抽樣規模 的英文怎麼說

中文拼音 [chōuyàngguīmó]
抽樣規模 英文
sample size
  • 抽 : 動詞1 （把夾在中間的東西拉出; 提取） take out （from in between） 2 （從全部里取出一部分; 騰出） ...
  • 樣 : Ⅰ名詞1. （形狀） appearance; shape 2. （樣品） sample; model; pattern Ⅱ量詞（表示事物的種類） kind; type
  • 規 : Ⅰ名詞1 （畫圓形的工具） instrument for drawing circles 2 （規則; 成例） rule; regulation 3 [機械...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 抽樣 : [統計] sample; sampling; specimen; samples draw
  • 規模 : scale; scope; dimensions
  1. This article discussed ar modeling method, capon method, music method and mn method four kinds of high resolution algorithms principle and has separately made the computer simulation in the ideal situation to the above four algorithms. through the comparison, the beam width of high resolution algorithm is much narrower than conventional beamforming method. then unifies the actual utilization, discussed the influence of time delay unbalance, time domain sampling, plane wave supposition and array element with scope and phase not identically to the beamforming and made the computer simulation

    本文首先討論了ar模型法、 capon法、 music法和mn法四種高解析度演算法的原理，在理想的情況下分別對上述四種演算法作了計算機模擬，通過比較，高解析度演算法的束寬比常規波束形成法窄得多;然後結合實際運用時的情況，重點探討了延時失配、時域抽樣、平面波假設和基陣的幅相不一致對波束形成的影響並做了計算機模擬。
  2. The concept is useful in assessing the large sample properties of econometric estimators.

    在評價經濟計量估算值的大規模抽樣特徵時，這是一個有用的概念。
  3. This team has analysed the genetic fingerprint of the sars - coronavirus from eleven patients. this number is one of the largest performed by a single research centre

    中大研究隊伍在十一名病者中抽取含有sars冠狀病毒的樣本進行基因分析，這可說是全世界在單一研究中心進行之最大規模的基因研究。
  4. A popular solution toimprove the speed and scalability of the association rule mining is todo the algorithm on a random sample instead of the entire database. buthow to effectively define and efficiently estimate the degree of errorwith respect to the outcome of the algorithm, and how to determine the samplesize needed are entangling researches until now. in this paper, an effective and efficient algorithm is given based on the pac probably approximate correct learning theory to measure and estimatesample error

    關聯規則挖掘作為數據挖掘的核心任務之一，由於其任務本身的復雜性通常需要多次整個掃描數據庫才能完成挖掘任務且頻繁模式可能產生組合爆炸，使得從原始的大規模數據集上抽取一部分樣本，在其上尋找用戶感興趣的近似規則成為目前提高演算法效率和可擴展性的一種簡單有效的現實可行方法之一。
  5. It process documents not only based on latent semantic analysis, but also based on text multilevel dependency structure. the method first analysis the latent semantic structure of texts, make single value decomposition on text - matrix, reconstruct the semantic matrix ; then a method based on text multilevel dependency structure is adopted, deeply analysis the content of the semantic matrix, abstract the important sentences to generate abstraction and make up the shortage of latent semantic analysis on structure and syntax

    首先通過對文本進行潛在語義分析，對文本矩陣進行相應的奇異值分解，重構語義矩陣;然後採用基於篇章多級依存結構的文摘分析方法，對重構的語義矩陣表示的文本內容進行深入的分析，抽取重要的句子生成文摘，這樣就彌補了潛在語義分析在詞法和句法分析上的不足;同時過濾和去除了語義噪音，縮小了問題的規模。
  6. The present methods for testing the large - scale corpus segmentation have the following faults : a. it is difficult to exactly estimating the variance of population ; b. the sampling quantity is too large to test the corpus segmentation. to solve the given problems, we put forward the testing method based on clustering, which sorts the sample of corpus into many group by clustering them

    語料庫分詞質量的評價問題是漢語語料庫的特有問題，已有的簡單隨機抽樣的方法，當語料庫規模變大時，無法精確估計分詞質量評價中語料庫樣本的總體方差，同時，為了保證檢驗的精度，傳統抽樣方法的檢驗費用太高。
  7. The following merits can gain by using the clustering method : a. the sampling quantity can be reduced by using the method to test the segmentation of the large - scale corpus ; b. the testing precision can be improved and the variance of population can be estimated more exactly

    與已有的簡單隨機抽樣方法相比，本文提出的方法在大規模語料庫分詞質量評價時，有如下優點； a通過聚類得到語料庫抽樣樣本分詞正確率的分層知識，進而在檢驗中運用分層抽樣帶來的增益減少檢驗的費用： b
  8. These problems include many aspects such as planning, designing, supervising, and so on. then it sums up that the condition of traffic position is the key factor affecting the wet markets ’ trade benefit. and the scale of the wet market and the managing environment are also factors affecting the managing benefit of the wet markets

