抽樣分數 的英文怎麼說

中文拼音 [chōuyàngfēnshǔ]
抽樣分數 英文
sampling fraction
  • 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
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 抽樣 : [統計] sample; sampling; specimen; samples draw
  1. Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value

    同時，由於poisson分佈的特性，我們知道不存在其參數區間長度小於0 . 5的置信區間，基於這些情況，我們主要展開了以下兩個方面的研究：一是利用數值計算分析與理論分析的方法對現有的若干置信區間如「精確」置信區間， wald置信區間， bayes置信區間等進行分析比較，發現了一些缺陷，針對這些缺陷，我們進行適當的修正，並得到幾種性質較好的置信區間如：修正大樣本區間jeffreys原則下置信區間二是針對已給定的置信系數與區間長度，我們提出了一種漸近的兩階段區間估計程序，並利用數值計算的方法，在各種置信系數與區間長度限定下，算出了最優的第一階段觀測次數（抽樣量） ，大量數據表明，本文考慮的方法性態良好，具有應用價值。
  2. This dissertation ' s problem just comes from this engineering background exactly. for this two kinds of cores, which were taken from the engineering place, this dissertation draws sample by computer and analyses the weight distributions, getting the weight curves, the middle weights, asymmetry coefficients and other physics characteristic indexes of them, and makes up the model samples which are similar to the factual weight distributions

    本文對施工現場採用的10 100kg和1 800kg重量范圍的堤心石進行了隨機抽樣和重量級配分析，得到了描述這兩種堤心石類別的重量級配曲線、中值重量、不均勻系數等物理特性指標，並由此制備重量級配相似的模型樣本。
  3. The department of ecology and biodiversity of the university of hong kong has been appointed to carry out the 2001 - 02 programme. the main aspects of monitoring include sampling of marine benthic animals, analysing bird population data, habitat extent and conditions. cross reference will be made to environmental data such as mudflat sedimentation, water quality, sediment quality and land use changes

    香港大學的生態學及生物多樣化學系，獲委派進行二零零一至零二年度的計劃，主要監測范圍包括抽樣調查海洋底棲動物、分析鳥類種群數據、生境分佈及狀況；亦會參考相關的環境數據，例如泥灘的沉積情況、水質、沉積物的質素、土地用途改變等，作為對照。
  4. For fir, after researching window function method and frequcy sampling method, it is suggested that the filter designed from blackman window function is satisfactory, afterward the filter is programmed with reasonable operational structure

    再分別對fir濾波器的窗函數法和頻域抽樣法進行模擬分析，從中得出用512點的布拉克曼窗函數設計的fir濾波器能滿足濾波要求，然後選用合理的運算結構對此濾波器編程實現。
  5. Two block time - recursive algorithms are developed for the efficient and fast computation of the 1 - d rdgt coefficients and for the fast reconstruction of the original signal from the coefficients in both the critical sampling case and the oversampling case. the two algorithms are implemented respectively by a unified parallel lattice structure. and the computational complexity analysis and comparison show that the proposed algorithms provide a more efficient and faster method for the computation of the discrete gabor transforms

    首先論證了一維rdgt系數求解演算法和由變換系數重建原信號演算法，不論是在臨界抽樣條件下還是在過抽樣條件下，都同樣具有塊時間遞歸特性，並提出了相應的塊時間遞歸演算法及其并行格型結構實現方法，計算機模擬驗證了并行格型結構實現的可行性，計算復雜性分析與比較也說明了rdgt塊時間遞歸演算法的并行格型結構在計算時間方面所具有的高速和高效性能。
  6. To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft

    為了使開發出的軟體可以適用於高速dsp器件開發，節省系統資源，課題首先從數字信號處理的理論進行分析，得出可以利用抽樣率轉換的數字濾波器的特點，即多相濾波實現數字上下變頻計算負擔的減小，之後進一步將多相濾波器與頻譜搬移部分結合，通過公式的推導，得出可利用快速傅立葉變換的特點實現多路信號的通道化發射和接收的處理模型。
  7. 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。
  8. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。
  9. Its core arithmetic is i d3 and ftart. to guarantee the sample data as science, entireness, typical, and accurate, the author selected the samples from the investigating network of shanghai statistic bureau, which were composed of 300 households in total and 292 effective samples were defined finally. the research lasted a period of one year and data collected within each season

    為確保研究樣本數據的科學性、全面性、典型性和準確性，筆者結合由本人主持完成的香港理工大學itc的「中國家庭服裝消費結構狀況及影響因素」的課題研究，採用了上海統計局家庭計劃調查網路，抽取樣本300戶，回收有效問卷292份，整個調查歷時一年，分四季完成。
  10. By taking repetitive observations in this paper, parametric estimators are obtained respectively in a simple structural ev linear model and a linear structural ev model with vector explanatory variables

