點樣抽樣法 的英文怎麼說
中文拼音 [diǎnyàngchōuyàngfǎ]
點樣抽樣法
英文
point sampling method- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 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
- 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) ...
- 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...
- 抽樣 : [統計] sample; sampling; specimen; samples draw
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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
本文首先討論了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、時域抽樣、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。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。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。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基礎上,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,建立了基於產品質量多變異的抽樣方案的數學模型,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。Extraction of large - fragment genomic dna in order to gain dna template of pcr amplification ( long pcr amplification and salvage pcr amplification ) which was high purity and large fragment, three methods were used to extract genomic dna of bacillus subtilis, i. e. low melting - point agarose embedding method, sds - proteinase k - phenol chloroform extraction method and bacterial genomic dna extraction kit method. the genomic dna of bacillus subtilis were gained by these methods, and the operated programs of the methods were improved. the results showed that the genomic dna extracted by low melting - point agarose embedding method were obviously biggest than that of another two methods
大片段基因組dna的提取為了獲得用於pcr擴增(長距離pcr擴增和分段pcr擴增)的高純度、大片段(至少為pcr產物長度的4倍)的dna模板,應用三種方法:低熔點瓊脂糖包埋法, sds -蛋白酶k -酚氯仿抽提法和細菌基因組dna提取試劑盒法,分別提取獲得了枯草桿菌基因組dna ,並對3種方法的操作程序進行了不同程度的改進,結果表明:低熔點瓊脂糖包埋法提取的基因組dna片段明顯大於后兩種方法,採用0 . 5瓊脂糖凝膠電泳3h ,仍然跑不出加樣孔。Zeng weiming, wang zhengyou, fang zhijun, wu shiquan, one novel subspace - based method for mrs signal parameter estimation, the 6th world congress on intelligent control and automation ( accepted for presentation )
曾衛明,梁曉雲,羅立民.一種基於信號極點先驗知識和隔點抽樣的磁共振波譜參數估計方法,計算機學報(錄用) 。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。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 strategy that smcc ' s expands the market by developing new customers is marketing ' s concept as the goal of retention customer. 2. designed the investigation model for smcc customers " satisfaction, and the sample method and sample frame
本文在分析和研究中有以下幾點創新: 1 、首次提出了以維系客戶為目標策略的移動服務營銷理念; 2 、設計了四川移動用戶滿意度調查模型和抽樣方法。Through questionnaire, we know the present situation of secondary school teachers ' understanding of self - regulated learning, and give our solutions on these questions. to make the investigation representative, this research adopts the way of the stratified random sample and in the three different levels of schools in the whole city - high quality, medium quality, low quality
為保證調查取樣的代表性,本研究採用分層隨機抽樣法,即按照重點學校和非重點學校,非重點學校又分為較好的學校和較差的學校的標準,在全市中學中隨機抽取300名一線教師,進行實測。Based on the above qualitative studies, combining the data collected from the social typical sampling investigations with the reliability analysis by using methodology of symbolic statistic, an evaluation methodology for the key property on the technology of food security in quality was explored, finally case studies of the evaluation methodology for the key property on the technology of food security in quality were conducted, important technology types and categories for the food security in quality were selected in the view of strategy, and series of countermeasures for macroscopic development of the technology of food security in quality were also put forwarded
