有效性指數 的英文怎麼說

中文拼音 [yǒuxiàoxìngzhǐshǔ]
有效性指數 英文
validity index
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 指 : 指構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 有效性 : availability; effectiveness; validity; significance有效性檢查 validity check
  • 有效 : effective; valid; efficacious
  • 指數 : 1. [經] （比數） index number; index 2. [數學] exponent
  1. Based on the theory of unsaturated soil mechanics and the properties of compacted expansive soil, this paper takes the northern part k12 + 840 - k12 + 920 of nanning urban highway as an example to studies some aspects of lime improvement of expansive soil and the technology of construction. the chief content of this paper is : the lime improvement mechanism of expansive soil ; confirm the technical parameters of lime mixed from the results of test in laboratory ; the scale - down test to define the maximum effective grain size of expansive soil when it is improved by lime ; by building bank slope model and making use of finite element seepage flow program of saturated - unsaturated to calculate the examples, this paper simulates the humidity site in order to checkout the effect of lime improvement ; studies and proves that it is feasible to mix blocky expansive soil and pulverous lime, and to fill roadbed by common construction machines etc.

    本文研究的工作就下述幾個方面展開：用石灰改良膨脹土的機理；通過室內試驗確定摻灰的技術指標；在室內進行膨脹土摻灰的最大有效粒徑的模擬試驗，即鈣離子水試驗，由此總結出「粉?塊」灰?土攪拌工藝的有效性、合理性和可行性；用數值方法對路堤使用期的濕度場進行模擬，並與路堤的強度?變形的計算域耦合，以檢驗土性改良的效果，從而探索一種描述改良膨脹土路堤運行工況的數值方法；用現有最常用的且費用最低的施工機具，對灰?土進行「粉?塊」攪拌摻和及路基的填築施工等。
  2. Consequently, i applied the r / s analysis on the composite index of shanghai stock exchange and component index of shenzhen stock exchange from 1996 to 2001, to study the fractal structure of csms. the result of the analysis shows that the returns of the indexes do not obey brownian motion, but follow a biased random walk with hurst exponent being 0. 63 and 0. 65 respectively. hence, we can conclude that the china ' s stock markets are not yet efficient informationally

    本文進一步運用重標極差分析法，分別對進入規范發展階段后的滬、深兩市股價指數日收益率和周收益率進行了分形檢驗，發現上海股票市場和深圳股票市場均具有分形結構，赫斯特指數分別為0 . 63和0 . 65 ，長期記憶周期分別為362天和2犯天，進而得出中國股票市場有效性水平較低的結論。
  3. The inverse analysis method based on model discerning and all these curve fitting methods are used to forecast settlement of xuzhou - suqian expressway after completing. the result from calculation and analyzed shows the thinking and the method in the paper are suitable, and it can be proved its rationality and feasibility in studying and forecasting settlement after construction of the embankment

    結合徐宿高速公路，進行了基於模型識別的路基沉降反演預測和各類曲線擬合法預測工后沉降的計算，通過計算驗證了模型識別反演預測思路和方法的適用性和改進指數法預測路基工后沉降的有效性和合理性。
  4. In appraisal items choosing, we divide the items into three categories : profits, risk adjustment, and fluidness. detailed appraisal items are also set up to mirror the funds achievement comprehensively. in appraisal method choosing, we adopt universality analysis and the common used data envelopment analysis ( dea ) together, i. e., analyze the score of the numbered items first, then use dea and the analyzing software ems to calculate the funds " relative validity and get a rank of fund comprehensive achievement, trying to reflect the funds items and performance objectively

    在基金的評價指標選擇方面：將基金的評價指標主要分為三大類：收益類、風險調整類和流動性類，並設定了細分評價指標，力求全面地反映基金的業績水平；在評價方法選擇方面：採用了一般性分析和基金評價中目前較為流行的數據包絡分析（ dea ）相結合的方法，即通過對指標的量化評分進行比較分析，通過數據包絡分析法，利用ems分析軟體計算基金的相對有效性，從而進行綜合業績排名，力求客觀地評價基金的各項指標和綜合績效。
  5. First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target

