樣本抽選 的英文怎麼說

中文拼音 [yàngběnchōuxuǎn]
樣本抽選 英文
sample selection
  • 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
  • 本 : i 名詞1 （草木的莖或根）stem or root of plants 2 （事物的根源）foundation; origin; basis 3 （本錢...
  • 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） ...
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 樣本 : sample book; specimen; advanced copy; sample; muster; scantling; instance; statistics
  1. The disquisition includes choice of algorithm, accomplish of algorithm, collection of learning sample, parameter of net, shortcoming of bp algorithm, extraction and reduction form line etc. referring to shortcoming of traditional bp algorithm, a modified learning factor with adaptation is introduced. because of every different font has robust, the way based chain coded and knaggy feature is used. a bizarre sample feature database is constructed for speeding up modified bp learning and classification

    本文對人工神經網路理論進行了研究，探討了網路形式及演算法的選擇、演算法的實現、學習樣本的收集、網路參數選擇、 bp演算法缺陷、表格線提取、還原、生成及字元識別、還原生成等問題，並針對bp演算法的缺陷提出了和實現了改進型bp演算法，使網路學習效率提高，對不同人的不同字型字體有較強的魯棒性，採用了基於鏈碼特徵和凹凸分佈特徵的方法來抽取字元特徵。
  2. In this paper, taking one of the special processes - chromic acids anodizing for example, such administration methods as the key points control and the quality performance administration system for surface treatment process have been setup by process analysis and key points seeking. as for the complicacy of the quality control on metallurgical special processes and the huge statistic data, the quality information system of surface treatment have been established on the bases of computer database. this paper brings out the systematic evaluation way to setup reception test items by taking the reception test results as evaluation basis and sampling statistics as rules

    本文以鉻酸陽極氧化表面處理工藝為研究對象，通過工藝技術分析、尋找關鍵特性、建立對關鍵特性的控制等工作，研究建立了表面處理工藝動態質量管理系統；針對冶金特種工藝質量控制的復雜性及統計數據量大等特點，建立了以計算機數據庫管理為基礎的表面處理信息及處理系統；為解決冶金特種工藝原材料入廠復驗任務重的困難，建立了以原材料入廠復驗的試驗結果為評價基礎，以抽樣統計方法為依據的原材料入廠復驗項目優選系統等。
  3. Commonly, subgroup size, sampling rate, and control limit are three main parameters in designing a control schemes

    通常樣本容量、抽樣比例和控制線的選擇是設計控制圖的三個主要指標。
  4. By sampling survey method, from the aspects of bibliographical availability, the ratio of book forecasting, fields for description, description format, acquisition costs etc., the paper makes a comparative analysis among the main chinese books acquisition bibliographies, including xinhua book news, cip data, national new books information, and bibliographies compiled by publishers, and hope can provide useful experience information for the selecting of library acquisition bibliography

    摘要本文採用抽樣調查方法，對新華書目報（社科版與科技版） 、 cip數據、全國新書目和出版社自編書目等國內主要中文圖書采訪書目，從書目可供性、預告率、圖書預告征訂的實際可供時間跨度、著錄欄位、著錄格式（排版顯示格式） 、採集成本等方面進行比較分析，為落實《圖書館采訪工作規范》中的「選擇出最適合於本館使用的書目」提供借鑒。
  5. In this thesis, the critical components of pcs are analyzed and tested in detail. i present the scheme of reliability qualification test of capacitors, furthermore, analyze the sampling inspection scheme theoretically for capacitors and put forward the proposals to improve this scheme. for most of components in pcs with high reliability or long lifecycle, which need great investment of time and material for their reliability tests, this paper provides a new and effective statistical method for this kind of components - the progressive stress accelerated life testing with exponential distribution

    可靠性試驗也是可靠性工程的重要組成部分，能源系統許多元器件為高可靠性、長壽命器件，且大部分是非標準器件，為保證整個系統的可靠性，必須對備選元器件進行可靠性試驗，本文對能源系統關鍵器件進行了詳細的試驗分析，給出了電容器的鑒定試驗方案，對其抽樣試驗方案進行了理論分析並給出了方案改進建議。
  6. 450 students in five representative middle schools in luoyang district of henan province were selected to be the subjects ? he second year students of junior middle school and senior middle school in the no. 1 senior middle school of luoyang ( a main school in henan province ), the no. 3 senior middle school of luoyang ( a main school in luoyang city ), the no. 5 junior middle school of luoyang ( a common school ), the no. 1 senior middle school of ruyang county ( a mountain - area school ) and the no. 2 junior middle school of ruyang county ( a town school )

    本次問卷調查採用了抽樣調查的方法，在河南省洛陽市選取了5所具有代表性的學校中450名學生作為調查對象? ?洛陽一高（省重點） 、洛陽三中（市重點） 、洛陽五中（普通中學） 、汝陽一高（山區中學） 、汝陽二中（鄉鎮中學）的初二和高二學生。
  7. Finally, the paper presents the approach of measuring csi systematically, which includes targeting, sampling, choosing method, designing questionnaire, analyzing and reporting

    最後，本文還系統闡述了用戶滿意度指數測量的方法，從調查目標、抽樣、調查方案的選擇、問卷設計到分析報告進行了系統分析。
  8. 4. during the investigation of distinction in mathematical cognitive structure, the author uses statistical sampling method. by test - analysis, observation, conversation and exchanging with teachers, the qualitative and quantitative analysis is made

