統計問題 的英文怎麼說

中文拼音 [tǒngwèn]
統計問題 英文
statistic problem
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • : 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...
  • : Ⅰ動詞1 (請人解答) ask; inquire 2 (詢問; 慰問) question; ask about [after]; inquire about [aft...
  • : Ⅰ名詞1. (題目) subject; title; topic; problem 2. (姓氏) a surname Ⅱ動詞(寫上) inscribe; write
  • 統計 : 1 (對有關數據的搜集、整理、計算和分析) statistics; census; numerical statement; vital statistic...
  • 問題 : 1 (需回答的題目) question; problem 2 (需研究解決的矛盾等) problem; matter 3 (事故或意外) tr...
  1. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著,對自適應調制系中的通道估難點,詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然( ml )估和最大后驗概率( map )估演算法,針對平衰落通道,我們模擬了map估和ml估的方差與導頻符號長度的關系,模擬結果表明,錯誤方差受多譜勒頻率的變化影響最大,並且對實際的自適應調制系,導頻符號長度的取值超過20個符號長度時, map通道估明顯優于ml通道估
  2. The second section described the accounting issues brought by cyber economy environment including the impact to the accounting suppose, accounting target, the content, the means, the process of accounting checking and the impact to the accounting information system. the third section described the ideas of the innovation of cyber economy environment emphases on the accounting business process reengineering, accounting information system innovation, assets affirmance, accounting settlement under the cyber economy environment. on basis of the third section, the fourth section analyzed the cyber accounting ' s origins, developme nt, characteristic and problems occurred in the development of the cyber accounting

    本文共分四章,第一章論述了網路經濟環境下會環境的變遷,分析了網路經濟的產生與特點,概述了電子商務及虛擬企業的特徵,並指出對企業的組織、生產、管理環境帶來的巨大變化;第二章闡述了網路經濟環境引發的會,包括對會假設、會目標、會核算內容、方法、流程及會信息系的影響;第三章提出了對網路經濟環境下的會創新的設想,重點論述了網路經濟環境下的會業務流程重組與會信息系的變革,網路經濟環境下的資產與會確認,以及會結算等方面的創新設想;在第三章討論內容的基礎上,第四章具體分析了網路會的產生、發展及特點,並分析了網路會發展過程中存在的主要,針對這些,提出了相應的對策。
  3. Third, this dissertation analyzes the complicacy of result size estimation problem for xml structure based query optimization compared to its counterpart in traditionally relational database, and proposes a full - featured result size estimation algorithm for xml query, sxm. for simple path expression query, this dissertation proposes a dynamic synopsis model for xml data based on the concept of f - stable and b - stable, xmap. for complicated path expression query, this dissertation adopts an improved bifocal sampling method for result size estimation

    第三,分析了xml結構化查詢優化中的查詢代價估與傳關系型數據庫中的查詢代價估的區別,提出了一套完整的xml結構化查詢代價估體系sxm ,包括對簡單路徑表達進行查詢代價估的動態xml數據模型xmap ,對復雜路徑表達進行查詢代價估的雙焦點例舉法,以及對值匹配條件進行查詢代價估的基於小波的多維直方圖方法,並能將多種查詢表達的查詢代價估結果結合在一起,以給出一個完整的xpath查詢的代價估
  4. This paper addresses how to introduce the corba techologies into the tmn, meanwhile, it also addresses the possible applicatioin of corba in tmn. finally, this paper also introduces the detail design of how to apply a corba middleware tao into alcatel ' s forth generatioin project, using corba as the network management interface between the qaf and nef, the functions in tmn. this paper especially pays attention to the detail design of the netowrk management ' s softweare framework, managed object class and notifciation management, try to find a more elegant design pattern in network management development

    隨著電信網路技術的不斷發展,各種新業務的日新月異,傳的基於osi協議棧的電信管理網tmn在開放性,分散式,互操作性和實現的復雜程度上都日漸不能滿足需求,為了解決這樣的,國際電信聯盟itu - t將corba技術引入電信管理網中,本文就如何在tmn電信管理網中引入corba技術,引入后的實際設,以及corba技術在tmn中可能的應用做了一定程度的探討,並結合alcatel4g網管子項目介紹了如何將基於corba的中間件tao ,應用在網元層網管系中,作為q介面適配層qaf和網元功能層nef的標準管理介面。
  5. 2. finished the design of xml - based courseware building system - authoring system : authoring system is designed for cwml, it solved the problem that now there is no courseware authoring system that supports the file form which is regroupable and open

