理論平均值 的英文怎麼說

中文拼音 [lúnpíngjūnzhí]
理論平均值 英文
theoretical mean
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • 理論 : theory
  1. Data preprocessing refers to the process of polygonization, smoothing, decimation and registration. the flow and main steps of data preprocessing are described here. several specific cases, for example the sampling method based on chordal deviation, the feature based registration, are discussed

    本文研究和討了點雲預處的基本流程和主要步驟,研究點雲光順的高斯濾波,中濾波和濾波方法、點雲精簡的弦高差演算法和多視點雲特徵對齊的方法。
  2. By end of 1998, the nominal value of derivatives transactions had happened in the official exchange within 5 years increased from 7. 7 trillion u. s. dollars to 13. 5 trillion u. s. dollars, meanwhile, the nominal value of derivative securities ( otc ) increased from 8. 7 trillion u. s. dollars to 51 trillion u. s. dollars, then, the nominal value of unliquidated derivatives was total about 64 trillion u. s. dollars, and the academic field also emerged frontier science borrowing for the financial science, physics financial science, financial engineering, etc. 1973, black and scholes put forward the differential equation that any derivative securities prices based on any non - dividend paying stock must be satisfied, that is black - scholes differential equation

    Jamshidian . f在其1989年的文章中推導出零息債券的期權價格。奧托同樣在其1998年的文中用統計物學中的路徑積分方法推導出了基於零息債券為基礎的期權定價模型。本文在這些學者研究成果的基礎上,進行了更深層次的研究,在vasicek隨機模型的基礎上,打破上述學者及著名的black - scholes期權定價模型只能求解證券及其衍生產品價格的限制,對零息債券和基於零息債券的期權的價格求解,並推導證券瞬時價格的分佈函數。
  3. When analyzing the principle and performance of the lsdll, circular flowgraph is used. the expression for " penalty " time and mean and variance of the acquisition time is derived from the circular flowgraph of large step acquisition method

    方面,本文利用圓形狀態圖對大步進快速捕獲法的工作原進行研究和分析,導出由相關處時間、大步進時間、虛警概率、檢測概率和虛警「代價」時間表示的捕獲時間及其方差的表達式。
  4. A boson josephson junction ( bjj ) formed in a weakly coupled double - bec has been discussed intensively. based on mean - field theory ( mft ), which gives rise to the gross - pitaevskii equation, interesting phenomena such as macroscopic quantum self - trapping ( mqst ), and n - phase state, where the time - averaged quantum phase difference across the junction equals n have been predicted

    目前由弱耦合雙組分bec所構成的玻色約瑟夫森結( bjj )成為研究熱點,在基礎上預言了許多有趣的現象如宏觀量子自捕獲( mqst ) ,和-位相態(結間量子位相差的時間為) 。
  5. This algorithm laid the foundations of other sampling inference algorithms, such as importance sampling algorithm and like - hood weight sampling algorithm. in this paper, the description of accurate and complexities of some kinds of sampling algorithms are presented on the basis of introduction to basic concepts of bayesian networks. first, the mathematical foundations of them are given here in view of statistics

    本文首先介紹了bayesian網的一般概念及推任務,並主要著眼于bayesian網推演算法的數學原,提出了樣本演算法,對幾種推演算法從數學角度做出本質性的刻畫,給出各自的復雜度和精確度的分析,證明了他們在各種情況下的推效率。
  6. The main conclusions are following : ( 1 ) compared with the conventional mlc, the method of iterative prior probability based on the vector map can dispel the prior probability ’ s influence and the overall accuracy and kappa index can be improved ; ( 2 ) to the types with greater area than average area of all types, the producer ’ s accuracy will be improved while user ’ s accuracy be lessened, but to the ones with smaller area, the situation is just the opposite