    本文結合空軍裝備部某「十五」預研課題，圍繞著戰術數據鏈、多機協同多目標攻擊、超機動攻擊、空對地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案，建議採用時分多址的工作模式，並利用移動自組織網路的概念構建數據鏈網路，同時針對數據鏈傳輸信息的時間延遲特性和指揮機指揮下的多機協同作戰特點，應用一種極坐標系下的卡爾曼濾波演算法對該傳輸延遲誤差進行補償，並在此基礎上進行目標運動參數的轉換，以獲得目標相對于某無人機的當前運動信息，且利用模擬驗證了方法的有效性。
  6. Secondly, the identification algorithms of road traffic status are studied including methods of determining floating car sample sizes which are based on “ the relationship between floating car sample sizes and accuracy of traffic information detection ” and “ the relationship between floating car sample sizes and requirement of road network information detection ”. the road traffic identification algorithm grounded on the journey - time is analyzed. besides, road traffic identification algorithm based on average speed is put forward and the validity of these two methods is analyzed in the thesis

    主要工作包括:從「浮動車數量與交通流信息檢測準確性關系」 、 「浮動車樣本數量與路網全方位信息檢測需求關系」兩方面對浮動車數量確定方法進行研究，給出了演算法模型;同時，分析了基於行程時間的道路交通判別演算法，提出了基於指數平滑法的平均瞬時速度道路交通判別演算法，並對兩種演算法的有效性進行分析比較。
  7. Making logistics in reason rests with making transport in reason in most extent. in view of three ration require, that is, long distance transport between one producing area and one customer, ration between one logistics center and multiple customers, ration among multiple producing areas, multiple logistics centers and multiple customers, this paper carry out synthetic analysis and discuss according to theory related operational research such as dynamic programming, chart theory and network analysis, transport problem of liner programming. many factors influence the selection of regional logistics center allocation

    影響區域物流中心選址的因素較多，論文根據模糊數學理論，對多因素決策問題提出用貼近度的方法比較被選地址與理想目標的接近程度，用層次分析法確定各評價指標的權重，與隸屬函數綜合成隸屬度，並用實例說明該方法的有效性。同其他方法相比較，綜合分析法可操作性更強。
  8. Through the simulation of the forming process, we can get the deformations, stress, strain, plastic flowing in sheets and the interface state under impact load and rolling load, the deformation of the sawtooth form and comparing to the initial state, the results above are expressed in computer animated way. and the effect of geometrical ( mainly different form, including 90 degree, isoceles triangle ， 75 degree, and 1. 5 high and wide ), material and technical parameters on the bond strength are analyzed, also including the comparison of different sawtooth form. the optimum parameters are got

    對雙金屬復合板成型過程進行模擬，從而得到在沖擊載荷和軋輥壓力作用下基板和覆板的應力、應變分佈和塑性流動變形規律，復合后的齒形的變形情況與初始齒形形成對比，以動畫的方式模擬成型過程，並分析了不同幾何參數（主要是不同的齒型，其中包括直角齒型、等腰齒型、 75度齒型、 1 . 5高寬齒型） 、材料參數、工藝參數對復合強度的影響，以及不同齒型的變形對比以及齒型對復合情況的影響，提出最優齒型、最優工藝參數，有效地指導了實驗。
  9. Abstract : the design problem of reduced - order state observer for a class of multi - input multi - output ( mimo ) nonlinear time - varying systems is studied in this paper. a new design method of nonlinear reduced - order state observer is proposed, and the exponential convergence is proved for the proposed state observer. the observer has the characteristics of that the speed of convergence is adjustable. finally, an example is given to show that this approach is effective

    文摘:研究一類多輸入多輸出（ mimo ）非線性時變系統的降維狀態觀測器設計問題.提出一種非線性降維狀態觀測器設計方案，並從理論上證明了狀態觀測誤差的指數收斂性.其中設計的降維狀態觀測器具有收斂速度可調的特性.最後給出了數值算例，模擬結果表明了本文方法的有效性
  10. By analyzing and comparing the network feature index - non - beeline coefficient. shortcut index. joint degree index, demonstrates the cobweb theory that in the conditions which has the same area. scale and density, round - radiation network has the best traffic efficiency

