抽樣基礎 的英文怎麼說

中文拼音 [chōuyàngchǔ]
抽樣基礎 英文
sampling basis
  • : 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
  • : 名詞(墊在房屋柱子底下的石頭) plinth
  • 抽樣 : [統計] sample; sampling; specimen; samples draw
  1. Combining the generating method of molecular reflective thermal velocities according to diffuse reflection model, an algorithm named as inverse temperature sampling ( its ) is developed, which enables to evaluate the molecular reflective characteristic temperature from the molecular incident energy and the boundary heat flux

    在此上,通過結合壁面漫反射模型下分子反射速度的方法,發展了一種從邊界熱流求得與壁面碰撞分子的平均反射特徵溫度的逆溫度演算法。
  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,以統計方法為依據的原材料入廠復驗項目優選系統等。
  3. 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本理論,為其它演算法的研究提供了必要的
  4. First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter

    於中頻采的軟體無線電結構框架下,首先詳細探討了軟體無線電的前提條件,即如何對連續時間信號進行采量化,比較分析了幾種采的方式,其中最為重要的是帶通信號采定理;然後探討了軟體無線電的一個重要,即多采率信號處理,重點討論其最本的兩個過程取和內插以及取器和內插器的實現;接著介紹了結構簡單、適用於一級取的cic濾波器和適用於做2倍取的半帶濾波器;再次論文在總結了傳統的調制解調上,結合軟體無線電器件的特點,系統的探討並實現了於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。
  5. 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本理論,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知識。
  6. Phytosociological description of vegetation has always been found on field sampling alternating with studies of the releves at home.

    植被的群落學描述已經常以野外來取代室內地記錄的研究。
  7. 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,本文於國家自然科學金重點資助項目「現代製造質量控制、溯源若干問題的研究」 (項目編號: 59375254 ) ,重點對其中的子課題? ?零廢品控制理論和技術進行了深入的研究。論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上,對統計質量控制的幾個關鍵問題進行了詳盡的討論,提出了質量控制界限的確定方法,建立了於產品質量多變異的方案的數學模型,利用模糊識別理論對質量控制圖工序加工狀況進行了判別。
  8. 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. )

    本文首先從理論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。
  9. Article 10 statistical investigation shall be conducted to collect and sort out basic statistical data mainly through regular sampling surveys on the basis of cyclic general surveys and supplemented by statistical reports, major surveys and comprehensive analysis

    第十條統計調查應當以周期性普查為,以經常性調查為主體,以必要的統計報表、重點調查、綜合分析等為補充,搜集、整理本統計資料。
  10. Based on the review of and comment on the concepts and theories of attitude and travel attitude and the current research situations about travel attitude, according to three element theories of the attitude, by way of random sampling of strata, the paper has carried on measurement of travel attitude of zhengzhou city, wuzhi county and yuanyang county resident. in writing this paper, the author designed a travel attitude inventory, which had been proved to be of good reliability and validity. then it carries on factor analysis and cluster ' s analysis to the measurement

    本研究在對態度、旅遊態度的概念、理論和旅遊態度的研究現狀進行述評的上,依據態度的三元素理論,採用經過信度、效度檢驗的自編旅遊態度問卷,以分層隨機的方式,對鄭州市、武陟縣和原陽縣居民的旅遊態度進行了測量,並對測量數據進行因素分析和聚類分析。
  11. To obtain the prior distributions of parameters by bootstrap, i proposed the integrated sampling method to generate bootstrap samples. the method simulates a markov chain to describe the state changing procedure based on the failure time sampled by monte carlo method. and the posterior distributions of parameters are obtained by markov chain monte carlo ( mcmc ) method

    為了應用自助方法確定參數驗前分佈,提出了運行故障時間和狀態的綜合方法生成自助本,該方法於試驗數據用蒙特卡洛方法對故障時間進行,在故障時間值的上,模擬馬爾可夫鏈表示系統狀態變化過程。
  12. This system is set up on the existing search engine foundations through web services " technology, has solved variety and non - structural web data with xml technology, has formed web multi - level data base, and constructed the system structure in high performance of data warehouse, utilized midas technology to form the high - performance index storehouse structure, has remedied the deficiency of search engines at coverage, accuracy etc, and improved efficiency of information retrieval

