組平均數法 的英文怎麼說

中文拼音 [píngjūnshǔ]
組平均數法 英文
method of group averages
  • : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : 數副詞(屢次) frequently; repeatedly
  • : 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...
  1. A variety of methods including the tabular comparison of data, the tabular comparison of similarity coefficient, the nearest neighbor method and the group - average method of hierarchical agglomerative classification were applied to investigate the forest communities in meizi lake area

    森林植被樣地中以喬木層樹種的重要值為指標,採用紙條排隊、群落相似系分類、最近鄰體對梅子湖森林植被樣地進行量分類。
  2. According to the variation, features of the integrand, the values of peaks and troughs are taken out and formed a slowly convergent series, and the repeated averaging scheme is performed to calculate the limit rapidly and accurately

    根據被積函的變化特點,將波峰和波谷值抽取出來成慢收斂序列,利用重復快速而準確地求出其極限值。
  3. According to the mean message traversal, the performance of leo / meo mobile satellite communication networks with intersatellite links ( isls ) is analyzed in this paper. three different traffic patterns are used in the analysis. if the isl number per satellite increases, the advantage of packet switch is more significant than that of circuit switch

    本文提出了一種基於信息傳輸距離的中/低軌衛星移動通信系統星際鏈路網路性能的分析方.根據三種不同的業務分佈模型對繁/簡兩種網路的信息過網時延和呼叫丟失率進行了分析.通過增加網路中每個節點星際鏈路的目可以改善網路的性能,而且這種改善對採用分交換的系統比採用電路交換的系統大
  4. Management data, boston, usa, 1984, pp. 47 - 54. 3 beckmann n, kriegel h - p, schneider r, seeger b. the r - tree : an efficient and robust access method for points and rectangles. in proc

    對cdt索引來說,首先高維據點通過k聚類演算得到若干類,然後分別計算該點對應的始點與質心距離,並且將這兩個距離通過線性合得到該點的復合索引鍵值。
  5. The innovations of this thesis can be summarized into three points. firstly, the average relative velocity is introducd into a novel adptive weighted clustering algorithm as one important parameter of weight, then it increases the stability and self - adaptability of cluster head. secondly, a new approach to calculating weight is suggested by integrating subjective and objective factors. it is verified by comparison with other approaches to selecting weight. thus the velocity of weight responding to the changes of network topology is increased. finally, using a som neural network to create a classifying model enables every node to learn to identify by itself the role in manet

    本文的創新點有三個:首先本文在wca和aow分簇演算的基礎上,引入了相對移動速度作為權值重要的參,提出了一種新的基於權值的自適應分簇演算,提高了簇頭在移動中的穩定性和自適應性;其次,提出了利用主客觀綜合賦權確定權重的權值計算方,通過與其他權重選擇方比較,網路結構變化的權值響應速度得到了改進;最後,論文利用自織特徵映射神經網路建立分類模型,使得網路中的節點可以自學習地確定簇中角色。
  6. This thesis elucidates and analyses the key techniques and rules of aolr in detail, and introduces its simulation modeling of the integrated system infrastructure and each function modules. through systematic simulation of aolr in the performance of packet delivery rate, average end - to - end delay, average route set - up delay, routing overhead, and etc, the key techniques and algorithms are testified and can provide reference for practical system design and application

    通過對基於蟻群優化的負載衡路由協議系統的模擬,從據分成功遞交率、端到端時延、路由建立時延、路由開銷等性能的模擬據和曲線上,分別驗證了該系統中的幾項關鍵技術和演算
  7. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  8. Based on many references, a evaluating function is proposed with performance index of hall call waiting time ( hwt ), people number in a car, energy consuming. the statistic approximation algorithm for hwt is introduced, based on the analysis of elevator traffic state, the calculation of traveling distance and stop number is explained in detail in the thesis. according to the characteristics of the elevator, a group of elevator teaching signals are constructed, by which the weight coefficients are trained according to the widrow - hoff rule

