預先估計 的英文怎麼說

中文拼音 [yùxiāngūjì]
預先估計 英文
advance estimate
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 先 : 名詞1 （時間或次序在前的） earlier; before; first; in advance 2 （祖先; 上代） elder generation; ...
  • 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...
  • 預先 : in advance; beforehand
  • 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
  1. A unified linear fusion model for information fusion estimation is proposed, and it can describe varied information including measuring information, apriority information, forecasting data and estimation information, and it lays a foundation for the theory frame of information fusion estimation

    提出信息融合估計的統一線性融合模型，使測量信息、先驗信息、預測信息以及狀態估計信息等均可用統一融合模型進行描述，為建立信息融合估計的理論框架奠定了基礎。
  2. The continuity condition of displacements at the interface of elements is enforced by penalty function, of which the penalty number has geometrical meaning and can be determined according to the accuracy desired

    單元之間位移場的連續性要求是用罰函數來實現的，其中的罰數具有明確的幾何意義，並可按對解的精度要求預先估計出大小。
  3. One is the evt - based var model ( including gev model and gpd model ), the other is the quantile regression var model. secondly, i evaluate predictive performance of a selection of var models for chinese stock market data. these var models include riskmetrics method, historical simulation, monte carlo method, and the three recent models based on quantile regression and extreme value theory

    本文首先重點探討了極值分佈var模型（包括廣義極值分佈和廣義帕雷托分佈兩個模型）和分位數回歸var模型；然後在此基礎上將六個var模型（包括上述三種模型、歷史模擬法、 riskmetrics方法以及蒙特卡洛法）實證應用於估計上證指數、上證180 、深證成指、深證綜指95 var和99 var ；同時採用區間預測法、損失函數法和符號檢驗法對這些var模型進行了選擇評估。
  4. In, it is discussed how to estimate the profit expection and risk of portfolio by time series, and that the portfolio investment model can be made by the variance of portfolio selection random profit

    在1中，我們首先介紹了如何利用時間序列預測法估計證券的預期收益率和風險，然後以投資組合隨機收益率的方差作為投資的風險度量，建立起投資組合模型。
  5. Finally, a method is put forward to construct the nurbs curves on sphere, which extends the de boor recursive algorithm in r3 to one on the sphere by replacing the geodesic distances for the lines and studies their many geometric properties analogous to those in euclidean spaces, such as the differential property, the local property, the parameter invariance under a projective transformation, and so on

    兩種方法均給出誤差估計，使逼近螺線可達到任何預先給定的精確階。最後，給出球面nurbs曲線生成演算法：用球面上測地線? ?劣大圓弧代替直線段，將歐氏空間r ~ 3中的deboor遞推演算法推廣到球面上構造麯線。
  6. In chapter 5, by number value simulation calculation and experiment of one simple support beam, we will compare the magnitude of the coupling static and dynamic stress at each point on the girder under harmonic excitation, and so find conclusions such as : ( 1 ) there are so much correlations between structure damage and environmental effect and exterior excitation leads dominant effects in structure damage that we should consider static and dynamic stress together. ( 2 ) new intension design rules should be set up, according which the range of structure possible damage position should be estimated in advance

    得到以下結論： （ 1 ）結構的破壞和環境的影響密不可分，外部激勵在結構破壞中發揮了重要的作用，應該將結構所受的靜力和動力一起考慮； （ 2 ）應該建立新的強度設計準則，並以此作為依據，對已知結構的可能損傷位置有預先的范圍估計，從而為損傷識別的準確定位提供理論依據。
  7. ( 1 ) the posterior distribution of the coefficient matrix, the precision matrix and covariance matrix, and their bayesian estimation under the matrix normal - wishart conjugate prior distribution. ( 2 ) the deduction of the predictive distribution, proved to be matrix t distribution. ( 3 ) the designs of bayesian multivariate mean value control charts in terms of the relationship between the multivariate wishart distribution and x2 distribution, the bayesian process capability index and its confidence lower limi

    通過多方程模型系統的統計結構，證明了矩陣正態? wishart先驗分佈是模型參數（ ， ）的共軛先驗分佈，研究了該先驗分佈下模型系數矩陣、精度陣和協方差陣的后驗分佈及其貝葉斯估計，對模型預報密度函數進行了嚴格的數學推導，並將其應用於多元質量控制領域，構造了貝葉斯均值向量聯合控制圖；結合wishart分佈與x ~ 2分佈之間的關系，設計與推斷了貝葉斯多指標過程能力指數及其貝葉斯置信下限。
  8. Listening is so different from speaking, reading and writing that it is impossible for the listener to manipulate the speech speed of the speaker and the language the speaker will use, and to anticipate what speakler will say

    聽不同於說、讀、寫、聽的人不能控制說的速度，也不能控制對方使用的語言，對聽的內容也不能預先估計。
  9. The paper accounts the importance and the necessity of the forecasting research to the stock return volatility of our country, and the use in practice of the forecasting about the stock return volatility, firstly, stock market of our country is divided into large scale stock 、 middle scale stock and small scale stock on the basis of stock size. secondly, according to the basic method of the mathematical statistics ， the behavior of the return volatility about single stock is described by using the model of the rolling variance estimates 。 through the relation of daily returns volatility and weekly returns volatility and the forecasting accuracy of the volatility forecasting model to various stock scale ， we do practical analysis with the forecasting research to return volatility of single stock market

