累積估計 的英文怎麼說

中文拼音 [lěijīgūjì]
累積估計 英文
accumulative estimation
  • 累 : 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
  • 積 : 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...
  • 估 : 估構詞成分。
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 累積 : accumulate累積服刑 [法] accumulative sentence; 累積股本 cumulative capital stock; 累積股息 cumula...
  • 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
  1. Focused on the application of the generalized cross correlation ( gcc ) time delay estimation ( tde ) in the car microphone array denoising system, gcc tde algorithm is analyzed theoretically and compared with high rank cumulation tde

    摘要針對汽車環境中麥克風陣列語音去噪系統的應用，對廣義相關時延估計方法進行了模擬，並與基於高階累積量的時延估計方法作了比較分析。
  2. Tricepstrum equalization algorithm ( btea ) and super - exponential ( se ) algorithm based on block data estimation is studied, and these algorithms use hos explicitly. their performance, such as estimation variance and bias, is analyzed. a kind of sparse cross cumulant and sparse equalizer is proposed to simplify the se algorithm, and the simulating results show efficient reduction in complication

    ?研究了幾種直接使用高階統計量的演算法，包括基於數據段估計的倒三譜演算法和超指數演算法，分析了演算法的估計方差和偏差等性能；由於超指數演算法計算量較大，不利於實時均衡，利用水聲通道的稀疏性，提出了一種基於稀疏互四階累積量和稀疏權的演算法，有效降低了超指數演算法的計算量。
  3. Then, with the concept of accumulated failure probability, the proposed approach combines the least ? quares method with bayes " theorem, takes advantage of the parameter estimation for single weibull distribution to each derived subgroup data set, and estimates the parameters of each subpopulation. the estimates given by this paper also satisfy the maximum likelihood equation. the mean time to failure and the reliability estimation of the mixed population are given

    然後通過利用累積失效概率等概念，對每個導出的子組數據集聯合運用最小二乘法、貝葉斯定理和對單一威布爾分佈的參數估計法，從而得到每個子總體的滿足極大似然原理的參數估計，給出了該混合總體平均壽命和可靠度的估計。
  4. Multipath time delay estimation based on adaptive parameters approach using fourth - order cumulants

    基於四階累積量的自適應參數型多徑時延估計
  5. 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，不考慮計算的積累誤差，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。
  6. The full - coupled method developed with damage mechanics and the finite element analysis is performed on calculation of fatigue damage accumulation of the critical welded components in the tsing ma bridge

    這種偏於安全的誤差，用於結構的疲勞設計是合適的，但對于在役結構疲勞損傷累積的準確評估卻是不利的。
  7. The cumulative effects of the port and airport development strategy pads on our environment have been far - reaching. for the chinese white dolphin, the impacts are of vital importance

    港口及機場發展策略對環境造成的累積影響極其深遠，中華白海豚也身受其害，估計香港海域尚有120多條中華白海豚。
  8. As end - 2002, the cumulative value of hong kong s realised direct investment in the mainland amounted to us $ 205 billion, accounting for about half of the total inward direct investment there

    截至2002年年底，香港在內地的實際直接投資額，累積估計達2050億美元，約占內地外來直接投資總額的一半。
  9. The cumulative value of hong kong s realised direct investment in the mainland amounted to us $ 205 billion at end - 2002, accounting for about half of the total inward direct investment there

    截至二零零二年年底，香港在內地的實際直接投資額，累積估計達2 ， 050億美元，約占內地外來直接投資總額的一半。
  10. The non - aliasing frequency and non - ambiguous 2 - d angles is obtained by the phase characteristic of eignevalue and integral search method in this dissertation, an algorithm of spatio - temporal 2 - dspectra estimation based on 4th - order cumulants was introduced and used to realize a prototype scout, a calibration algorithm in the wide - band array system is proposed

    本文主要介紹了基於四階累積量的時-空二維譜估計演算法，並以此為基礎來實現時頻空三維偵察機；寬頻段陣列系統各種誤差參數的校正演算法，實驗系統的硬體驅動程序的開發和應用軟體的開發。
  11. Second, since there are lots of redundant items in the fourth - order cumulant matrices, we introduce an algorithm of direction - of - arrival estimation based on the maximal set of nonredundant cumulant ( msnc )

    其次，由於利用四階累積量進行波達方向估計時計算量很大，文中提出了一種基於最大非冗餘累量集合的方向估計方法。
  12. First, the thesis introduces the definitions and the attributes of the higher - order statistics. it is insensitive to additive gaussian noise ( white or colored ), which is what we base on to doa problems. then two doa estimation algorithms based on higher - order statistics are presented, one is that forming cumulant matrix pencil used in esprit to estimate doa problems, the other is spectrum estimation method for doa estimation based on the eigenstructure analysis of the fourth - order cumulant, and comparing the effects of the estimation to conventional covariance - based doa algorithms "