    通過抽樣實地調查，對調查資料進行比較分析，發現長沙市農貿市場在規劃、設計、監督等方面存在問題，而交通區位條件是影響農貿市場經營效益的關鍵因素，此外市場規模、經營環境因素也影響著農貿市場的經營效益。
  9. The problem of lack parking space hinders the grow of the city. so it ’ s important operation significance to study and improve the guide line of parking space for buildings in major urban districts of chongqing. this article analyzes the development of public traffic and status quo of urban parking in china oanalyzes and studys the policies of urban parking and the experiences of establishing indicator system in and out of china, conbines the returns of the system planning of chongqing, the traffic development strategy of chongqing, the integrating traffic planning in major urban districts of chongqing, analyzes and demonstrates deeply the status quo of urban parking and existed problems on sample survey, then founds the predicting model of parking demand and the model of growth rate of parking demand

    本文通過對我國城市交通的發展、城市停車狀況的分析和對國內外城市停車政策和指標體系制定經驗的分析研究，結合重慶市總體規劃、重慶市交通發展戰略和重慶市主城區綜合交通規劃等研究成果，在抽樣調查的基礎上，對重慶市主城區停車現狀及存在問題進行了深入的分析論證，建立了建築物停車需求預測模型和停車需求增長率模型，提出了重慶市停車發展戰略，制定了具有可操作性的主城區停車配建指標體系，細化了建築物分類標準及基數單位，並提出了實施相關停車政策的建議。
  10. At first, ploygon aggregate structure of concrete is randomly generated in two - dimensional plane with monte carlo method on the meso - level. then, the growth process of a crack of concrete 3 - point bending beam specimen is analyzed by fem, according to the criterion of maximum circumferential tensile stress. and the path of crack to spread in mortar, aggregate and interfaces of them is gained by the ultimate fracture criteria in construction standard that the width of crack should not be more than 0. 2mm

    首先，在細觀層次上，根據蒙特卡羅隨機抽樣原理，在二維平面上建立了混凝土多邊形隨機骨料結構模型，然後採用有限元計算方法，根據最大周向正應力準則，對三點彎曲梁構件進行了開裂過程的模擬，並以建築規范中構件裂縫小於0 . 2mm的要求為最終破壞標準，得出了裂紋在基質、骨料及界面的擴展路徑。
  11. The ratio of sample size to population size

    抽樣規模與人口規模的比率
  12. After explaining the both at hone and abroad relevant results of study, the whole paper. taking the approaches of sample statistics, comparison study, and many other approaches of prediction, has carried on the deep discussion on how to establish the relationship between quantity aid quality in the development of higher education, how to establish the scientific view of higher education in quality, how to construct the rational structure of higher education, and how to raise the efficiency in school management of higher educatin and realize that the scale, quality, structure, effectiveness of higher education develop harmoniously and allsidedly

    本文就湖北省高等教育大眾化的規模、結構、質量和效益問題進行了全面系統的分析。全文採取了抽樣統計法、比較研究法、以及多種預測的研究方法，對國內外有關的研究結果進行闡述后，對如何確立高等教育發展中數量與質量的關系、如何確立科學的高等教育質量觀、如何構建合理的高等教育結構、以及如何提高高等教育辦學效益，實現高等教育規模、質量、結構、效益全面協調發展等問題，進行了深入的探討。
  13. Recent events in xml directly touch on the topics i covered, so in this installment and others from time to time, i ll divert from the primary line of discussion to provide an update on these developments

    最初的rdf 1 . 0規范把rdf的抽象模型和用於可互操作的表示和交換的xml語法結合在一起。我和其他人一樣認為這種組合是錯誤的。
  14. This article tries to model the goal programming by the study of stratified sampling about a single - collectivity and a multi - collectivity on the condition that the total amount of investigation expresses and the requirement of accuracy in the investigation have been given

    摘要在給定調查總費用及調查精度要求的情況下，分別建立了單個總體及多個總體的分層抽樣調查的目標規劃模型。
  15. The writer made a large scale investigation on the point of satisfaction with the services from both huaihua mobile communication company and huaihua union communication company, and also has made a quantitative estimate on the satisfaction generally and variously

    本研究採用分層的系統抽樣方法，對懷化市兩大移動通信公司? ?懷化市移動通信公司與懷化聯通公司進行了較大規模的客戶滿意度調查。在調查的基礎上，對兩公司的總體滿意度及各方面滿意度進行定量評估。
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