維數選擇 的英文怎麼說

中文拼音 [wéishǔxuǎnzhái]
維數選擇 英文
dimension select
  • 維 : Ⅰ動詞1 （連接） tie up; hold together; link 2 （保持; 保全） maintain; safeguard; preserve; keep ...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 擇 : 擇動詞（挑選） select; pick; choose
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  1. By optimizing the parameters such as the additive quantity of corn straw fibre, the content of amylum, the dosage of vesicant, the selecting of accessorial material, and the temperature of frothing, the cushion packaging material that has decompounding capability was prepared, and the factors influencing the mechanical strength of this material was analyzed by the method of static compress test

    通過對玉米秸稈纖維添加量、澱粉含量、發泡劑用量、輔料選擇、發泡溫度等參數的優化，實驗制備了具有可降解性能的緩沖包裝材料，並利用靜態壓縮實驗方法對該材料力學強度的影響因素進行了分析。
  2. Feature selection, as a preprocessing step to data mining, is effective in reducing dimensionality, removing irrelevant data, increasing learning accuracy, and improving result comprehensibility

    屬性選擇作為數據挖掘過程中的一個重要步驟可以有效地降低特徵維度，去除不相關屬性，提高模型準確率以及增加模型的可解釋程度。
  3. Resampling is that every image element in the screen gives off one ray according to the planned observing orientation. this ray penetrates 3d data sets, and to chooses k sampling dots of equidistance along with it, and does three linear insert values according to color and opacity values of eight data dots that mostly close to certain sampling dot, then evaluate the opacity value and color value of it

    重采樣，是從屏幕上的每一個象素根據設定的觀察方向發出一條射線，這條射線穿過三維數據場，沿著這條射線選擇k個等距的采樣點，並由距離某一采樣點最近的8個數據點的顏色值和不透明度值做三次線性插值，求出該采樣點的不透明度值及顏色值。
  4. The paper will study the upper questions based on the two interconnection networks. first, we give a fault - tolerant routing algorithm under the connectivity of the crossed cube in o ( n ) time and the length of the longest routing path ; second, with the rapid progress in vlsi, the failing probability of processors and links is very low, the traditional connectivity underestimates the resilience of large networks / here by applying the concept " conditional connectivity " introduce by harary, we show that the n - crossed cube can tolerate up to 2n - 3 ( n > 2 ) processors failure and remain connected provide that all the neighbors of each processor do not ' fail at the same time, the result is the same as the hypercube. we also give a related algorithm in o ( n ) time, and the length of the longest path ; third, we apply cluster faun tolerance introduced by q. - p

    根據menger定理， n -維交叉立方體可以容納n - 1個故障頂點，我們給出了它的時間復雜度為o （ n ）的容錯路由選擇演算法及其最長路徑長度分析；在此基礎上本文證明， n -維交叉立方體的條件連通度為2n - 2 （ n 2 ） ，並給出了相應時間復雜度為o （ n ）的演算法及其最長路徑長度；除此之外，本文還證明當n -維交叉立方體中的故障簇個數不大於n - 1 ，其直徑不大於1 ，故障頂點總數不超過2n - 3 （ n 2 ）時，交叉立方體中任兩個無故障頂點都至少有一條可靠路徑。
  5. Based on the real structure of the forewing and hindwing of dragonfly, the plane geometric models of biomimetic wings are created using some cad software. then the three - dimensional finite element models of biomimetic wings are built by choosing the suitable element types and characteristic parameters

    本文基於蜻蜓真實的翅翼樣本，利用相應cad軟體分別建立了前、后翅翼的幾何結構模型，並通過選擇適當的單元類型及設定特性參數，完成三維仿蜻蜓前、后翅翼的有限元建模。
  6. To avoid overmany crossings of fw layers, which reduce the using of the filament strength, the number of the tangency points is chosen to one

    為了避免fw層的交叉點過多而影響纖維強度的發揮，所選擇的切點數為1個。
  7. The article primarily described the preparation technology and function token of ceramic fiber composite microporous membrane. which main include : the choices of ceramic fiber, the preparation and dispersion of ceramic fiber which the rato of long path can be controlled, preparation technology and function of the microporous ceramic support, the chemistry constitutes of the ceramics fiber composite membrane and the influence of the every kind of factor on the membrane function, the vacuum forming technology of ceramics fiber composite and the influence of the every kind of factor on the membrane function, and the microstructure of the ceramics fiber composite microporous membrane was analysised by the scanning electron microscope ( sem )

