。
  16. Accumulative pitch error

    周節
  17. With respect to the registration of multi - view range images, a relaxation strategy is introduced to spread evenly the accumulated registration errors among all views, with the assumption that the pairwise registrations are nearly good. 3

    基於虛擬點對約束的概念,我們提出了一種擴散演算法,其基本思想是在盡量保證局部配準結果的前提下,使在各距離像間均勻分佈。
  18. Stepper motor is a kind of electromechanical component that is driven in step angle or line displacement by electric pulse signal. because of having the advantage of easy open - loop control and no accumulating error, stepper motor is being applied widely in many fields

    步進電機是一種將電脈沖信號轉換成相應的角位移或線位移的機電元件,具有易於開環控制、無等優點,在眾多領域獲得了廣泛的應用。
  19. To control error accumulation during digitizing large model, such as 1 : 1 clay car model, we presents a measuring method combining off - shelf digital camera and atos, and arithmetic methods measuring the coordinates by digital camera

    摘要針對逆向工程實施過程中,單純使用結構光學掃描儀對大型工件進行掃描產生較大的缺陷,而且效率比較低,故使用數碼相機與結構光學掃描儀相結合的測量,並闡述了數碼相機測量坐標點的實現演算法。
  20. In the actuation, the feeling measure and the balance compensation, the gyroscope used the electric capacity with the high sensitivity, the low energy consumption, and combined with the high quality factor characteristic of the resonance main body, which enable its system to have the quite outstanding performance : the vibration gyroscopes were generally used to measure the rotation rate, but because of axial symmetry factor, the axial symmetry vibrating - shell gyroscope can be used to measure not only the rotation rate but also the rotation angle, moreover do not bring the accumulation error as a result of the integral

    該陀螺在驅動、感測與平衡補償上採用具有高靈敏度、低能量消耗的電容,並結合諧振體高品質的特性,有相當優異的表現:振動式陀螺儀一般都是用來感測轉速,而軸對稱殼式陀螺儀由於軸對稱的因素,不僅可以用來感測轉速,而且可以感測物體的轉角,並且避免了由於分而帶來的
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