    本文在借鑒了大量的文獻基礎上,提出以等候時間、轎廂人、能源消耗為性能指標的評價函;詳細介紹了乘客待梯時間hwt的統計近似演算;基於對電梯交通狀況的分析,對停層次和運行距離這兩個重要參的計算進行了詳盡的介紹;依據電梯運行特性參,構造一電梯運行教師信號,並採用神經網路的widrow - hoff學習規則訓練權系
  9. Then, with the concept of accumulated failure probability, the proposed approach combines the least ? quares method with bayes " theorem, takes advantage of the parameter estimation for single weibull distribution to each derived subgroup data set, and estimates the parameters of each subpopulation. the estimates given by this paper also satisfy the maximum likelihood equation. the mean time to failure and the reliability estimation of the mixed population are given

    然後通過利用累積失效概率等概念,對每個導出的子據集聯合運用最小二乘、貝葉斯定理和對單一威布爾分佈的參估計,從而得到每個子總體的滿足極大似然原理的參估計,給出了該混合總體壽命和可靠度的估計。
  10. On the basis of the safety system engineering theory. applying the dow fire & explosion index and the normal stability gauss mathematical diffusion model etc., combining with the practice of mouping port, the hazards during the handling and storage of liquid chemicals in bulk have been analyzed and the risks of fire explosion and leakage ( including water pollution and water pollution ) have been assessed. taking into account of insufficient consideration of the human factor in the dow fire & explosion index, the soft compensation coefficient has been raised

    本文以安全系統工程為理論基礎,運用道氏火災爆炸指運動方程以及常穩態高斯學擴散模型,結合牟港散化運輸、裝卸的實際,對牟港散化儲運的火災爆炸危險性和毒物泄漏危險性(包括水污染性和大氣污染性)進行了定性和定量的分析評價。在評價程序上,針對道氏火災爆炸指中對人為因素和管理水等考慮不足的問題,提出了軟補償系的概念,找出了散化碼頭日常監督管理工作的重點。
  11. Axial load composed of five main kinds of vehicles was gained by eye - observing, and then the mean exchange coefficients of each kind of vehicles and equivalent standard axle load were obtained

    利用目測得到各類車輛軸載成,通過分析得到各類車輛軸載換算系,然後求得標準軸載作用次,採用空間換時間方,最後建立了四個地區不同交通量等級下的路面使用性能預測方程。
  12. Then its optimization basis is given through optimal function and its mathematical properties are discussed in the end

    通過構造最優化函進一步探討了廣義加權算術合預測的最優化理論依據及其學性質。
  13. The above algorithm forms a double - two - stage iteration, as following : the results of monte carlo stimulation show that the double - two - stage iteration algorithm is more effective than empirical logistic regression after item and ability parameters recovery study. there are three advantages about the new method : first. the new method can be applied to estimate fewer items ; secondly, a test including fewer unusual response patterns can also be evaluated ; thirdly, the results compared with homogeneous software dealing with 2plm are accepted using mean absolute error as the criterion

    這種新方有以下三個優點:項目很少時參估計的結果也較穩定;能處理測驗中含有少量特殊反應模式(見第二章)的參估計;以估計值和真值之差的絕對值(方)的值作為估計對真值的修復能力為指標,新方的參估計結果與同類流行軟體相比,修復能力不相上下;特別地,新的參估計方可以用於多級評分項目gpcm ,並為估計題項目開辟了另一條道路。
  14. Based on the three prediction models, the combined forecast is conducted using the separate solutions of moving average, exponential smoothing and gray prediction to investigate whether the combined forecast model matches the sales volume prediction of truck wooden boxes

    最後採用合預測之三種預測模型,將移動、指、灰預測所求得之解作合預測,以探討合預測模型是否適合木製框式車身的銷售量預測。
  15. Use the method that form couples the design. the experiment set is in accordance with the matched control press the age differ 2 years old or soly, the mii period oocyte differ 21y or soly, coh project the similar proceeding in cause of infertility forms couples. experiment method controlled ovarian hyperstimulation was undertaken using subcutaneous buserelin acetate in a long protocol combined with gonal - f

    用配對設計的方於2002年9月至2003年2月在沈陽市婦嬰醫院生殖中心就診的ivf - et患者中選擇30例年齡在25歲- 35歲,年齡( 29 . 5 3 . 1 )歲,取卵在10枚以上,取卵( 13 . 8 3 . 1 )枚,作為對照,進行卵裂期胚胎移植。
  16. A important result is the one - orde r expression of ar ( p ) yt = dyt - 1 + e, from paralleling a high - order differential equation transformation into a one - order differential equation system, the one - order expression exposes that the ar ( p ) is only a certain more - multivariable power series process and, if a process is described as an ar ( p ), the sufficient and necessary condition is the spectrum norm a of the coefficient matrix d less than one. simplification of ar ( p ) not only brings about orthogonal f ( h ) but also provides global foretelling formula