    在對高中生數學認知結構個體差異的調查研究中，筆者首先採用整群+分層抽樣的統計方法選取了樣本，然後通過問卷測試?分析法、觀察法、談話法以及與數學教師的交流對調查結果做出了定量和定性的分析。
  9. The study is based on household data of spot check, investigated land use data on landform section, local domestic statistical data, meteorological observation data, land use data by remote sensing and conventional investigation. methods of statistics analysis, yoss marginal analysis, geo - statistics analysis and methods of historical geography were employed in this study. mechanism and environmental effects of land use option by farming and grazing households are studied from the aspects of ecological suitability, economic feasibility, and social acceptability

    本文以農牧戶抽樣調查、地形剖面調查、統計年鑒、氣象觀測、遙感和常規調查的土地利用等數據和資料為依據，運用統計分析、邊際效益分析、地學分析和歷史地理研究等方法，從生態適宜性、經濟可行性、社會可接受性等方面研究了農牧戶土地利用選擇機制及由此引起的環境效應。
  10. In this study, a scale was used to measure a sample of 278 students selected from a middle school by randomly sampling and selected 80 students who have the similar score of gse

    本研究採用隨機抽樣法，選取中等數學成績的初二學生278名，然後運用有關問卷，從中篩取自我效能得分相當的被試80名作為被試。
  11. A kind of sample in which every member of the population does not have a known probability of selection into the sample

    一種抽樣方法.即人口中的每個個體被選為樣本的概率不同.見方便抽樣，有目的抽樣，和定額抽樣
  12. From theoretical analysis, we know the existing demodulation methods have limitations as following : one is that the subtraction of the two signals frequencies will display as the result of demodulation when we demodulate two time - domain adding signals without modulating information ( fault information ) ; the other one is that aliasing phenomenon will occur as a result of getting absolute value, detection or square in the process of generalized demodulation analysis, such phenomenon will result in some superfluous frequency composition on the frequency spectrum, which will puzzle the detec tion of mechanical vibration. if the sampling frequency is selected from a suitable range, the aliasing phenomenon will be avoided ; the last one is that aliasing frequencies will be produced in zoom demodulation analysis because this algorithm cannot employ digital low - pass filtering to avert the folding frequencies of higher harmonics in the process of zoom sub - sampling

    現有的解調分析方法存在以下三種局限性：將不包括調制信息（故障信息）的兩時域相加信號，也以其頻率之差作為解調信號而解出；廣義檢波濾波解調分析中，由於取絕對值、檢波或平方過程可能產生混頻效應，在解調譜中表現為無法分析的頻率成分，並由此推導出避免這種混頻現象的采樣頻率的選取范圍，從根本上避免此類誤診斷的產生；幾種細化解調分析新演算法中，因為無法在細化分析的選抽時進行數字低通濾波，有可能會出現調制頻率的高次諧波成分發生頻率混疊而反折到低頻部分的現象。
  13. The percentage sampling transformation creates a sample data set by selecting a percentage of the transformation input rows

    百分比抽樣轉換通過選擇轉換輸入行的百分比來創建樣本數據集。
  14. Based on the sampling error in the normal random sampling and layered sampling, the methods of determining sample volume and selecting of sampling themes are studied

    對於一般隨機抽樣與分層抽樣根據給定的抽樣誤差確定抽樣量，探討樣本容量的計算方法和選擇抽樣檢驗方案的方法。
  15. The indicators system involes seven subsystems, economical level 、 population and employment 、 resources and environment 、 technology and education 、 culture and health, quality of life, social security and safeguard subsystem. then took globle principal component analysis, composite index analysis and clustering analysis as tools in empirical study. this aimed at enriching the content of the comprehensive evaluation indicators system of the social development level ; made it porttay that the social development level of sichuan

    社會發展水平研究方法，本文採用描述統計法、加權指數法、全局主成分分析方法和聚類分析方法相結合的方法。本文的資料來源於四川省統計局的抽樣調查，選取了四川省1999 ? 2004年社會發展水平數據、四川省各市州2003年、 2004年兩年的社會發展水平數據。
  16. System applies a page - based sampling method in which a random set of pages from the table is chosen for the sample, and all the rows on those pages are returned as the sample subset

    System應用基於頁的抽樣方法，即從表中選擇一組隨機頁作為樣本，這些頁上的所有行作為樣本子集返回。
  17. Based on the port and waterway superintendence units, we study and screen the detailed method for the sample survey of whole industry waterway transportation volume, including selecting detailed sampling method, determining the appropriate sampling size, designing the calculation formula of all target estimators and their variance estimation

    包括選定具體的抽樣方法，確定合適的樣本量，給出需估計目標量的估計公式及估計量的精度公式，制定詳細的樣本調查規定和編制科學合理的樣本調查表等。
  18. In statistical pattern recognition algorithm, the system makes geometry and grey standardize on the images located, then extracts their features base on three kinds of integration projection curve. at last matches them with the feature samples in sample library and output the most suitable image

    在人臉的統計識別演算法中，系統對定位后的人臉圖像做幾何標準化與灰度標準化處理，並基於三類積分投影曲線抽取人臉特徵，與樣本庫中的特徵樣本進行匹配，選取最為匹配的人臉圖像作為輸出。
  19. This transformation is similar to the percentage sampling transformation, which creates a sample dataset by selecting a percentage of the input rows

    此轉換類似於百分比抽樣轉換，後者通過選擇輸入行的百分比來創建樣本數據集。
  20. Random sampling is a common approach to this problem. however, random sampling is blind because it does not exploit any data characteristic

    目前普遍採用的樣本選擇方法是隨機抽樣，然而隨機抽樣方法沒有利用數據的任何特點，比較盲目。
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