標度函數 的英文怎麼說

中文拼音 [biāohánshǔ]
標度函數 英文
scaling function
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
  • : 數副詞(屢次) frequently; repeatedly
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. The divergence of a vector function is the scalar function.

    矢量的散是一個
  2. The experiment shows mbid can produce the enhanced pressure field at hydrophone array, provide modal domain representation of pressure ( modal functions and horizontal wavenumbers ) and target ' s bearing ( plane waves ), and have good adaptive ability and robustness against mismatch

    實驗據和模擬據的結合驗證了模基辨識器不僅能夠產生增強的水聽器陣處的聲壓場表示,而且能夠輸出模域表示(模深和水平波)和目的方位(平面波模型) ,也具有較好的自適應性及對失配的寬容性。
  3. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種基於遺傳演算法的直流雙閉環調速系統參優化設計方法.根據工程技術的要求,選用速超調量和過渡時間作為參優化性能指.將該指用模糊隸屬歸一化,再加權平均形成系統優化模型的目.採用計算機值計算方法,通過模擬獲得系統對應參的動態響應曲線及其性能指.最後以工程設計的參為搜索范圍,以速調節器和電流調節器的參為染色體中的基因,通過遺傳演算法在搜索范圍中優化這些基因,獲得優化解.實驗結果表明,所設計的參能使系統性能指有顯著提高
  4. ( 1 ) the posterior distribution of the coefficient matrix, the precision matrix and covariance matrix, and their bayesian estimation under the matrix normal - wishart conjugate prior distribution. ( 2 ) the deduction of the predictive distribution, proved to be matrix t distribution. ( 3 ) the designs of bayesian multivariate mean value control charts in terms of the relationship between the multivariate wishart distribution and x2 distribution, the bayesian process capability index and its confidence lower limi

    通過多方程模型系統的統計結構,證明了矩陣正態? wishart先驗分佈是模型參( , )的共軛先驗分佈,研究了該先驗分佈下模型系矩陣、精陣和協方差陣的后驗分佈及其貝葉斯估計,對模型預報密進行了嚴格的學推導,並將其應用於多元質量控制領域,構造了貝葉斯均值向量聯合控制圖;結合wishart分佈與x ~ 2分佈之間的關系,設計與推斷了貝葉斯多指過程能力指及其貝葉斯置信下限。
  5. The method about constructure of a new compactly supported orthonormal wavelet and scale function concerned is put forward and the exponent regularity of the kind of wavelet and related scale function is estimated accurately

    提出了一類新的具有緊支集的準正交小波基以及相關的尺的構造方法,準確估計了該類小波和相關尺的正則性指
  6. Abstract : the method about constructure of a new compactly supported orthonormal wavelet and scale function concerned is put forward and the exponent regularity of the kind of wavelet and related scale function is estimated accurately

    文摘:提出了一類新的具有緊支集的準正交小波基以及相關的尺的構造方法,準確估計了該類小波和相關尺的正則性指
  7. At the same time, the formulas on reliability, mean time to failure and availability, mean time between failure etc were deduced respectively based on the distribution density function and markov state - transition diagram

    同時依據分佈密和馬爾可夫模型的學理論分別推導了兩種系統的可靠、平均故障前時間和可用、平均故障間隔時間等指的計算公式,為軟體內核程序的開發奠定了理論基礎。
  8. Based on the genetic algorithm ' s global searching capability with probability regulation and euclid ' s space distance metric to settle multi - objective, the algorithm that integrates multi - objective ' s decision - making into the modified genetic algorithm to solute the optimal model with discrete variables and multi - objective is proposed. during the algorithm ' s design, the euclid ' s space distance metric is proposed to transform the multi - objective problem into single objective problem. and some modified measure to fitness function and crossover probability and mutation probability are used to improve the performance of the algorithm and avoid premature convergence

    演算法設計過程中,利用歐幾里德空間距離準則和罰法,將含有約束條件的多目規劃問題轉化為無約束的單目優化問題;針對簡單遺傳演算法出現的早熟,構造隨進化代動態調整適應的適應和隨個體適應自適應調整的交叉、變異概率;提出比例選擇與精英保留策略相結合的選擇、兩點交叉和簡單變異的改進遺傳演算法。
  9. Where several mother wavelet functions were used to expand a function, it also can be seen as vector - valued wavelets that satisfy conditions in which matrics are involved. the main works of this paper are as follows : firstly, although haar function has bad vanish property in frequency domain, it is the only normal orthonormal basis with symmetry and real short - support property

    首先,討論了對于尺,相應的母小波構成空間的準正交基的充要條件,提出了構造a尺母小波的演算法,從理論上研究a尺haar小波基的構造,提出了分解與重構公式,並對如何構造具有對稱性的a尺haar小波基進行了探討。
  10. Based on result of the multiple objective optimization, this dissertation investigates the multiple objective decision of mixed - model flow m anufacturing system. in allusion to the pareto frontier, in terms to the assistant information of decision schemes, the preference of objectives, the preference of decision schemes, individual decision - making and group decision - making are gained through the measure function, 0 - 1 programming and relative entropy combining with subjective and objective factors

