長期誤差 的英文怎麼說

中文拼音 [zhǎngchā]
長期誤差 英文
secular error
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 期名詞[書面語]1. (一周年) a full year; anniversary 2. (一整月) a full month
  • : 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...
  • 長期 : over a long period of time; long-term; long range; secular
  • 誤差 : error
  1. Minimize drift of the instrument during prolonged operation.

    操作中,使儀表的減至最小。
  2. The analysis of precision about mould - cut main mechanism with clearances is advanced. on the basis of analysis of slider displacement error influenced by the crank length tolerance, the coupler length tolerance and clearances in revolute joints for mould - cut main mechanism, some reasonable suggestions about tolerance distribution of bars length and fitting precision of joints are put forward

    考慮運動副間隙對主切機構進行了精度分析,通過分析主切機構中各桿和運動副間隙對滑塊位移的影響,對商標模切機設計初分配和運動副間隙配合精度提出了合理的建議。
  3. It reduce errors in both code plate and axial system, as the multiple read head ( four thin read head and one thick read head ) same working ; the design of the circuit is different from the old

    4 )用多頭讀數即四個精讀數頭和一個粗讀數頭同時工作,減少了碼盤及軸系
  4. 3. vecm of result indicate shanghai a index, shenzhen b, hengsheng index, and jiaqua - an index can recur equilibrium when they deparure equilibrium by coefficient of vecm moreover hengsheng index is very quike. by granger test indicate between a and b inde - x have cause and effect contemporary between hengsheng index and jiaquan index hav - e cause and effect, this result is same to vecm

    3 、修正模型結果指出上海a股,深圳b股、恆生指數和加權指數在短偏離均衡時,仍可經由修正項的調整而回到均衡關系,並且恆生指數的調整速度是最快的正向調整。
  5. Compared with the behavior of macromolecules in real solution system, the adsorption information in the monte carlo simulation system, such as adsorption isotherm, surface coverage, and bound fraction, was studied for discussing its relation to simulation parameters. five - selection simple cubic lattice, self - avoiding walk, and nearest interaction model were used to construct the homopolymer adsorption model on the solid - liquid interface. periodic boundary conditions were used to reduce the fixed error from limited cubic lattice in size

    模擬中採用五選擇簡單立方格子上的自迴避行走和最近鄰相互作用模型;使用周性邊界條件以減小有限大格子空間帶來的系統;用鏈節間相互作用能、界面吸附能、體相濃度和鏈約束體系中的高分子的吸附行為;用末端轉動、 l -翻轉、曲柄運動、蛇形運動和r - r切除-生法對模擬體系進行擾動;用系統達到吸附平衡后的樣本來研究模擬體系中的高分子鏈在固液界面上的吸附。
  6. In the paper, with system energy balance method and heat conductive equations , on tne basis of short time heat transfer modeling established the long time modeling, considering heat interference in thermal well group. this paper used the finit element method for element division and computer analysis, and provided the operation temperature figure. acquired computation values agreed well with experimental results, the most difference between them was 5. 13 %

    本文採用系統能量平衡結合熱傳導方程,在淺埋套管式換熱器短傳熱模型基礎上建立了傳熱模型,並考慮了管群熱干擾對模型的影響。並運用有限單元法軟體編程進行離散和計算機分析,得出模擬溫度場,其模擬值與實測的均值基本相符,兩者最大小於5 . 13 % ,表明該模型具有一定的合理性和實用意義。
  7. In section 2. 2, by a priori estimates and fourier spectral method, we prove the existence and uniqueness of the global smooth solution for the periodic initial value problem and obtain the large time error estimate between spectral approximate solution and the exact solution. in sections 2. 3 and 2. 4, by a priori estimates and galerkin method, we prove the existence of the global smooth solution and global attrac - tors for the initial - boundary value problem. chapter 3, consider the initial - boundary value problem of the multidimen - sional non - homogeneous gbbm equations

    第二章,考慮一類一維非齊次bbm方程,在第二節中利用fourier譜方法和先驗估計證明了具有周初值問題的整體光滑解的存在性和唯一性,給出了fourier譜近似解和精確解的時間估計;在第三、四節中討論了初邊值問題,利用與時間t無關的一致先驗估計,證明了整體光滑解和整體吸引子的存在性。
  8. The siphon type can not realized automatic measurement and data handling and the tipping bucket type dynamic accuracy is not high. at the same time, the bigger inaccuracy exists in these two kinds of measurement methods. along with the science and technology and the requirement of society development, the automation to the meteorological factor gathers and meteorological data saves and data handling have been put forward to the higher requirement

    氣象部門使用的雨量計為虹吸式或翻斗式的,虹吸式不能實現自動測量與數據處理,翻斗式動態精度不高,同時,這兩種方法測量降雨量存在較大的,隨著科技和社會發展的需求,對氣象要素的自動採集和氣象數據的自動存儲、數據處理也提出了更高的要求。
  9. During the traditional measurements of the reactive power, the asymmetry of the voltage and current arises the asymmetry error

    傳統的三相無功功率測量中的由電壓、電流不對稱引起的「不對稱」 ,以來一直是個難以解決的問題。
  10. Based on the historical space forecast data and corresponding actual data provided by a global semiconductor assembly and test company, the uncertainty of space planning was defined. during this analysis process, linear regression, grey prediction, neural network back propagation algorithm and confidence interval were applied, respectively, to define the uncertainty. compared with those methods, the confidence interval of historical space forecast error, calculated by mathematical statistics, was the reasonable method to define the space forecasting uncertainty

