特性抽樣法 的英文怎麼說
中文拼音 [tèxìngchōuyàngfǎ]
特性抽樣法
英文
attribute sampling- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 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
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
- 抽樣 : [統計] sample; sampling; specimen; samples draw
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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。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。Aerospace series - space systems - fluid characteristics, sampling and test methods - nitrogen tetroxide propellants
航空航天系統.航天系統.流體特性抽樣和試驗方法.四氧化氮推進劑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。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。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。The present study aims to examine : ( 1 ) the general characteristic of bully / victim problem in primary and junior middle school ; ( 2 ) how children school behavior, peer relationship, self - esteem, loneliness, depression, anxiety vary across gender, grade, bully / victim status ; ( 3 ) how well can the frequency and duration of bullying / victimization predict children ' s school adjustment and mental health. date were collected via a questionnaire battery and social competence scale. the participants were 827 students from grade 3, 5, 7, 9 in the four primary and junior middle schools
本研究探討的主要問題包括中小學欺負發生的基本特點,不同性別、年級、欺負受欺負地位兒童的學校行為、同伴關系、自尊、孤獨、壓抑、焦慮等各方面的特點,兒童欺負受欺負頻次及持續時間對兒童的學校行為、同伴關系、自尊及心理健康狀況的影響,本研究採用分層整群抽樣法,用問卷法( olwues欺負問卷、自尊問卷、焦慮量表、壓抑量表、孤獨量表)和社會測量法(班級戲劇、同伴提名)對827名中小學生(包括小學三、五年級和初中一、三年級)進行了調查。The former combines enumeration and sample technique and is easy to implement, but only definite failure modes are simulated, which may be inaccuracy with bulk power system in which high order failures and protection failures are the main cause to instability
基於蒙特卡羅抽樣的概率穩定模擬演算法可以考慮電力系統的高重隨機故障,並考慮故障間的相關性。模擬法可以模擬多重、連鎖故障對系統暫態穩定性能的影響。The standard rejection sampling method which is introduced in chapter 2 is closely related to the problem of quasi - monte carlo integration of characteristic functions, whose accuracy may be lost due to the discontinuity of the characteristic functions
第2章介紹的標準拒絕抽樣方法其實跟特徵函數的蒙特卡羅積分有密切的關系。而由於特徵函數的不連續性,蒙特卡羅積分應有的誤差精度就達不到,拒絕抽樣的效果也就受到影響。It is the researchful purpose of this paper that the methods of appraising the existing structural reliability basing on own information are found, which will impel the methods of appraising the existing structural develop from applied methods to probability methods. the contents of this paper have mainly four, including : firstly, the normal value of permanent load in the existing structure is ascertained by the way that is called bayes - small capacity, which considers the dates of design and the road - test dates. secondly, by introducing the random variable that is statistical ambiguity, the statistics of loading and resistance of existing structure are researched
本文研究目的是針對現有結構的特點,建立基於自身信息的現有結構可靠性的實用評定方法,推動我國的現有結構可靠性鑒定方法由實用鑒定法向概率鑒定法發展,主要研究內容包括四個方面:一、結合結構原設計數據和現場抽樣實測數據,研究了恆載標準值的統計推斷方法,提出bayes小樣本統計推斷方法;二、利用統計不定性隨機變量,結合現有結構的特點,提出荷載、抗力變異性的小樣本統計推斷方法;三、分析了現有結構抗力變異性的主要影響因素,並利用實測數據進行了實例分析;四、針對現有結構自身的荷載、抗力統計特性,研究了現有結構承載力的校核表達式,對恆載、抗力分項系數提出修訂建議,建立了基於自身信息的現有結構可靠性實用評定方法。On the basis of 3d modeling and virtual prototyping technology and energy saving transformation method for parameterized simulation moving beam typed oil suction pump, and using the eccentric gear reducer to replace the ordinary gear reducer to let the driving radius of eccentric gear be kept a variation of similar tendency with the load of crank in order to improve load property of the motor, thus raised the working efficiency of the entire oil suction pump and achieved the effect of energy saving