    基於對路網特性指標? ?非直線性系數、快捷性指數、連接度指數分析比較的基礎上，提出並論證了在同等的路網覆蓋面積、規模和密度的條件下，環形放射式路網具有最優的交通效率的蛛網理論。
  11. The results indicated that as the intensity of sward cleavage increased, elymus nutans and other plants that had high requirements in soil aeration and resource space presented an increased competitive edge and the species that had low requirements in soil aeration and resource space presented an opposite picture ; low - intensity sward cleavage could help increase species diversity to a certain extent, but the diversity index appeared to decline as a whole as the cleavage intensity increased ; the effects of sward cleavage on functional groups of the vegetations showed in such manner as e. nutans - represented grasses increased in their composition with the intensity of sward cleavage raised, and sedges and forbs decreased in their compositions with the intensity of sward cleavage raised ; sward cleavage showed a significant improving effect on primary productivity of the meadows and was capable of increasing the proportion of quality - grass biomass to the total plant biomass ; sward cleavage could be independently employed as an effective measure to rehabilitate and improve alpine - meadow grasslands and thus played a basic and key role in the technical combination aiming at establishing hay fields characterized by e. nutans

    結果表明：垂穗披堿草等對土壤通透性和資源空間要求較高的物種，競爭力隨劃破強度的增加而上升，而對土壤通透性和資源空間要求相對較低的物種則相反；輕度劃破干擾對提高物種豐富度具有一定的促進作用，但多樣性指數則總體上表現為隨劃破強度的增加而呈下降的趨勢；劃破干擾對植被功能群的影響表現為以垂穗披堿草為代表的禾草類組分隨干擾強度的增加而顯著上升，莎草類和雜類草組分隨干擾強度的增加而顯著下降；劃破干擾對草地初級生產力的提升具有顯著的促進作用，且可顯著增加植物總量中優質牧草的比重；劃破干擾可獨立作為高寒草甸類草地恢復與改良的有效措施，在定向培育垂穗披堿草型割草場的技術組合中具有核心和基礎性的地位。
  12. Starts from analyzing a special gis applications, the paper points out its widely existence in dss and mis, presents a spatial data model based on constructed point set storage and its developed spatial - temporal model, and proves the validity and practicability of the presented models from theory and actual application

    本文從分析一類特殊的gis應用出發，指出了該類應用在mis和dss領域的存在性和廣泛性，井針對該類特殊應用提出了基於構造點集的空間數據模型及其時態拓展模型，通過理論分析和實際的應用實踐，證明了該模型的有效性和適應性。
  13. On the basis of investigation on oscillometric technique for non - invasive blood pressure measurements, and combined the technique with pulse - wave theory, this paper designs a blood pressure and artery stiffness measuring apparatus, which not only can measure blood pressure and heart - beat - rate accurately, but can calculate the measurer ' s arterial stiffness index and vascular compliance. the apparatus provides an effective instrument for doctors to determine the measurer ' s cirrhosis level

    本論文在研究分析無創血壓測量方法示波法的基礎上，結合脈搏波理論，設計出一種準確高效的血壓與血管硬度測量儀，該儀器不僅能夠準確測量出受試者的血壓與心率，還能夠計算出受試者的動脈彈性指數和臂動脈順應性，為醫生判斷患者的動脈硬化程度提供一種有效的檢測手段。
  14. If possible try to recover portions of the image that have been tampered without accessing the original image. in the past, several techniques and concepts based on data hiding or steganography have been introduced as a means for tamper detection in digital images and for image authentication - fragile watermarks, semi - fragile watermarks, and self - embedding watermarks. the research of this thesis mainly includes self - embedding and semi - fragile watermarks