    在個股收益波動性的可預測性研究方面，首先按市值規模大小將我國股票分為大盤股、中盤股和小盤股，然後利用數理統計的基本方法，用滾動樣本方差估計模型描述個股市場收益波動性的行為，並對三種股票日收益率序列及周收益率序列波動之間的關系以及波動預測模型對各種股盤的預測準確性進行了實證分析和結果檢驗。
  10. By making use of two kinds of exponential sums and cohen ' s sieve, we better the lower bound concerning the number of primitive elements and also prove the existence of primitive polynomials with a1, a2 prescribed when n = 5, 6. in the remaining of the paper we study primitive elements in the form of a + a - 1 over finite fields. a counting formula is given as a result, as well as all the finite fields that do not have such elements

    本文對n = 5 ， 6兩種情形，利用有限域上的兩類特徵和估計及cohen篩法[ 5 ] [ 7 ] ，改進了[ 10 ] [ 11 ]中關于方程組本原元解個數的下界，並得到在特徵為奇的有限域上存在可預先指定前兩項系數的n次本原多項式。
  11. The spread of such a fire depends to a great extent on local weather conditions and is therefore difficult to predict.

    這種火災的蔓延在很大程度上取決于當地的氣候條件，因此難以預先估計。
  12. The program of delphi can call the dynamic link library ( dll ) which is programmed beforehand. it can on - line estimate and correct soc in time. it can advance the precision of the estimation of brc and the capability of the energy management system, then satisfies the practical need of electric vehicles

    並且，在對電池的荷電狀態的預測採用了delphi和matlab混合編程的方法，在delphi中調用事先編好的動態連接庫（ dll ） ，能實時在線的對電池的荷電狀態進行估計和校正，提高了電池剩餘容量預測的精度，從而提高能量管理系統的性能，滿足電動汽車的實用需求。
  13. By first reviewing the basic video coding theory and then analyzing kinds of sub - module in video coding system. adaptive overlapped block motion compensation ( aobmc ) is combined with pds technology for temporal prediction. the system composed of hybrid transform coding and motion compensation prediction coding is constructed

    第五章討論了本文運動估計和運動補償方法在視頻編碼中的應用，首先闡述了視頻編碼理論和編碼系統各個子模塊的基本原理，然後在預測性菱形搜索和自適應重疊塊運動補償基礎上運用變換編碼加運動補償的預測編碼方法實現一個混合視頻編碼的方案。
  14. Secondly, we study the preprocessing part of system, a method of bidirectional multi - resolution motion estimation via radon transform is proposed, which can be used to estimate both pixel and subpixel motion vectors with robustly accurately and efficiently. bad frames elimination via the variances of lr frames in the sequence is preformed before the implementation of the super - resolution algorithm

    其次討論了超分辨預處理過程，提出了基於radon變換的雙方向多解析度運動估計方法，演算法可以穩健、精確的在較大范圍內實現亞象素運動估計;以圖像方差為標準，判斷序列圖像中個別幀損壞嚴重為「壞幀」 ，在超分辨重建之前預先去除。
  15. They now try to anticipate where crimes will occur based on gang intelligence

    他們現在正根據黑幫情報預先估計犯罪在什麼地方會發生。
  16. The u. n. intergovernmental panel on climate change warns that the planet is warming faster than previously predicted

    聯合國政府間氣候變化組織警告稱地球的變暖速度比預先估計的要快
  17. Anticipate guest needs and be flexible in responding to them. practice " proactive hospitality ". pick up on non - verbal cues to initiate personalized service and delight all guests

    預先估計客人的需要，靈活配合。貫徹"主動待客"的原則，留心客人的神態，查顏辨色，以提供體貼周到的服務，令客人喜出望外。
  18. By the middle of this year interest rates in the us and a number of other economies will be significantly lower, and the worst of the economic downturn and the corporate earnings news will be discounted by investors

    今年中期，美國和其他一些經濟大國的利率會大幅下降，有關經濟放緩和公司盈利的最壞消息也將會被投資者預先估計到。
  19. The greater predictability comes from applying a pre - determined, fixed fee rate to an estimate of the time - weighted amount of fiscal reserves placed with the exchange fund during the year

    收入較容易預測，是因為新安排下的費用是按預先釐定的固定比率乘以有關年度存放于外匯基金的財政儲備的估計數額經時間加權來計算。
  20. This is the first time since 19992000 that the consolidated account has recorded a surplus, and is mainly due to lower - than - expected expenditure and higher - than - expected revenue this year, capital revenue in particular

    。這是自一九九九二年度以來綜合帳目首次出現盈餘。出現盈餘的主因是本年度的開支較預期少，而收入，特別是非經營收入，則較原先估計為高。
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