    在多目優化的基礎上,研究了混合流水生產系統的多目決策問題,針對多目協同優化得到的pareto前端,依據決策方案的輔助信息、對指有偏好的信息以及對決策方案有偏好的信息等,採用測、 0 - 1規劃方法以及相對熵的方法,結合主客觀因素進行多目個體決策和群體決策,把多目優化與多目決策聯系起來。
  11. After a short - term load forecasting method based analogous and linear extrapolation is proposed, the load forecast and the priority of equipment action are led into static reactive power optimization. the aim function is constructed for the practical situation of power system. on the basis of traditional genetic algorithm the fitness function and the holding of population diversity are improved

    在提出基於相似日和線性外推的短期負荷預測新方法的基礎上,將負荷預測和設備動作優先級引入靜態無功優化中,並結合電網實際情況,構造了實用的目,對遺傳演算法的適應和群體多樣性的保持進行了改進,採用鄰域搜索運算元增加遺傳演算法的局部尋優能力。
  12. However, most approaches in the literature were to adopt information measures as cost functions, along with some mathematical optimization methods to analyze and design systems. in fact, little has been done on the study of control systems under the framework of information theory, that is, considering control systems as information transmission channels

    然而目前大多成果只是採用信息測作為系統性能的分析和設計目,結合相應的優化等手段進行研究,而確實將控制系統置於信息論(信息傳輸)的框架中考慮的卻相對較少。
  13. With difference from the way that traditional methods perform by accumulating the frequency of keywords. we propose a new metrical function that employs the rs - based entropy by comparing function values to measure the feature of web pages. besides, according to the unstructured and heterogenous characteristics of www, the effect of hypertext tags to keywords " weigh has been taken into account to obtain the most effective keywords for document classification

    有別于傳統的對關鍵字頻進行累加的方法,本文提出了基於信息熵的文本關鍵詞測,通過對關鍵詞值進行比較,獲取對文本分類最具影響性的關鍵詞序列;同時,針對web上異質、非結構化信息的特點,該分類演算法還考慮了超文本記對關鍵詞權值的影響。
  14. The rules of measurement function for grade of target threat were established, evaluate matrix was defined to obtain multi - parameters unascertained measurement

    建立目威脅等級測規則,定義評價矩陣得出多參量未確知測
  15. On the basis of the probability density function of the disparity gradient, the mutual coordinate constraint of the corresponding points of the two adjoing points in the continous edge of the left image was educed, then the search area of the matching point in the right image was limited

    由視差梯的分佈密,導出了左圖像連續邊緣上相鄰兩點在右圖像中的對應點的坐間的相互約束關系,從而限定了右圖像中匹配點的搜索范圍。
  16. But indeed a good many of problem exist in the present situationof the management. according to this, this paper use the object of the borer. according to the reliability theory established the failure tree of borer system, calculated the reliability parameter of the system and every components. processed the instantaneous reliability analysis of the borer. received the eliability function of the components. based on this, established the maintain and management modeland ecnomye stimate model. and worked out the internet applications, improved the management efficiency of the employed facility, economized the devotion. the maintain and management of the borer achieved to the scientific and comunication, improved the management efficiency, possess great value of application

    針對這種情況,本文以石油鉆機為研究對象,利用可靠理論,確立了石油鉆機的故障樹,計算了系統及各基本部件的可靠性參,對鉆機系統進行了瞬時可靠分析,同時,確定了石油鉆機系統的可靠,得到了石油鉆機各基本部件的可靠,根據可靠建立了以可靠為準則的維修管理及經濟評價模型,並編制了相應的應用軟體,提高了現場設備管理的效率,節約了經濟投入,使石油鉆機系統的維修管理達到了科學化、信息化的水平,提高了管理效率,具有較高的應用價值。
  17. Frequency code is not uniformity distribution and keeps to a probability distribution function defined by the spectral characteristics of the target of interest. the phase code is equally duality pseudo - random sequence and used to reduced the sidelobes of the signal correlation function. and the mismatch - phase sequence is corresponding with the frequency sequence one by one

    而頻率編碼為不均勻分佈,由所觀測目的頻譜信息提取出概率密決定頻率編碼序列的分佈;相位編碼為二元的偽隨機序列,採取均勻的二相編碼,消減同頻脈沖帶來的過高的相關的旁瓣;而失配相位為與頻率編碼相一一對應于各子脈沖中。
  18. In this algorithm, the unfitness function is chosen as a merit at the beginning of iterative and a new cross operation is designed. in addition, we use a hybrid mutation operation, and make immune operation on individual after mutation operation

    該演算法在迭代初期引入不適應作為評價準,結合啟發式交叉和邊重組交叉運算元設計了一種新的交叉運算元,採用了模式變異和啟發式變異相結合的混合變異運算元,並對變異后個體進行免疫操作。
  19. At the same time, relative fitness which was based on influence degree coefficient was designed to reduce objects ' non - standardization error

    同時,設計了基於影響因子的相對適應來消除目準化誤差。
  20. After a novel speed function based on local gradients of differencing image, object variances and background variances was defined, an improved evolution equation for segmentation curve was obtained, and then different moving objects were segmented

    定義了一種新的基於差分圖像的局部梯、目的方差和背景的方差的速,得到了改進的分割曲線的演化方程,分割出不同的運動目
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