估價函數 的英文怎麼說

中文拼音 [gūjiàhánshǔ]
估價函數 英文
evaluation function
  • 估 : 估構詞成分。
  • 價 : 名詞1. （價格） price 2. （價值） value 3. [化學] （化合價） valence
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 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. 4. security of a class of block ciphers based on chaotic maps against differential and linear cryptanalysis is studied. the results show that this kind of cipher structure is not good compared with some famous cipher structure such as cast - 256 cipher structure and common feistel structure

    對一類基於混沌函數的分組密碼結構gfs4 （ gfs8 ）的安全性做了評估，分析結果表明：從抵抗差分密碼分析和線性密碼分析的安全性與所需要的執行代價相比，這類密碼結構不如cast - 256型密碼結構和普通的feistel型密碼結構。
  2. 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。
  3. It has been deduced that the search direction remains the same but that the step length decreases in optimizing the improved cost function with the conjugate gradient algorithm from the gradient of the cost function that the fir filter apporaches the contrary point spread function ( psf ) more, and that the estimated image is closer to the original one

    從代價函數的梯度入手推導出共軛梯度演算法，其搜索方向保持不變而搜索步長變小，使濾波系數更加退近於點擴展函數逆運算元，從而使估計圖像與原始圖像更加接近。
  4. Following this idea, considering the serious information asymmetry and personal expect utility maximization in the double auction, we intends to construct a bidding model on bayesian nash equilibrium based on incomplete information games, consequently obtain a solution on each private values and maximum forecast price and minimum forecast price on the marketing. then, we analyze in detail the characters and possibilities of the offer strategy by means of computer simulation according to the experimental economics

    在此基礎上，考慮到雙向拍賣中存在的信息嚴重不對稱和個人期望效用最大化，構造了該拍賣模式中基於不完全信息博弈的貝葉斯納什均衡模型並求解，獲得一個關于各自估價和市場最高及最低預測價格的線性函數的報價策略。
  5. Subordinate function of evaluation index is determined by means of triangle whitenization function. the potential difference of the area is evaluated through gray cluster. conceptual model that estimates energy of the science & technology productivity is built up relying on the thought of the strength potential energy for support

    第三部分著重定量研究，以長三角三省為實例，用三角白化權函數的灰色聚類評估評價區域的位勢差，並借重力勢能的思想構建了科技生產力流動勢能能量測度的概念模型。
  6. The text use the reference of the foreign country ' s financial evaluation theory, discuss four methods of the evaluation, and discuss the advantage and disadvantages of the methods one by one. understand the meanings of the corporation value and maximize it, understand the significance of the maximize the value of corporation which use as the financial aim, and use it to the financial decision - making

    本文通過借鑒國外財務估價理論，初步探討了企業價值評估的四種方法? ?以資產負債表為基礎的賬面價值估價法、比較估價法、加總公司發行在外的各種證券的市場價值評估法、折現現金流量估價法，並分別討論其適用性和局限性，真正理解企業價值及其最大化的含義，明確了企業價值最大化作為財務目標函數的學科意義，並運用到企業的財務決策中去。
  7. In the 3rd section we introduce how to use mathematical model to study financial problems, whose assets running on mixed jump - diffusion process, first we get the famous non - linear feynman - kac formula by fbsde, then let the solution of the bsde be a investor ' s utility function, and it ' s the so - called recurse utility function. second, we can prove that this utility function is a continue viscosity solution of the variation inequality which we get above, and we get the comparison theory. third we can use the result to financial market to study the optimal consumption and portfolio problem or evaluate the american option

    第三章介紹了利用金融資產價格運行基於復合跳躍? ?擴散過程的數理模型來研究金融經濟問題，通過結合運用正倒向隨機微分方程，推導得到著名的非線性feynman - - kac公式，並且將相應的倒向隨機微分方程的解記為投資者的值函數，這也就是通常所說的效用值函數；接著我們可以證明此效用值函數為某一偏微積分變差不等式的連續粘性解，並且得到了比較原則；這些結果可以應用到金融領域用於消費投資組合的選擇或是美式期權的估值。
  8. For the general multivariate linear model, in this paper, the necessary and sufficient condition for admissibility of the linear estimator for sx in the class of linear estimator under different criteria is gained