    本文主要描述了陶瓷纖維復合微濾膜的制備工藝及性能表徵，其中主要包括：陶瓷纖維的選擇、可控長徑比的陶瓷纖維制備及分散工藝、陶瓷纖維膜支撐體的制備、膜組分配方及各組分配比對材料性能的影響、陶瓷纖維膜的真空抽濾成型工藝及各工藝參數對膜材料性能的影響等，並對陶瓷纖維復合微濾膜的顯微結構進行了掃描電鏡分析。
  8. Based on analysis and compare of all kinds of precept - sorting of feature of plastic product for the different structural plastic product, a 3d feature library of plastic product was built on the platform by integrating feature - modeling technique with parametric technique. the feature schleps its information of non - geometry by database - externed technique of the entity. after building the database of plastic material, the module of choice of plastic material is developed by technology of odbc

    針對不同結構類型的塑件，在全面分析、比較塑件特徵分類的各種方案的基礎上，採用三維特徵建模技術和參數化技術，建立了注塑產品的三維特徵庫；應用實體擴展數據庫技術，使特徵攜帶非幾何信息；再在建立塑料物性數據庫的基礎上，採用odbc技術，開發了塑料材料選擇模塊；通過塑件特徵的調用和人機交互輸入參數的方法進行塑件三維造型，再把塑件的三維實體和塑件的非幾何信息結合起來，生成塑件全信息模型。
  9. Another oil well orbit optimized model, unitary model, is established base on the old model and the choice of the best section plane is calculated

    本文在二維油井軌道優化設計的基礎上，建立了考慮剖面類型選擇和剖面設計最優化在內的綜合數學規劃模型：歸一化設計模型。
  10. The paper presents several aspects in partition rectification and visualization of raster image. adopt technology of visualization for scientific calculation, vector diagram of deformation 、 contour chart of deformation and drawing of three - dimensional are realized. delaunay tin in view of deformation feature is constructed on base of selected grid control points and methods and mathematical models for partition rectification are realized based on the delaunay tin. software of geometric rectification for large scales are realized and applied in project

    本論文針對柵格影像的變形可視化及分塊糾正展開研究，取得了以下幾方面的研究成果：一、採用科學計算可視化技術，繪制變形矢量圖、變形等值線圖和三維效果圖，實現了柵格影像變形特徵的可視化；二、提出了在格網控制點（ gcp ）數據基礎上選擇性構造顧及變形特徵的delaunay三角網，並基於構造的三角網實現了分塊糾正的方法和數學模型；三、採用vc編制了影像幾何糾正軟體，實現大比例尺掃描地形圖的糾正，並在工程中得到應用。
  11. On the one hand, the author discusses markowitz ' s mean - variance portfolio selection model, single - index portfolio selection model, and simplified model of optimal portfolio selection. at the same time, based on the rules of optimal portfolio selection and other risk - metric indices, the author also discusses mean - absolute deviation model, mean - semivariance model and mean - value at risk model. on the other hand, the author discusses the asset pricing model, including the capital asset pricing model ( capm ), the multi - factor asset pricing model, and the arbitrage pricing model ( apt )

    一方面，作者討論了馬科維茲的均值-方差資產組合選擇模型、單指數資產組合選擇模型、最優資產組合選擇的簡化模型，同時根據最優資產組合選擇原則和其他風險度量指標，討論了均值-絕對離差、均值-半方差和均值-風險價值資產組合選擇模型；另一方面，作者討論了資產定價模型，包括多因素資產定價模型和套利定價模型，特別是在四種因素變量的基礎上，探討多因素資產定價模型。
  12. To compress the dimensions of characteristic vector and make the design of classificatory in the characteristic space with lower dimensions is the purpose of characteristic selection and extraction

    摘要壓縮特徵向量的維數，在較低維特徵空間中進行分類器設計是特徵選擇與提取的目的。
  13. If the covariance stationary processes are one dimension, for given data, covariance function and spectral density function can be estimated, and there is no need to select kernel function and its parameters

    如果協方差平穩隨機過程的狀態是一維的，對給定的樣本點，給出了協方差函數的估計和其對應譜（密度）函數估計，而不必選擇核函數及其參數。
  14. Abstract : an easy method for determining the lateral fold number of 3 - d seismic swath is presented. it is described in details that the non - vertical time error and selection method of vertical line direction. based on existing conditions of 3 - d seismic data acquisition in coal field, an assumption of 3 - d broad azimuth data acquisition is provided to remove the disadvantages of non - uniform azimuth distributions from old observation system