摘要基於三維建模和虛擬樣機技術,參數化模擬游梁式抽油機節能改造方法,用偏心齒輪減速器代替普通齒輪減速器,使偏心齒輪驅動半徑和曲柄負載保持同趨勢變化,以改善電機負載特性,提高整個抽油機的工作效率,達到了節能的效果。This paper studies the typical two - unit series maintained system, the distributing of the units life have been known. by random sample to the life of units and simulate with computer, uses monte - carlo method, counts the failure time of every unit, and failure rate - the reliability character of two - unit series system is derived, together with its curve
摘要研究了典型的兩元件串聯的可修系統,在已知元件的壽命分佈的條件下,應用蒙特卡羅方法,對元件的壽命進行隨機抽樣並進行計算機模擬,通過統計每個元件故障的次數,得出了兩元件串聯可維修系統的可靠性特徵量故障率,並繪出了曲線。Methods : total 1607 college students were sampled from six universities / colleges of changsha city by stratified cluster sampling, 502 of these samples involved in this study by self - designed questionnaire, then 105of them were identified as piu by self - designed diagnosing scale, and measured by self - designed on - line general conditions questionnaire, social disability screening schedule, typical coping style questionnaire, eysenck personality questionnaire and scl - 90. results : 105 students are diagnosed as pathological internet users among 1607 interviewers, 89 of them are male, and the rest are female ; the average age of them is 20. 57 ?. 55
方法:採用分層整群抽樣方法,對長沙市6所高校的大學生採用自製大學生病理性網際網路使用篩查表進行篩查,對篩查出的病理性網際網路使用可疑者,應用自製大學生病理性網際網路使用診斷問卷進行診斷,並採用上網一般情況調查問卷、特質應付方式問卷、社會功能缺陷篩選量表、艾森克人格問卷神經質( n )分量表及癥狀自評量表( scl - 90 )進行評定。In the structure and mechanism reliability analysis, the monte - carlo method, the importance sampling method and the extended importance sampling method which is presented in this paper are applied into the t russ structure, the box structure, the shaft structure and the flexible four - linkage mechanism
無人戰斗機機體可靠性分析是對無人戰斗機上的結構、機構(桁架結構、盒式結構、轉軸結構以及四連桿機構等這些最基本的結構、機構型式)進行可靠性分析。分析時採用蒙特卡羅法、重要抽樣法以及本文提出的擴展重要抽樣法。Aerospace series - space systems - fluid characteristics, sampling and test methods - monomethylhydrazine propellant
航空航天系統.航天系統.流體特性抽樣和試驗方法.單甲基肼推進劑Objective to establish a complex pcr method and to investigate the genetic polymorphism and population difference of three loci on y - chromosome, so as to provide a database for forensic medicine casework. methods edta - blood specimens were collected from 163 unrelated males in han population in taiyuan. different tissues of one corpse were analyzed including blood, muscle, liver and kidney
方法( 1 )樣本採集:隨機抽取163名太原地區漢族無親緣關系的男性個體的靜脈血, edta抗凝,進行dys390 、 dys391和dys393基因座等位基因及單倍型頻率分佈調查;採集同一屍體血液、肌肉、肝臟、腎組織進行同一性檢測;採集20例兩代家系血進行突變觀察;取20例女性個體血進行男性特異性檢驗。Aerospace series - space systems - fluid characteristics, sampling and test methods - kerosine propellant
航空航天系統.航天系統.流體特性抽樣和試驗方法.煤油推進劑The main goal of the work is to build a quantitative model for the system and to provide a sound method of the system establishment. in this research, we first study the characteristics of the internet service industry ; developed the performance and the compensation system. then, generalized the factors who have evident effects on the level of compensation
在此基礎上,分析網路服務企業的經營特性和發展趨勢;使用抽樣調查法了解目前網路服務行業的薪酬制度,並分析其有效性;闡述完善薪酬制度對企業發展的影響,從而歸納出目前我國的網路服務企業在薪酬設計中普遍面臨的問題。分享友人