weight function method 中文意思是什麼

weight function method 解釋
權函數法
  • weight : n 1 重量;體重;求心力,重力,(地心)引力。2 斤兩,分量,衡,計重單位。3 (壓東西的)重物。4 砝...
  • function : n 1 功能,官能,機能,作用。2 〈常 pl 〉職務,職責。3 慶祝儀式;(盛大的)集會,宴會。4 【數學】...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. We use b - spline smoothing technique to smooth the characteristic function without changing the integral quantity and get a differentiable weight function. the method considerably improves the quality of sampling points

    我們用b樣條磨光技術在不改變積分值的前提下磨光特徵函數,用可微的權重函數代替特徵函數,提高了采樣的質量。
  2. Based on the above, a surrogate models are built for thermal conductibility performance of sandwich panel with " v - type " folded core in this paper, and they can be optimized by multi - subject. the numerical simulation function and optimization design method in condition of lightest weight are shown in this paper

    其次,用isight軟體重新設計了40組不同構型的試驗設計點,並以此為基礎對v型褶皺芯材夾層板的熱傳導性能構建了可用的代理模型,給出了數值模擬函數和最輕重量條件下的優化設計方法。
  3. Method to evaluate the function of housing district based on trigonal whitening weight function

    函數的住宅小區功能灰色評價方法
  4. Based on the theory of safety evaluation and risk assessment, this paper first ascertained the evaluating indices affecting ships ' seaworthiness and classified them according to their importance degrees by experts investigation, and used judgment matrix method to calculate weight of the evaluating indices, and then got the membership function by fuzzy collection theory, and finally established the mathematical model to realize a fuzzy comprehensive evaluation to ships ' seaworthiness

    摘要根據安全評價理論、風險評估理論,通過專家調查方式確定影響船舶適航性的評價指標並按照重要程度進行分類,然後採用判斷矩陣法計算評價指標的權重,運用模糊集合理論確定隸屬函數,進而建立數學模型,實現對船舶適航性的模糊綜合評價。
  5. Based on analyzing the relations among the power of function, the path of beeline or curve, and the rank of infinitesimals, a method of path selection on some inexistence of weight limit is developed, i. e. the power control method of the infinitesimal rank

    摘要通過對函數的冪次、直線路徑與曲線路徑、無窮小的階三方關系的分析,提出了一類證明重極限不存在的路徑選取方法無窮小的階的冪次平衡法。
  6. Results show that a three - stepwise weight function correction method is effective and applicable and can be spread in other basins. it can eliminate the outlier of rainfall data and improve the accuracy of flood forecast

    計算結果表明,採用雨量觀測誤差三步權函數修正法是有效的,能準確剔除雨量資料的粗差,改善雨量資料的合理性,提高洪水預報的精度。
  7. In connection with the difference and distribution characteristic of the samples in sample space rs based on dga, a new self - adapted weight fuzzy omean clustering model of fault diagnosis of the power transformer based on the potential function is proposed. meanwhile, from the aspect of geometry characteristic of fc - divided in s dimension sample space, a method is proposed for the purpose of getting an effective adjacent radius, adaptive cluster number c and original cluster center of x sample set. for the diagnosis sample x, the property measure and diagnosis rule are proposed, which under the condition of potential density function that determine c number of optimal fuzzy cluster p1

    根據以變壓器dga數據為特徵量的樣本空間各樣本差異特性以及樣本在空間r ~ s的分佈特性,首次提出了基於勢函數自適應加權的變壓器絕緣故障診斷的模糊c -均值聚類模型;同時,從s維樣本空間的f ~ c -劃分幾何特性出發,提出了一種求取樣本集的類勢有效鄰域半徑和自適應求取聚類數和聚類中心初值的方法;對一個待診斷樣本,設計了基於類勢密度函數意義下的屬性測度和診斷準則。
  8. Method of determining the subjection function and weight coefficients for optimization of ship manoeuvrability

    船舶操縱性能優化中隸屬函數及權重的確定方法
  9. Compared with normal weight selection method, the new method can reduce the iteration times of weight function selection, and ensure the synthetical performance of the resulting h ( subscript ) loop shaping controller

    與常規的權重函數選取方法相比,該方法能夠減少權重函數選取時迭代的次數,保證控制器的綜合性能。
  10. Based on the introduction and analysis of the approach of h ( subscript ) loop shaping, aiming at the problems that the weight functions are chosen by trial and error, and the synthetical performance index of the controller is hard to meet the frequency and time domain performance requirements, an improved weight function selection method is proposed based on engineering design and chaos optimization

    摘要在介紹和分析h (下標)迴路成形基本設計力法的基礎上,針對權重函數選取需要反復迭代、過程繁瑣、所得控制器難以同時滿足時域和頻域性能指標等問題,提出了一種基於工程設計、輔以混沌優化理論的權重函數選取方法。
  11. Based on the method of fuzzy mathematical comprehensive evaluation, this paper assesses the quality of atmosphere in wuhan with selecting so2, no2 and pm10 as evaluation factors, consulting the standards relevant to atmosphere environment and building the attaching function and the weight muster

    摘要運用模糊綜合評判的方法,選取二氧化硫、二氧化氮和可吸入顆粒物作為評價因子,參照我國環境空氣質量標準,通過建立各污染物的隸屬函數和權重集,計算出各污染物的隸屬度和權重分配系數,進而對武漢市空氣質量進行模糊綜合評判。
  12. The dynamics is described by the glauber - type stochastic progress with the single - spin transition meehanism and disposed approximately by weighted average method in which we add a corresponding weight to each possible configuration. we obtain not only the exact analytical solutions of the time dependent magnetization and equal time spin - pair correlation functions, but also the analytical temperature dependent dynamical relaxation function