    本研究的主要結是: ( 1 )與傳統的最大似然法分類相比,利用地數據矢量化得到的先驗概率進行迭代,可進一步消除先驗概率對最大似然分類法分類結果的影響,使分類總精度和kappa指數有進一步提高; ( 2 )分佈面積大於的類別,生產者精度一般會變高,使用者精度會變低;分佈面積小於的類別,生產者精度一般會變低,使用者精度會變高。
  7. The head on situation and overtake situation can be regarded as a special case of cross situation ; 5 through the comprehensive analysis of all kinds of schemes, to determine a best scheme of radars collision avoidance, which may be applied to the following three circumstances : cross situation, head on situation as well as overtake situation, thus to take any measures to alter course, slow down or slow down with alteration ; 6 through the analysis of a special situation, to study the method how to calculate the range of dangerous angle of collision avoidance ; 7 through the statistics of action of collision avoidance, to find out the rules of taking actions to revise the " best scheme " ; 8 the principle and method of optimization are presented

    6 、對一種特殊的會遇情況:位於轉向不變線或其行線上的來船的dcpa和tcpa的變化作分析,探討出「轉向忌諱角」的求取方法,在避碰方案中應避免使用「轉向忌諱角。 」在多船避讓時,如採取一次轉向行動讓清所有船舶,則該的應用將使避碰方案更加完美。 7 、對駕駛員的避碰行為作調查統計(交叉相遇) ,得出駕駛員在交叉相遇局面中的行動幅度和行動時機(距離)的統計數據,得到行動幅度和行動時機的,對「最佳方案」進行修正。
  8. The ids works by two way, misuse detection and anomaly detection, misuse detection flags an intrusion on intrusion signature, this kind of detecting technic can be realized much more easily, and much more accurate, but it can not find some intrusiones that have been disguised or new kinds of intrusion. the anomaly detection can detect in more wide field, anomaly detection can compare new statistic data with average record, then anomaly record will be found, but it ' s more difficult to set a threshold, if the threshold is too big, some intrusion may be put through, if the threshold is too small, the ids will give more false positive alarm, and the threshold will be different with different people or different period, so the ids just simply show us their suspicious record, the administrator or expert will be in duty to analyze this record and give conclusion, the ids give more alarm than it should, leave us more detection record to analyze, and this is a hard work, we can not distinguish an intrusion or not if we analyze only one record, but we can judge if we find the relation among mass detection evidence. in this article, we try distinguish an intrusion using d - s theory ( proof theory ) instead using manual work, the ids will be more helpful and efficient

    濫用檢測採用的是特徵檢測的方法,實現較為簡單,判斷的準確性較高,但是不能判斷一些經過偽裝的入侵或特徵庫中尚未包含的入侵,異常檢測能夠根據以往記錄的特徵,判斷出異常情況,但是對于異常到什麼程度才視為入侵,這個閥非常難以確定,閥設定的太高,有可能漏過真正的入侵,如果設定的閥太低,又會產生較高的誤警率,而且這個閥因人而異,因時而異,因此現在的入侵檢測系統把這部分異常記錄以一定的形式顯示出來或通知管人員,交給管人員去判斷,而這些ids系統難以判斷的記錄,如果對每個證據單獨地進行觀察,可能是難以判斷是否是入侵,而把許多先後證據關聯起來,專家或管人員根據經驗能夠判斷訪問的合法性,本文試圖引入人工智慧中證據的推策略和示例學習方法,代替人工檢查分析,可以提高效率,降低誤警率,並可以對一個正在進行得可疑訪問實現實時檢測,通過搜索及時判斷,及時阻斷非法訪問,比事後得人工處更有意義。
  9. Abstract : the effective shear stress of sediment transport is analyzed theoretically and tested by experimental data. the result shows that the effective shear stress is neither the overall shear stress nor the sand grain shear stress, but the geometric mean of these two stresses. the effective shear stress not only generalizes the flow intensity but also summarizes the flow intensities of mean flow velocity, stream power and unit stream power