    本文從半導體工廠生產能力計劃的頂層即廠房生產面積的計劃展開,對一跨國半導體封裝測試公司提供的廠房生產面積的歷史預測數據以及對應的真實數據進行分析,採用線性回歸,灰預測,神經網路bp演算法,基於數理統計的置信區間的求解等方法分別定義廠房生產面積預測的不確定度,經多種方法的比較得出,基於數理統計方法求解出的生產面積歷史預測置信區間能直觀清楚地標定不確定度。
  11. From impulse - response curves that were derived from vec models based on cointegration vectors finally, we can conclude as follows : all monetary policy tool variables have rather small impulse to macro - economy variables in the short run, and their impulse would boost up at different degree in the long run

    從最終作出的基於協整向量的修正模型的沖擊響應曲線,可看到:所有貨幣政策工具變量對宏觀經濟變量的沖擊在短內均較微弱,從來看,沖擊均有不同程度的增強。
  12. Different sampling periods of sensors and the recursive steps of initial states are investigated. the navigation precision with different condition such as different precision of sensors, different length of observation time are compared. then, three orbit types, consisting of low - altitude orbit, middle - altitude orbit and high - altitude orbit, are simulated respectively

    在pc機上首先分析敏感器采樣周和濾波迭代次數對自主導航精度的影響,然後比較敏感器精度不同,觀測時間短不同,軌道類型不同情況下所產生的導航
  13. For example, w. rostow considered that the growth of economy was aroused by leading industry, and industrial structure took a very important role in the economy growth ; h. chenery considered that industrial structure and economy growth had a bidirectional causal relation ; however, the most influencing theory was brought forward by s ? kuznets, who considered that it was economic growth which caused the variance of industrial structure advancement, etc. according to cointegration theory and granger causality theory, this paper, based on the summary of multitudinous scholars ’ research literature, carries a positive analysis to the relationship between industrial structure and economic growth, using the time serial data from 1978 to 2003 by

    分析結果驗證了配第?克拉克定律的正確性即經濟的增是就業人口向第三產業轉移的原因,但卻否認了庫茲涅茨的收入決定論,即至少在我國,產業結構的演進是經濟增的原因而不是相反。同時,本文還原創性地論證了,我國的經濟增與產業結構之間存在惟一的動態均衡關系即協整關系,產業結構與經濟增之間短波動與均衡關系存在於根據協整方程建立的向量修正模型之中。
  14. As the traditional navigation system ca n ' t satisfy the requirements of the autonomous underwater vehicles ( auv ) navigation and position. we study a depthometer - doppler - aided strapdown inertial navigation system ( ddsins ) in combination of the developments of periodic navigation technique and some practical problem posed by the mathematical and variation of output data of doppler, furthermore, the digital simulation and semiphysica test are made to verify the validity of the algorithm, the main research work are as follows : design of the strapdown inertial navigation system of auv

    由於傳統的導航系統很難滿足遠程水下航行器精確導航、定位的要求,本文在充分考慮使用特殊性的情況下,結合國內、外導航技術發展的實際狀況和發展方向,研究了水下航行器組合導航系統的,重點解決了因多普勒輸出數據周和周時變而給導航計算和濾波器設計帶來的問題,並進行了模擬和實物測試,模擬和實物測試結果表明本文所研究的設計方案合理,可以達到某型水下航行器導航、定位需要的精度。
  15. For a long time, the analysis of the velocity error almost were rarely quantitative, and only valid to the simple geology condition

    以來,人們對速度的分析大多是定性的,而且針對的是較簡單的地質構造模型。
  16. 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,而不適于時間工作的特點,因此為了彌補其不足早各類組合導航演算法也就相繼產生。
  17. The meaning of cqc ( t ) algorithm is the difference in time domain between the peak value location in time axis of input earthquake and model response of structure, which is called delay time. through the delay time calculating of a series of oscillators with different damp ratio and natural vibration frequency, it is found that it will bring biggish error if the cqc algorithm applied on the structure which has long period, and the time dependent cqc ( t ) algorithm could solve the problem easily

    Cqc ( t )方法的意義在於輸入地震動峰值與結構模態響應峰值在時間軸上的時間,我們稱之為延遲時間,通過計算具有不同周和阻尼比結構的延遲時間,發現對于自振周比較的結構, cqc方法會帶來比較大的,而基於時程的cqc ( t )方法能夠解決這個問題。
  18. For a long time, we have been keeping on the study on the uniqueness of the solution of equation, the conditions of convergence and error estimates for various iterative methods

    以來人們從未放棄過對方程解的唯一性和各種迭代法的收斂性的條件及估計的研究。
  19. For example, the larval body length and morphological characteristics of most necrophagous flies is difficult to be discerned as larvae are at the post - feeding stage, easily resulting in the determination of pmi

    但這些指標有時難以真實反映昆蟲所處的生發育階段,如蠅類離食幼蟲的體和形態變化均不明顯,易造成推斷
  20. With making a co - integration analysis on the data of time series, we can find that there are a long - term dynamic equilibrium relation and short - term error correction mechanism among economic development, system transforming and transaction cost in 1978 - 2003 in china

    摘要使用協整分析方法對轉型時中國經驗數據進行定量分析,可以發現, 1978 - 2003年我國的經濟發展、體制轉型與交易費用之間存在動態均衡關系和短修正機制。
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