    通過採用加權平均的近似處理方法,也就是對各種可能出現的躍遷幾率賦一個相應的權重,我們不僅可以得到隨時間演化的磁化強度和等時對關聯的解析解,還得到了系統馳豫時間的溫度解析函數。
  13. From the multi - disciplinary synthesis, such as ecology, river morphology, economics, river mechanics, etc., it constructs sixteen specific indices which reflect river structure and function at different layers and classes, indicates the meaning and the determination approach to the indices, and finally determines the index weight through the layered binary compared the expert analysis method

    該評價體系既考慮了人類社會需求的滿足程度,又考慮了維持河流自身生命的需要,從生態學、河流地貌學、經濟學、河流動力學等多學科綜合角度,構建了分層次分類別反映河流結構和河流功能的16個具體指標,並明確相應指標的意義及確定方法,最後選擇分層次二元對比專家分析法確定指標權重。
  14. When calculate the correlation function of binary array pairs, using the boolean calculation instead of the decimal multiplication, using the method of count the number of 1 in binary integer to calculate the correlation function of binary array pairs, the speed of searching is obviously improved by these methods. by the algorithm introduced in this paper, the constant weight and normative perfect binary array pairs whose volume from 4 to 28 and quasi - perfect binary array pairs whose volume from 2 to 24 were searched and gi ved the new result

    此外,採用二進制整數來表示陣列,通過對整數的邏輯運算來實現陣列偶的移位變換、完全采樣變換等運算;在計算二進陣列偶的相關函數時,用整數的邏輯運算代替十進制中的乘法運算,並用計算二進制整數中1的個數的方法來計算二進陣列偶的相關函數,以上方法的採用明顯地提高了搜索速度。利用上述演算法,對體積為4 28的等重規范型最佳二進陣列偶和體積為2 24的準最佳二進陣列偶進行了搜索,並給出了新的結果。
  15. Especially, in the latter model, the matched degree of system space and mission is taken as standards. and we also establish an index system and a model of c4isr system efficiency analysis correspondingly. after then some methods and algorithms are introduced, which include the principles and the method of choosing efficiency index and parameter index, the method of index filtering, the method of determining index function relation, the revising algorithm of ahp weight and the sort algorithm of judgment matrix

    作者對國內外c ~ 4isr系統效能分析的主要方法進行了比較分析,提出了一種以指標體系為基礎的層次效能評估靜態模型和以系統空間與使命的匹配程度為目標的動態評估模型相結合的評估思想,建立了c ~ 4isr效能分析指標體系與模型,給出了性能指標與參量指標選取的原則與方法、指標篩選方法以及指標函數關系的確定方法、 ahp的權值修正演算法、含灰元的判斷矩陣排序演算法等。
  16. For h - d scattered data, local weighted least - squares fitting ( llsf ) methods for approximation and interpolation are respectively put forward and the latter is got by adjusting weight function in the former case, and the interpolating method is also used to construct hyper - surface models with the radial function. the problem of choosing weight function during local least square approximation is discussed and two good weight functions are given : one with a parameter, the other with no parameter. based on them

    二、對非規則區域上分佈的h - d數據,提出了散亂數據超曲面擬合的局部最小二乘逼近法。通過對局部最小二乘逼近的權因子作適當的改進,得到了擬合精度較高的局部最小二乘插值法,還用徑向基函數構造了超曲面模型,找到了一種性質好帶參數的權函數以及另一種有著普遍精度性質的不含參數的權函數,獲得了較好的逼近效果。
  17. Furthermore, from the viewpoint of hydrological application, the types and characteristic of rainfall observation error in hydrological remote system are analyzed and a three - stepwise weight function correction method of the error in the system is developed on the basis of theory of robustified least square method

    然後根據遙測系統雨量觀測資料誤差的類型和特點,結合抗差最小二乘法,提出了雨量觀測資料誤差三步權函數修正方法。每一步均利用雨量資料誤差的不同特點,提出不同的權函數進行修正。
  18. The training object of the algorithm is minimization of the cost function in optimal control, variations of the weight values are obtained by the steepest descend gradient method and moreover an approximate treatment is made on the sensitivity matrix evaluation

    本方法以瞬間最優控制價值函數最小化為訓練目標,考慮了地震輸入的能量,利用最速下降梯度法計算權值的改變量,並對敏感度矩陣進行近似處理,可解決神經網路控制中神經網路控制器難以獲得的訓練輸入輸出樣本對的難題。
  19. State estimation used by least square algorithm is usually done at the condition of unknown of it " s statistic property. to make the estimate error least, this paper introduce weight function and use weight least square algorithm ( wls ). the result of simulation shows that the precision of estimate result is highly enhanced and this method can satisfy the need of move and control of the power system

    在不知道隨機干擾信號統計特性的情況下,採用最小二乘法對電力系統的運行參數進行狀態估計,為了使估計誤差的方差矩陣最小,本文引入權函數使用加權最小二乘法,使估計結果的準確性大大提高,模擬結果顯示,該方法完全能夠滿足電網運行和控制的要求。
  20. Introduce the method of comprehensive evaluation for thermal technics of batteries based on multi indexes, according to membership function and indexes weight of fuzzy set theory

    摘要針對焦爐熱工的多參數指標,運用模糊集合理論,通過隸屬度的大小和指標權的方法,對焦爐做出綜合的評價。
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