    文摘:本文通過分析及實測資料檢驗表明,無對於何種泥沙運動狀態,決定泥沙運動的有效切應力既不是沙粒切應力又不是全部切應力,而是介於兩者之間,近似為沙粒切應力與全部切應力的幾何.這一有效切應力不但是對切應力類水流強度指標的總結,還可以概括流速和水流功率等水流強度指標
  10. Eno schemes are based on the approximation theory, which achieve high - order spatial accuracy by reconstructing piecewise smooth high - order approximate polynomial from the cell - averaging values. during the reconstruction, adaptive stencil technology, which automatically chooses the relatively smoothest stencil from all possible stencils, is adopted to guarantee essentially non - oscillation near the discontinuity

    Eno格式基於近似,採用自適應基架技術(即自動選取所有基架中相對最為光滑的基架) ,對網格構造分段光滑的高階多項式來獲得高階空間精度,同時保證格式在間斷附近具有基本無振蕩性質。
  11. If the contractual model were chosen, it would be necessary to provide either a mechanism for the election and operation of a board of directors in the contractual fund or that the independent directors constitute a special class of directors of the management company who would represent the interests of, be answerable to and removable by the shareholders of the funds under management and have defined responsibilities within the management company

    在emh形成的過程中,奧斯本osberne和法瑪fama的貢獻最大。奧斯本提出了關于股票價格遵循隨機遊走的主張,認為投資者是根據他們的期望價或收益率來估計股票的,而期望價是可能的收益率的概率加權,所以投資者在奧斯本定義上的性是以無偏的方式設定其主觀概率。
  12. Many functions such as field information map, contrastive map of yearly yield, prescription map, etc. can be made. in order to improve using accuracy of agricultural gps, by analyzing the error of point, polyline, polygon, several methods are produced such as arithmetic average value, least squares, adding control points, etc. their principles, features and limitations are also analyzed and discussed. the mathematic model of average error method included in adding control points is established

    為了進一步提高農用gps的使用精度,研究了提高精度的方法,通過對點、線、面等誤差的分析,提出了應用算術法、最小二乘法、加入控制點法等多種提高精度的方法,分析和討了它們的原、特點與應用局限性,並建立了加入控制點法中的誤差差法的數學模型。
  13. Firstly, a two - dimensional decoupling theory is developed when colored noise is included in a nonlinear dynamical system. by a functional analysis, the colored noise is transformed to an effective noise that includes the noise correlation time, the mean dynamical variable, and the original noise strength

    首先,我們發展了分析非線性系統中色噪聲的二維退耦,通過泛函分析,將二維非線性系統中的色噪聲變換成含有噪聲關聯時間、噪聲強度和系統變量等參量的有效噪聲。
  14. 3. the effect of measurement error is considered as gauss white noise. through theoretical analysis and numerical simulation, damage assessment results are also subject to gauss distribution. furthermore, results indicate that the mean keeps intact, but the standard deviation is linear to error level

    3 、將測量誤差的影響考慮為正態分佈的高斯白噪聲,通過分析和數模擬,說明用靈敏度分析法識別結構損傷時,損傷識別結果也服從高斯正態分佈,其保持不變,而方差則與誤差水成線性關系。
  15. The output elasticity of labor " a " should be 0. 3, the output elasticity of capital " { 3 " should be 0. 7 in current p. r. c according to the theoretical consequence and experimental estimation ; thirdly, it has estimated technical improvement rate of p. r. c, shaanxi province and xi ' an city, the contribution of technical improvements to the gdp as well as the technical level of each year from 1985 to 2000. in addition, it has analyzed the feature and problem of technical improvements ; fourthly, it has established a partial metrological economic model