    論文首先對高階統計量的定義和性質作了介紹，特別指出了高階統計量對加性高斯噪聲（白色或有色）不敏感，這是我們利用它進行波達方向估計的理論依據，然後文中提出了兩種基於高階統計量的波達方向估計方法，一種是利用子空間旋轉不變技術構造四階累積量矩陣進行估計的方法，另一種是基於四階累積量陣特徵分解的空間譜估計測向方法，並將它們的估計效果與傳統協方差方法的效果進行比較。
  13. The second part brings forward a new ar - model - based arm detection method based on features of arm and characteristics of velocity and acceleration of the radar echoes. by establishing two - order ar models, this new detection method computes the poles of models representing different targets, thus estimates the acceleration of the targets so as to determine the nature of the targets. furthermore, this method can not only be applied when the arm is being tracked by radar, but also be put into use in radar ’ s seeking and scanning times

    第二部分則是根據反輻射導彈（ arm ）的特點及其雷達回波信號中速度、加速度等特徵，提出了一種新的基於ar模型的arm檢測演算法，該方法通過建立二階ar模型、估計代表不同目標的模型極點，並由此估算目標加速度來判斷目標性質，該方法不僅可以在雷達已跟蹤上arm后採用，而且適用於雷達搜索掃描時使用，模擬結果表明該方法具有解析度高，對雷達脈沖重復頻率（ pulserepetitionfrequency ， prf ）及積累脈沖數要求不高的特點，在低的prf及少的積累脈沖下，利用該方法仍可有效地識別檢測arm 。
  14. The minimum square method was used in regressing analysis for the result of treatment in a supposed distribution function, the " d " examination method was used for weibull distribution and index distribution, and obtained the distribution type in the life of the main shaft bearings, appraised the reliability life, the mean life and the reliability in 500hours of the main shaft bearings with theoretical distribution function

    用殘存比率法、平均故障法和累積故障法對主軸軸承可靠壽命進行了評估，用最小二乘法對現場數據統計處理結果進行了假設分佈的回歸分析，並用d檢驗法對威布爾分佈和指數分佈進行了分佈檢驗，得出主軸軸承壽命分佈類型。利用理論分佈函數，對主軸軸承可靠壽命、平均壽命、 500小時的可靠度進行了評估。
  15. The approach extends the parallel factor ( parafac ) analysis model from the common data - domain and subspace multiple invariance sensor array ( mi - sap ) formulations to the cumulant one, and forms three - way arrays by using the cumulant matrices got from array outputs, and analyzes the uniqueness of low - rank decomposition of the three - way arrays, then jointly estimates the ranges, frequencies and doas from the matrices via low - rank decomposition

    該演算法將通常在數據和子空間域應用的平行因子分析模型擴展至高階累積量域，利用陣元輸出計算的高階累積量矩陣構造三面陣，分析了該三面陣低秩分解的唯一性，並從分解得到的多個矩陣中聯合估計信源距離、頻率及到達角。
  16. Problem in regression parameter estimation by using cumulative - sum method

    累積法進行回歸參數估計時正規方程的病態問題研究
  17. At end - 1998, the cumulative value of hong kong s realised direct investment in guangdong was estimated at us $ 63 billion, accounting for about 77 per cent of the total for the province

    在一九九八年底，香港在廣東省的已實現直接投資累積價值，估計為630億美元，約占廣東省直接外來投資總額77 % 。
  18. At end - 1999, the cumulative value of hong kong s realised direct investment in guangdong was estimated at us $ 64 billion, accounting for almost three - quarters of the total inward direct investment there

    在一九九九年年底，香港在廣東省的實際直接投資累積價值估計為640億美元，占廣東省直接外來投資總額近四分之三。
  19. According to an official data source from the mainland, the cumulative value of hong kong s realised direct investment there amounted to us $ 171 billion at end - 2000, representing nearly half of its total inward direct investment

    根據內地官方數據，二零零零年年底時，香港在內地的實際直接投資累積價值估計達1 ， 710億美元，占內地的直接外來投資總額幾近一半。
  20. According to an official data source from the mainland, the cumulative value of hong kong ' s realised direct investment there amounted to us $ 151 billion at end - september 1999, accounting for about 51 per cent of the total value of its inward direct investment

    根據內地官方數據，一九九九年九月底時，香港在內地的已落實直接投資累積價值估計達1 ， 510億美元，約占其直接外來投資總額51 % 。
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