抽樣論 的英文怎麼說

中文拼音 [chōuyànglún]
抽樣論 英文
sampling theory
  • : 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) ...
  • : 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
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • 抽樣 : [統計] sample; sampling; specimen; samples draw
  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、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 study combines census survey with sample survey, conversazione with data analysis and theories with experience to form the technological route of experiencing, generalizing and researching simultaneously

    本研究採取普查與調查相結合、座談調研與查找資料相結合、理與實踐相結合,邊實踐、邊總結、邊研究的技術路線。
  3. 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(量) ,大量數據表明,本文考慮的方法性態良好,具有應用價值。
  4. It is for a discussion of area determination by transect sampling.

    這是有關截距估測面積的討
  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,不是在臨界條件下還是在過條件下,都同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進行分析,得出可以利用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. This thesis concentrates on the analysis of sampling rate changing ( decimation and interpolation ) ; the discussion of basic multirate signal processing theory ; the implementation of high efficient algorithm, which provides the bases for other algorithm development in this thesis

    本文從頻域的角度深入分析了率變換的規律,並進一步研究了多率系統的高效實現方案和基本理,為其它演算法的研究提供了必要的基礎。
  8. 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,並討了估計的強相合性與漸近正態性。
  9. 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以及與數字信號采密切相關的均勻定理、頻譜混疊現象、窗函數和頻譜泄漏等的基本理
  10. 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,簡要闡明了與數字信號采密切相關的均勻定理、頻譜混疊現象、窗函數和頻譜泄漏等的基本理,同時闡述了電力系統的諧波檢測與分析的相關理基礎知識。
  11. Some hotspot issues on the application and theory of survey sampling

    調查應用與理中的若干前沿問題
  12. Whenever we sample, we always miss some helpful information about the population.

    在什麼條件下進行,總會丟掉一些對于總體有用的信息。
  13. 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調查數據進行分析證;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調查、比較分析法、演繹與歸納、定量與定性相結合等。
  14. Therefore, based on the key project ? esearch on some basic problems on quality control and source tracing in modern manufacture ? ( no. 59735120 ) sponsored by national natural science foundation, a deep research is made in this dissertation its branch subject ? the theory and technology of zero - waste control. the main work and achievements are as follows : 1. on the basis of the introduction of common quality control methods, some key problems about statistical quality control are elaborately discussed ; a method to decide the quality control line is developed ; a mathematical model based on the sampling plan of multi - variation of product quality is set up ; the process manufacturing condition of quality control chart is discriminated using the theory of fuzzy diagnosis

    為此,本文基於國家自然科學基金重點資助項目「現代製造質量控制、溯源若干基礎問題的研究」 (項目編號: 59375254 ) ,重點對其中的子課題? ?零廢品控制理和技術進行了深入的研究。文的主要工作和取得的成果如下: 1在介紹了常用質量控制方法的基礎上,對統計質量控制的幾個關鍵問題進行了詳盡的討,提出了質量控制界限的確定方法,建立了基於產品質量多變異的方案的數學模型,利用模糊識別理對質量控制圖工序加工狀況進行了判別。
  15. The last part demonstrates the scientific and feasibility of the sharing mechanism model of education cost and construction and execution blue print of the tuition policy by analyzing real data with the rules of payment capability and profit capability and combining the suggestions and opinions of graduates at school, teachers and the outside people. the real data are got from questionnaire, visiting and analyzing individual case in x x university

    文最後一部分,採用問卷調查、深入訪談和個案分析等實證研究方法,對大學的在校研究生進行調查,採用網路調查數據,用支付能力原則和收益能力原則對獲得的數據加以分析,並綜合在讀研究生、高校教師和社會人士的意見和建議,對研究生教育成本分擔機制模型和學費政策方案的合理性、科學性和可行性進行證。
  16. First, this paper gives an introduction of some methods of unequal probability sampling, their estimators and variance estimators, including sampling with pps with replacement, methods of sampling without replacement suggested by brewer, durbin, sampford, des raj, murthy, rao - hartley - cochran. then, at the basis of rao and bayless ' s study, we consider that population can be splited two random subpopulations, which are respectively drawn from different infinite super - populations, and compare the stabilities of estimators of the methods that given above. we find that the minor difference between two super - populations has great effect on the efficiency of the estimators for the population with moderately large coefficient of variation ( c. v. )

    本文首先從理上介紹了若干種不等概率方法,它們的估計量、估計量的方差及其估計,其中包括有放回ppz及pps,不放回不等概率中的brewer 、 durbin 、 sampford 、 desraj , murthy 、 rao - hartley - cochran等人的方法;其次,在rao和bayless兩人就本單元數n = 2的情形對上述方法進行比較的基礎上,將總體隨機地分成兩個子總體,視每個子總體取自不同的線性超總體,在文中,我們利用計算機實現隨機分組,並通過畫圖比較各方法估計量的穩定性,結果表明,對變異系數c . v . ( x )較大的總體而言,兩個超總體之間的微小差異將對估計量的穩定性產生很大的影響,從而說明rao和bayless的比較結果還不夠完善。
  17. During the same debate, another legislative councillor martin lee presented the results of 9 territory - wide probability sampling surveys on the question of direct elections in 1988, to confront the agb mcnair results

    李柱銘議員在同一辯中,亦指出9份民間進行的意見調查,得出與政府委託調查完全相反的結
  18. The theories and application methods of some quality control techniques are introduced briefly, such as statistical sample, measurement system analysis, evaluation of measurement uncertainty, fault tree analysis bind even tree analysis, and their application in ndt & e is discussed

    簡要介紹了統計、測量系統分析、不確定度評定,故障樹與事件樹分析等質量控制技術的理及應用方法,並結合無損檢測與評價過程進行了討
  19. Monte carlo is a method that approximately solves mathematic or physical problems by statistical sampling theory. when comes to bayesian classification, it firstly gets the conditional probability distribution of the unlabelled classes based on the known prior probability. then, it uses some kind of sampler to get the stochastic data that satisfy the distribution as noted just before one by one

    蒙特卡羅是一種採用統計近似求解數學或物理問題的方法,它在用於解決貝葉斯分類時,首先根據已知的先驗概率獲得各個類標號未知類的條件概率分佈,然後利用某種器,分別得到滿足這些條件分佈的隨機數據,最後統計這些隨機數據,就可以得到各個類標號未知類的后驗概率分佈。
  20. In the modulation / demodulation circuits, cpld is selected as platform of the digital logic part, which includes series - shunt / shunt - series transform, difference coding and sample verdict

    調制/解調電路中,串並/並串變換、差分編/解碼和判決等數字邏輯部分是以cpld作為開發平臺,文給出了實現上述功能的vhdl程序及模擬、測試結果。
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