然後,通過社會典型抽樣調查(專家問卷法)得到第一手數據,運用sas 、 excel和灰色關聯分析等數理統計與分析方法,對問卷的可靠性進行了研究,建立了食物質量安全技術「關鍵性」的評價方法,並進行了實證評價分析,對我國食物質量安全技術的重點技術類型、關鍵技術種類等進行戰略選擇,提出了我國食物質量安全關鍵技術的一系列宏觀發展對策。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。Adopting a method of sampling, choose nine points in upper, middle and lower reaches respectively to get water samples
採用抽樣調查方法,在流域的上中下游分別選取九個點取水樣。The following merits can gain by using the clustering method : a. the sampling quantity can be reduced by using the method to test the segmentation of the large - scale corpus ; b. the testing precision can be improved and the variance of population can be estimated more exactly
與已有的簡單隨機抽樣方法相比,本文提出的方法在大規模語料庫分詞質量評價時,有如下優點; a通過聚類得到語料庫抽樣樣本分詞正確率的分層知識,進而在檢驗中運用分層抽樣帶來的增益減少檢驗的費用: bAccording to the hierarchical random sampling method, we select three areas which are jinan, taian and dezhou. in order to know the morality present situation, then some teachers and students were chosen among the 49 the senior middle schools in jinan, 35 ones in taian and 30 ones in dezhou as research objects
利用分層隨機抽樣的方法從高、中、低三個層次抽出濟南、泰安、德州三個地區,然後再從濟南市49所高中、泰安的35所高中、德州的30所高中中分別隨機分別抽出兩所高中(分重點和非重點)的體育教師、學生為研究對象,依此來了解山東省體育教師的道德現狀。Based on brorrowing home - abroad current situation and their experiences of finance in sme, it has deeply investigated and studied the current financial situation of sme with many survey methods, such as governmental information reaction, experts " consultation, forums investigation and questionnaire methods etc, and concludes the current situation, main characteristics and facing challenges of heilongjiang province etc. it clearly points out the main problems that have existed in the whole province for a long time. i. e. singularity of financial means, not smoothing of financial channel, lack of small - medium sized financial setup and environmental difficulty of social credit
該項調查在借鑒國內外中小企業融資現狀和經驗的基礎上,採用政府信息反饋、專家咨詢、抽樣調查、典型調查、座談調查、問卷調查等多種調查方法,對黑龍江省中小企業融資現狀進行了深入的調查與研究,總結出了黑龍江省中小企業融資現狀、主要特點、面臨的形勢;明確指出存在的主要問題,即融資手段單一,融資渠道不暢,中小金融機構不足,社會信用環境差;得出了黑龍江省中小企業融資難的結論。Therefore, we study on the survey method for the statistics of whole industry waterway transportation volume based on the basic units of ships management and waterway traffic safety superintendence - port and waterway superintendence units ( pws units ). in this dissertation, we mainly studied and solved the following three problems : 1
由此對依託我國的水上安全監督和船舶航行管理的基層單位? ?港航監督所、監督站和監督點(以下簡稱為:港航監督所站)開展全行業水路運輸量統計調查進行了研究,本論文重點研究和解決了方案設計中以下三方面的問題: ( 1 )依託港航監督所站,進行全行業水路運輸量抽樣調查的具體方法研究和篩選。Abstract : to settle the numbers of groups, the moth and features of group sampling are analysed, and its estimator is goven. then using cauchyschwartz unequility, it seeks the best apportion with finite cost
文摘:為了確定分類抽樣的各類單位數,分析了分類抽樣的抽取方法和特點,同時給出其簡單估計,然後利用柯西-施瓦茨不等式推導出在給定調查費用情況下的最優分配It indicated that 76. 5 percent of positive frequency of all the plants was achieved by using southern dot hybridization, 87. 5 percent of the plants with gus positive activity was gotten by pcr southern blotting and 42 percent of the plants with gus positive activity was gotten by southern blotting
轉基因卡那黴素抗性植株中, gus表達陽性率為43 ,隨機抽樣的方法進行殺蟲肽和npt基因的pcr檢測陽性率均為100 。經過分子生物學檢測表明, southern斑點雜交76 . 5植株表現陽性。At first, ploygon aggregate structure of concrete is randomly generated in two - dimensional plane with monte carlo method on the meso - level. then, the growth process of a crack of concrete 3 - point bending beam specimen is analyzed by fem, according to the criterion of maximum circumferential tensile stress. and the path of crack to spread in mortar, aggregate and interfaces of them is gained by the ultimate fracture criteria in construction standard that the width of crack should not be more than 0. 2mm
首先,在細觀層次上,根據蒙特卡羅隨機抽樣原理,在二維平面上建立了混凝土多邊形隨機骨料結構模型,然後採用有限元計算方法,根據最大周向正應力準則,對三點彎曲梁構件進行了開裂過程的模擬,並以建築規范中構件裂縫小於0 . 2mm的要求為最終破壞標準,得出了裂紋在基質、骨料及界面的擴展路徑。分享友人