    二是試圖站在一個新的角度,探討和確定了索洛「余法」之結合中國實際的經濟量內涵和經濟參數:以gdp作為產出量;以「全社會從業人數增長速度和全部職工工資總額增長速度的之」作為勞動量增長速度;以固定資產投資作為資本量,流動資金不納入資本量的范圍;依和經驗判斷,中國現階段的產出彈性為0 . 3 、勞動的產出彈性為0 . 7 。
  16. Silylate - terminated polyurethanes with built - in hydrophilic sites were synthesized. when the polymer is dispersed in water, the silane alkoxy end - groups of the polymer undergo hydrolysis, followed by condensation to form a stable cross - linked aqueous dispersion. tem studies indicated that with more incorporation of hydrophilic sites, the particle size of the dispersion decreased. it was also found that the film property depended on the particle size when the crosslinking density in particels was much higher. the average molecular weight of the elastically effective network chain mc measured by swelling experiments shows fairly good agreement with the theoretical value of mc. it was also found that the cross - linking density of the casting film may increase during the film formation and drying process

    將硅氧烷封端的含親水基團的線性聚氨酯預聚體分散於水中,獲得穩定的聚氨酯分散體.由於硅氧基團水解、縮合,在分散體粒子內產生擴鏈交聯反應,生成了交聯水基聚氨酯分散體.透射電子顯微鏡研究表明分散體粒徑小、分佈寬.掃描電子顯微鏡研究了成膜結構及成膜性能與粒徑的關系.溶脹實驗計算獲得的兩交聯點之間的分子量與分子量相符.研究還發現此分散體膜在乾燥過程中可進一步交聯.膜的水溶脹及機械性能表明,此分散體具有極大的工業應用價
  17. Therefore, we rechoose the index which considers more of the investor psychological sense. we make a redivision and retest based on the mean of earning per share and find that the result supports the overreaction hypothesis

    因此重新選用的指標更多考慮投資者心感覺,用每股盈利的對組合進行了重新劃分和檢驗,結支持過度反應假設。
  18. According to construction features of three - span prestressed concrete and continuous rigid frame box with v pier bridge, the paper demonstrates the shell finite element theories, c onstruct the spatial model, and researches its spatial stress and variable regularity under different loads including uniform load, concentrated load and prestressing force wire. morever, the paper studies vibratory modal of three - span prestressed concrete and continuous rigid frame box with v pier bridge, and sets about experimental investigation of the corresponding practical bridge

    本文根據典型的三跨預應力混凝土墩連續剛構橋的特點,提出採用板殼有限元法計算,建立其空間分析模型,研究該橋在不同荷載(布恆載、集中活載、預應力束)支承條件下的空間受力特性和變化規律:探討了典型三跨預應力混凝土墩連續剛構橋的空間靜動力特性及相應的振動模態;探索一般的預測與實際空間效應的差異,並進行相應的試驗研究。
  19. ( 3 ) various digital image - processing techniques for suppression of undesired components and enhancement of quality in numerical reconstruction images are considered, such as hologram contrast - enhancement, hro subtraction, mean value subtraction, frequency domain filtering and spectrum expansion with conjugation symmetry property

    ( 3 )從和實驗兩方面分析了全息圖對比度增強、相減、 hro 、頻譜濾波等數字圖像處技術,及其在消除全息圖衍射0級和孿生像,提高數再現像信噪比方面的作用。
  20. Water use efficiency in shunyi is comparatively 12 - 50 % lower than national level at present for crops except rice and soybean, which means a great water - saving potential in the region according to comparison between experimental observation and estimation. for most crops, yield potential can hardly be increased. therefore, it is necessary to enhance water - saving efficiency of cropping in the region

    2 )比較當前順義區作物實際水分利用效率和全國的作物水分利用效率得出:除夏大豆和水稻外,順義區其它作物水分利用效率低於全國12 ? 50 ,與當地試驗計算相比,還有很大的增長潛力;而作物實際產量與產量的比較表明,大部分作物的增產潛力已不大,所以,種植業節水效率還有待于進一步提高。
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