    完成了xml的課件創作環境authoringsystem的設: authoringsystem是建立在cwml的基礎之上而設的,它解決了目前缺乏支持可重組開放的文件形式的編輯系
  6. Aircraft flight dynamic and envelope protection control law in smart icing system are researched in this thesis

    本文對結冰飛行動力學特性及智能防冰系中的包線保護控制律設進行了研究。
  7. Considering the one - sidedness and inaccuracy of knowledge discovery only from single - color database, an approach is proposed to discover knowledge from 1331 groups of mix - color database with partial least - square regression, based on measuring and learning 400 groups of single - color database. by this method, the mean error decreases when converting from rgb to cmyk, the precision of color matching is improved, and the automatic and general problem in color matching is further solved

    本文基於學習理論構造了一種快速自適應隨機搜索演算法,證明了演算法的收斂性.給出了一種簡易實用的寬帶天線匹配設新方法.應用該自適應演算法進行天線匹配設,不僅演算法簡單,易於編程實現;而且能夠快速設出具有較好性能的匹配網路,非常適用於各種短波、超短波天線的匹配設
  8. Initial design includes the design about contact system structural, electromagnetic system structural. regarding permanent magnetism relay, the permanent magnet structural design must be considered

    初始設包括接觸系、電磁系的結構設,對于帶永磁的繼電器,還需考慮永久磁鐵的設
  9. This subject belongs to three - dimensional layout problems with behavioral constraints theoretically and concerns the knowledge of spacecraft design, mechanical engineering, computer science, mathematics, mechanics and system engineering. so it can be ascribed as the frontier fundamental and applied research of cross - discipline subject with np complexity theoretically. in term of engineering practice, this subject has extensive applications, such as layout design of spacecraft module, engineering machinery, submarine and shipping, tank, under - water suspension engineering, platform of marine drilling well, bullet train, multiple spindle box of machine tool, robot

    該課在理論上,屬帶性能約束的三維布局,涉及航天器設、機械工程、算機、數學、力學和系工程等學科,為交叉學科前沿課的基礎理論和應用基礎研究,具有np難度;在實踐上,具有廣泛的工程應用背景,如航天器艙、工程機械、潛艇、船舶、坦克、水下懸浮工程、海上鉆井平臺、高速列車、組合機床多軸箱、機器人等的布局方案設
  10. Based on the model, a theoretical equation for designing the thermo - insulator and a design solution of the crucible assembling system has been suggested. whereby, the designing problem in the heating system of crucible components is solved, and the graphic crucible component system in practical application is designed and manufactured. 2

    通過對碳化硅生長設備中石墨坩堝系的徑向組合傳熱的分析討論,建立了系熱分析的理論模型,提出了絕熱層設的理論依據,解決了坩堝組件熱系的設並設製作了實際應用的石墨坩堝組件系
  11. Terms of reference to advise the commissioner for census and statistics on all statistical matters referred to the board by the commissioner

    對所有由政府處處長提交予該委員會研究之有關統計問題,提供意見。
  12. In this paper we mainly discuss the statistical physics of gravitational systems

    本文主要討論引力統計問題
  13. The change - point analysis in financial time series has been regarded as one of the core areas of research in statistics

    金融時間序列模型的變點分析是一類重要的統計問題,它引起眾多學者的關注。
  14. Some statistical inference problems and research progresses on reliability analysis of complex systems

    復雜系可靠性分析中的若干統計問題與進展
  15. Sampling procedures used for acceptance testing of in vitro diagnostic medical devices - statistical aspects

    體外診斷醫療設備的驗收試驗用取樣程序.統計問題
  16. The concept of var is very simple, but the measurement method is a challenged item in statistics

    Var的概念簡單,然而它的度量卻是一個具有挑戰性的統計問題
  17. This thesis is devoted to a study of statistical inference for diffusion processes and some applications in finance

    本文主要研究擴散過程的一些統計問題以及一些在金融上的應用
  18. The paper strictly defines the concept of gini coefficient and discusses the relevant statistical problems based on the probability

    摘要本文從概率意義上嚴格定義了基尼系數,並給出了與其相關的統計問題
  19. On the basis of the study above, we put up with a reasonable suggestion about how to choose the proper regression methods for different kinds of statistical issues

    在此基礎上,對不同類型統計問題如何選用適當的回歸分析方法提出了合理的建議。
  20. The objectives of our statistics programme are to equip our students with adequate statistical theories and methods, to help them master real - life statistical applications, and to prepare them for promising careers after graduation

    課程的目的是要教導學生足夠的理論和方法,讓他們有效掌握解決實際統計問題的竅門,為他們畢業后的理想前途作好準備。
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