    該系統通過webservices技術,建立在現有搜索引擎之上,以xml技術解決了多性和非結構性的web數據轉換,形成了web多層次數據庫,利用了web挖掘面向結構化或半結構化數據的智能化數據取和知識發現過程,並且構造了數據倉庫的高性能查詢體系結構? hpqs ,利用midas技術形成了高性能索引庫結構,彌補了當前搜索引擎在覆蓋范圍、準確率、復雜查詢語言的使用和結果表現方式等方面的不足,改善了信息檢索的效率。
  13. The bottleneck of hybrid filter banks adc system is that it cannot sample directly higher radio frequency signal because of lower analog input bandwidth of its adc. in order to remove it, a kind of downsampler model based on nyquist and bandpass sampling theorem is presented, analyzed and proved in time and frequency domain, in addition a downsampler is designed according to the model. on the basis of hybrid filter banks adc system, a class of high speed hybrid filter banks adc system is proposed

    針對混合濾波器組adc系統因其adc模擬輸入帶寬低而不能對頻率較高的射頻模擬信號進行模/數轉換的瓶頸,作者提出了一種於nyquist采定理和帶通采定理的取器數學模型,對該數學模型進行了時域、頻域的分析證明后,設計了一種於該數學模型的sha取器,進而在混合濾波器組adc系統的上,提出了高速混合濾波器組adc系統。
  14. In order to manifest how the main bodies react to each other during the spin - off process of new ventures ; we theoretically summarize and analyze the modes of resources distribution on the basis of sample investigation

    調查的上,本文還對我國學術型高技術企業衍生過程的要素組合模式進行了理論總結和分析,較全面地反映了在新企業衍生過程中各要素主體相互作用的各種方式。
  15. On the basis of the previous work, the mini - sized soxhlet extraction set with a hot reflux device is adopted to enhance the recovery of samples and diminish the loss of light components in the tested samples

    並在前人工作的上,改進採用微型索氏提加熱迴流實驗裝置,既提高了品的回收率,也減少了品中輕組分的損失。
  16. Sampling procedures for inspection by attributes - double sampling plans using minimal sample sizes, indexed by producer ' s risk quality and consumer ' s risk quality

    計數取檢驗程序.分批檢驗時控制出廠質量的以信任為的零驗收計劃
  17. The thesis is focused on above associated issues. ransac algorithm is a classical method of robust model parameter estimation. a preview model parameters evaluation ransac ( peransac ) algorithm is developed, which introduces a preview model parameters evaluation in the ransac algorithm, and results in better performance since the worse contaminated samples are discarded with guaranteeing the same confidence as ransac

    隨機一致性( ransac )演算法是一個經典的魯棒性模型參數估計方法,本文提出了於預檢驗的快速隨機一致性( peransac )演算法,通過對模型參數預檢驗,在保證計算結果置信度的上,刪除明顯錯誤的模型參數,減少參與檢驗的模型參數數量,進而提高演算法的整體效率。
  18. In this study, two methods were used to estimate the urban vegetation coverage from remote sensing data : automatic classification of merged tm images and spot images ; interpretation of mixed pixels of tm images

    並對ikonos影像在圖像增強的上採用系統和目視勾繪植被信息的方法取得研究區的植被覆蓋率數據,作為評價融合分類和分解效果的依據。
  19. Pedagogy and educational psychology are the guiding theory of this research. in terms of the preceding situation this thesis, on the basis of inspecting the corresponding learning difficulty research, uses the questionnaire, analyzes the cause of mathematics learning difficulty according to the students ' questionnaires of some high schools in yongzhou, generalizes the mlds ' s affective characteristics and argues the relevant objective of affective cultivation and its corresponding tactics

    本文即針對這種情況,以教育學習理論、教育心理學為指導,在考察了國內外已有的研究上,採用問卷調查的方法,對永州市幾所高中進行了調查和分析,從中概括出了高中數困生的情感特徵,並由此提出了相應的情感培養目標及其教育對策。
  20. The survey was completed on the basis of combining stratified sampling and random sampling, collecting 1005 valid samples in total

    調查在分層逐級法與隨機法相結合的抽樣基礎完成,共收集有效本1005個。
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