    文摘:提出了線束型三維觀測系統橫向覆蓋次數的一種簡易確定方法，詳細論述了非縱誤差的實質及縱測線方向的選擇方法，根據目前煤田三維數據採集現狀，提出了寬方位角的設想，以便克服以往三維觀測系統中方位角分佈不均的弊端。
  15. The advent of dna micro - array make it possible to perform gene diagnosis and gene treatment. gene selection is one of the major challenge of gene - chip technology, for gene diagnosis where only a gene subset is enough for diagnosis of diseases, for resolution of curse of dimensionality which occurs especially in dna microarray dataset where there are more than thousands of genes and only a few number of experiments ( sample )

    基因晶元的出現為基因診斷和基因治療提供了很好的前提和可能性，超高維空間超小樣本的基因選擇問題是基因晶元技術的挑戰性課題之一，對于解決維數發難問題和獲得診斷基因具有重要的理論和實際意義。
  16. There were three reasons : ( a ) the cronbach ' s alpha coefficient for raters on the 5 criteria ranged from 0. 83 to 0. 91, which indicated that all the raters shared approximately the consistent rating procedure ; ( b ) in the multivariate generalizability theory ( mgt ), the paradigm got the composite generalizability coefficient of 0. 784, which showed the whole measure of wisdom, relative to each of the 5 criteria, was reliable ; ( c ) the pearson ' s correlation coefficients between the 5 wisdom - related criteria and the 3 positive indicators of psychological well - being ( pwb ) were mostly significant, which indicated that the conception of wisdom did test the knowledge and skills about the real life just like the pwb

    為考察柏林智慧範式的測量信度，研究分別使用經典測量理論和概化理論計算信度指標，結果得到：克朗巴赫系數在0 . 83 - 0 . 91之間，說明智慧的五個特徵維度的評分者一致性都較高；多元概化理論的d研究得出的復合g系數為0 . 784 ，說明智慧測量的整體信度也較高。對于智慧測量的效度，研究選擇具備良好信、效度的心理健康狀況量表（中國修訂版）中的三個指標? ?幸福感、願望與實際所得的符合程度、以及自尊感，作為同時效標。
  17. By analyzing the part and fracture characteristic of sample, find the reason for this flaw is the choice of welding technology parameter is illogical ; welders don ' t grasp well the fibrin electrode ' s characteristics which distinguish with other low hydrogen electrodes, and usage isn ' t reasonable or operation isn ' t skilled

    通過分析試樣的取樣部位和刻槽錘斷試樣斷口的特點，發現產生缺陷的原因是焊接工藝參數選擇不合理；焊工未能很好地掌握纖維素焊條與其他低氫型焊條相區別的特性，運條不合理或操作手法不熟練。
  18. We researched the principle of the lsm, put forward an enhanced rejecting rule of lsm classifiers, and improved on the basic lsm algorithm and the oja ' s dimension selection algorithm of subspace

    我們研究了學習子空間方法的原理，對基本學習子空間演算法進行了改進，提出了增強的拒識規則，並改進了oja的子空間維數選擇演算法。
  19. ( 1 ) in the case of short data set, to select embedding space parameters as fast and exact as possible, the improved across displacement method for selecting time delay and the relative gain ratio of false neighbors

    （ 1 ）在短數據集情況下，為了快速、合理地選擇嵌入空間參數，提出了延遲時間選擇的交叉位移改進法和嵌入維數選擇的偽近鄰距離統計增長法，其特點是速度快、重復性好。
  20. The function of the software is useful, it has provided many functions such as the calculate of crop water requirement, pipeline layout ( automatic layout and manual operation ) and its optimization, pipe diameter optimization. investment budgetary estimate and economic beneficial result can be result. and can rapid create plan and do plan comparison, the software provides many kinds of result output such as graph. text, table and so on

    該系統可以實行作物需水量計算，系統設計流量推算、管道水力計算、工程投資概算，經濟效益分析等功能，建立了常用的數據庫（管材、管件、水泵和電機等）並對其進行管理和維護，可以實現包括管道布置、管徑優化、管材選擇等多種參數選擇在內的多種方案比較、優選。系統能提供圖形、文本、表格等多種形式的成果輸出，人機交互界面友好，操作方便。
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