    本文利用重復抽樣的方法，分別給出了簡單線性結構型ev模型和一般線性結構型ev模型中的參數估計，並討論了估計的強相合性與漸近正態性。
  11. In this thesis, summarized the basic theories of fourier transformation and the fast fourier transformation that are generally adopted to detect and analyze the electric power harmonic in the electric power supply system. at the same time, summarized the even sample principle, the phenomenon of frequency mix, the window functions and the frequency leaking as so on, those are closely - related to sample from figure signal

    簡要闡述了電力系統諧波檢測分析所普遍採用的傅利葉變換和快速傅利葉變換的基本理論以及與數字信號采樣密切相關的均勻抽樣定理、頻譜混疊現象、窗函數和頻譜泄漏等的基本理論。
  12. Summarized no - line loads and the present situations of the electric power harmonic pollution in the guangyuan district ' s electric power supply system ; explained the theories of fourier transformation and the fast fourier transformation those are widely adopted by majority scholars to examine and analyze the electric power harmonic in the electric power supply system. summarized the principle of even sample, the frequency mix phenomenon, the window functions and the frequency leaking as so on, those are closely - related to the figure signal

    簡要闡述了電力系統諧波檢測分析所普遍採用的傅利葉變換和快速傅利葉變換的基本理論，簡要闡明了與數字信號采樣密切相關的均勻抽樣定理、頻譜混疊現象、窗函數和頻譜泄漏等的基本理論，同時闡述了電力系統的諧波檢測與分析的相關理論基礎知識。
  13. Sampling procedures for inspection by attributes - part 2 : sampling plans indexed by limiting quality for isolated lot inspection

    計數檢查用抽樣程序.第2部分:隔離批檢查用以極限質量為指標的抽樣方案
  14. The number of runs is a statistic with its own special sampling distribution and its own test.

    連續級數是一個具有獨特抽樣分佈和檢驗方法的統計量。
  15. Secondly ， the author point out the problems of development of chinese tourism marketing for example ， the tourism marketing is not perfect ， and the marketing kind is not complete ， and the system of tourism marketing is imperfect and so on in the end ， the author gives some advice how to settle these problems in order to make chinese tourism industry great progress the system of tourism maketing should be meliorated ； model of sales promotion of tourism product should be improved ； new objective tourism marketing should be developed ， for instance ， we should develop education tourism marketing ， rural tourism marketing and the rich residents of tourism marketing many methods of demonstration are adopted ， qualitative analysis and quantitative analysis are integrated ； deductjve reasoning and induction are expioited with ease ； the author anach importance to empoloy relative theorv ， of tourism ， at the same time ， the researching of the calse is emphasized

    這篇論文針對我國目前的旅遊市場進行宏觀分析，首先就我國旅遊市場的宏觀背景即國內旅遊市場發展背景和國際旅遊、旅遊市場研究進展和趨勢進行初步探悉，運用現實的統計數據和抽樣調查數據進行分析論證；其次就我國目前旅遊市場的現狀和存在的問題進行闡述和分析，然後針對我國目前旅遊市場的特徵和存在的問題提出發展戰略和解決措施，分析問題的方法上主要採用抽樣調查、比較分析法、演繹與歸納、定量與定性相結合等。
  16. Aql sampling procedures for inspection by attributes - part 1 : sampling schemes indexed by acceptance quality limit for lot - by - lot inspection

    計數抽樣檢驗程序第1部分:按接收質量限
  17. Two - stage sampling has only one chance of using the information provided by samples to determine the following plan. pure sequential sampling, however, could use sampling size sparingly. in addition, in some cases, pure sequential procedures have to be applied to acquire the confidence intervals which meet the demands

    兩步抽樣，只有一次機會利用樣本信息決定今後計劃，採用純序貫則可使平均抽樣次數節省，另外，在一定的分佈族中必須採用純序貫才能取得滿足要求的區間估計。
  18. The standard deviation of a sampling distribution. it is the statistic used to make statements about the accuracy of estimates based on sample information

    抽樣分佈的標準偏差.統計學上用來說明從樣本預測的數據的準確性
  19. A sampling function structural controller with nonlinear convergence is used to control the ionic beam that its initial condition follows kapchinskij - vladimiskij ( k - v ) distribution

    摘要根據束暈混沌控制策略方法，利用具有非線性、收效性的抽樣函數構造控制器，對初始條件遵從k - v分佈的離子束進行了控制研究。
  20. Aiming at the demands issues of bank cards operation, we set up the models of bank cards operation demands and review them from different sides. simultaneously, we process the data of samples to analyse the characters of cardholders and see about the correlation circumstance in which bank cards operations develop

    以銀行卡業務需求為因變量，以各種影響因素自變量，建立銀行卡業務需求的多自變量函數模型，從不同角度，考察需求函數；同時，對銀行卡持卡人的特徵進行抽樣分析，對開展銀行卡業務的相關環境進行分析。
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