    目前用於數字圖像完整性驗證及自修復的數字水印方案主要有完全脆弱性水印、半脆弱性水印、自嵌入水印等，本文主要研究自嵌入及半脆弱數字水印，分別從空域及變換域角度詳細分析當前國內外現有的各種演算法，指出其不足之處，並提出了相應的改進演算法，實驗結果表明本文演算法的有效性與實用性。
  15. Finally, two examples show that, the availability and practicability of the new model is verified. the analysis of calculation result of berthiervill test embackment shows different part of compression curve have different influence upon the course of consolidation, and correct coefficient and viscous effect have great significance on deformation forecast. associated with the wenzhou airport runway engineering, the reason of increasing of pore - water pressuer in under - lying soft layer and post - construction settlement are given

    最後，通過兩個工程實例的分析來說明本文模型的有效性和實用性:一是對berthiervill填土試驗場的軟基實測數據和理論成果進行對比分析，闡明考慮結構性擾動和粘滯性效應對分析天然粘土固結壓縮性的重要性;二是對溫州機場袋裝砂井超載預壓工程進行數值模擬，指出停荷預壓期間下臥層孔壓增加和工后沉降大的原因。
  16. We apply this method to shanghai index, shenzhen index and a random selected stock ' s moving average index from jan, 1999 to apr. 2003 to test the accuracy of prediction

    為了證明系統的有效性，本文對上證綜合指數、深證綜合指數、隨機選取的個股1999年1月年至2003年4月的實際數據進行了預測檢驗。
  17. On the basis of research on market efficiency, index funding, clustering algorithm and time factor, 295 stocks in shenzhen stock market are selected as the research objects. clustering algorithm with time factor is applied to choose portfolio population, and then single index model is used to calculate the weight of every individual stock in order to construct an index proxy portfolio to track shenzhen composite index

    本文在對市場有效性、指數化投資、聚類演算法和時間因子等有關理論進行分析研究的基礎上，以在深圳證券交易所上市的295隻股票為研究對象，使用加入時間因子的聚類演算法選擇證券投資群體，再利用單指數法構造市場指數代理證券組合，以此來逼近深圳綜合指數。
  18. At the same time, this paper puts forward a validity function for judging clustering in order to lead us to use it in k - nearest neighbor classification ; then introduces " generalization capability of a case " to k - nearest neighbour. according to the proposed approach, the cases with better generalization capability are maintained as the representative cases while those redundant cases found in their coverage are removed. we can find a new less but almost complete training data set, consequently reduce complexity of seeking near neighbour

    針對k值的學習，本文初步使用了遺傳演算法選擇較優的k值，同時總結了一種聚類有效性函數，數值實驗證實了其有效性，旨在指導應用於k -近鄰分類中；然後還將「擴張能力」的概念引入k -近鄰演算法，根據訓練集例子不同的覆蓋能力，刪除冗餘樣本，得到數量較小同時代表類別情況又比較完全的新的訓練集，從而降低查找近鄰復雜性。
  19. Then, based on the analysis of the combined forecasting precision sequence, the paper simplifies the model mentioned above, and gets an optimal model for calculating the approximate solution of the combined forecasting method, which is only a combination of two forecasting methods, and obtains the calculating formula of the optimal approximate solution. shen min ( transportation program and management ) directed by song bing liang

    將上述兩種單項預測法進行整合，首先建立了以預測方法有效性指標為目標函數的組合預測優化模型；其次在對組合預測精度序列分析的基礎上，得到了求兩組合預測方法權系數近似解的優化模型及最優近似解的計算公式； 4
  20. Based on fuzzy clustering algorithm, we studied the objective function of the traditional fuzzy c - means algorithm and proposed a modified objective function for fcm ; we discussed clustering validity problem, and a texture segmentation method based on adaptive fcm has been constructed by the guidance of fuzzy clustering validity

    在介紹聚類演算法的基礎上，研究了模糊c -均值聚類演算法目標函數的改進問題，提出了基於修正目標函數的fcm演算法；討論了聚類有效性問題，在模糊聚類有效性函數指導下構造了一種自適應模糊c -均值聚類演算法的紋理分割方法。
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