    作者用高階微分方程化一階微分方程的方,獲得多元弱穩序列p階自回歸模型的一步滑動表達式,證明了ar ( p )的是一個更高維的冪級的線性過程,從而,說明了ar ( p )關于序列依概率成立的充要條件是:該模型更高維的冪級的線性過程的表達式中系矩陣d的譜范1 。
  17. In analog input channel, the combination software filter is applied to obtain more credible data as possible, and median voting circuit module is adopted in output channel to gain accurate outputs

    在模擬輸入通道中採用中位值濾波和遞推濾波的合演算,來獲取盡可能可靠的輸入據,在模擬輸出通道中則採用中值表決電路通用模塊實現正確的模擬輸出。
  18. The purpose of this paper is to find out the characteristics of corporate restructuring and reorganizations under the background of strengthened supervision and improved accounting standards in 2001. using financial data on chinese public firms that had performed restructurings in 2001, this paper studies the impact of restructuring activities on firms " performance. it finds that performance of sample companies are better than the market average both before and after restructuring, but financial ratios does not improve obviously, what ' s more, the roe ratios even drop generally, which are very different from the characteristics during the past few years

    本文採用以財務據為基礎進行評價的方,對2001年上市公司資產重進行研究發現,從資產重的方式來看,收購兼并所佔比重最高,業績較好的公司偏向于選擇這種重方式,而資產置換、股權轉讓仍為績差公司所青睞;從重前後財務指標的變化來看,重公司表現優於市場,但與往年重公司當年業績即得到明顯提升不同, 2001年重公司財務指標並未得到顯著提高,凈資產收益率更是全面下降,統計對比不支持上市公司利用資產重調節公司績效的觀點。
  19. Conclusions as following have got through test study : ( 1 ) when impact compaction technology is applied to treat collapsible loess subgrade, the effect depth may be treated generally can not override 80 cm and impact compaction pass is optimum at 30 times. ( 2 ) for stratified impact compaction of subgrade, when compactness of each level reaches codeslstandards loose laying depth of 80 cm fits 40 impact compaction pass is the optimum combination of subgrade construction. when average compactness in each level reaches codeslstandards loose laying depth of 80 cm fits 30 impact compaction pass is the optimum combination o ( 3 ) the quality control method may request impact compaction pass as the main control index and at the same time the final division settlement is less than 10 % of total settlement as large area subgrade is constructed

    通過試驗研究主要得出如下認識:沖擊壓實技術處理濕陷性黃土地基時,其有效處理深度一般不超過80cm ,沖壓遍以30遍左右為宜;對路基分層沖壓,在要求土體中各點壓實度達到規范要求時,路基沖壓最佳合為虛鋪厚度80cm 、沖壓40遍;在只要求土體壓實度達到規范要求時,路基沖壓最佳合為虛鋪厚度80cm 、沖壓30遍;大面積施工時,質量控制方可按照在以沖壓遍作為主要控制指標的同時,要求最後10遍分計沉降量小於累計沉降量10 ;在施工單位自己購置沖擊壓實機情況下,與傳統施工相比較,沖擊壓實技術是一種既能節約資金又能大量縮短工期的施工方
  20. In this paper, some mathematical methods used to forecast the income of intangible assets are compared, in which we find some mathematical methods ( the forecasting model in time sequence, exponential smoothing estimation method, regressive model ) are not same with the valuing intangible assets, grey model and s - curve model are good to valuing intangible assets. in the base of this, combinatorial model is brought forward in order to make up the limitation of other mathematical me thods

    本文將無形資產收益額的預測方進行比較,發現常用的預測方、指、移動和回歸預測模型)在預測無形資產收益額是存在很大局限性,而灰色預測模型和成長曲線模型能充分放映無形資產的收益曲線,在進行比較的基礎上提出合預測模型,以彌補各種方的缺陷。
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