    摘要對於一般未知方差多元線性模型，討論了共同均值矩陣參數的可估函數sx的線性估計在線性估計類中的可容許性問題，證明了在本文所給的不同優良準則下可容許性是等價的，並得到了它們的充要條件。
  9. In last chapter, a new conception and model for var, based on prediction are brought forward. finally, a kind of new kernel density estimating function, adapting to financial time series is employed to extend time series kernel density estimating model

    文中最後一部分，從風險價值預測的角度出發，建立了基於var預測的概念和模型，提出了一種適合估計金融時間序列分佈的核密度函數，並採用加權法推廣了時間序列核密度估計模型
  10. Different results specify that the first kind of cost function is sensitive to the mismatch of ocean depth and receiver location, but is insensitive to sound speed profile ' s % $ jai8x9 @ t $ m & z mismatch and has high accuracy of depth localizaion ; the second kind of cost fimction is insensitive to all three kinds of mismatch, but its resolution of depth is very low ln order to overcome the cost function ' s sensitivity to mismatch, improvemedt of the accuracy of time delay estimation and model calculation may be adopted, when both conditions are reached, the sensitivity wiil be greatly reduced and the resolution of range and depth will be improved at the same time

    模擬結果表明，第一類代價函數對海底深度和基陣傾斜失配是敏感的，對聲速失配卻不敏感，並且能夠獲得較高的深度定位精度；第二類代價函數對三種失配都不敏感，只是深度解析度較低。為了克服代價函數對失配的敏感性，可採用提高時延估計精度和模型計算精度的方法。當兩個條件滿足時，敏感性得到極大的抑制並獲得了較高的距離和深度估計精度。
  11. Our condition and estimate are formulated in terms of the network parameters, the neurons ’ activation functions and the associated equilibrium point. hence, they are easily checkable. it is believed that these results are significant and useful for the design and applications of the delayed hopfield neural networks

    這些條件和估計的公式是由網路參數、神經元激活函數以及相應的平衡點構成，所以它們很容易使用，相信這些結果對于帶時間延遲的hopfield神經網路的設計和應用具有一定的重要性和使用價值。
  12. Under the condition of market perfect competition, and taking maximizing consumer ' s utility and producer ' s profit as the goal, rosen analyzed theoretically long - time and short - time equilibriums of the heterogeneous product market, that established the foundation for the design of hedonic price modeling

    在市場完全競爭的條件下，以消費者效用最大化和生產者利潤最大化作為目標， rosen從理論上分析了異質產品市場的短期均衡和長期均衡，為特徵價格理論的建模、特徵價格函數的估計奠定了基礎。
  13. This paper introduces an evaluation for assembly sequence of the products based on information entropy ( ie ), and specifies the evaluation criteria of the best sequence

    在定性分析認的基礎上，用信息熵對裝配次序進行量化評估，並提出了多標準綜合評價函數來選擇最優裝配次序。
  14. This algorithm does not need to choose non - linear function artificially, but automatically estimates score function according to the statistic identity of signals

    本演算法無需選擇非線性函數，而是根據信號的統計特性自動地直接估計評價函數。
  15. The relationship between the market clearing price and generation capacity adequacy is represented as a nonlinear function. based on the loads forecasted and the estimated maintenance schedules of generation companies, the market clearing price can be obtained

    模擬了現貨市場電價與系統發電容量充裕度之間的函數關系，依據對其它發電公司檢修起始時間的概率估計和負荷預測結果，求得發電容量充裕度、進而現貨市場的電價。
  16. The paper adopted multilevel discriminant analysis step by step to predigest the indexes and establish new index system. establish the four levels ' discriminant functions by the new index system

    摘要採用多因素分析方法從目前普遍認可的反映科技期刊學術水平的多項評價指標中篩選出影響作用大的指標，構建期刊學術水平評估指標體系。依據新的評估指標體系建立期刊方陣四類判別函數模型。
  17. Finally, the hjb equation of the value function has been obtained by the dynamic programming method, then by the analysis of equation and economic meanings of the equation and the variables, optimal strategies can be found. 3. the value evaluation of exploration innovation technologies based on output - growth production function & dea method with the fast development of the modern science and technology, technology and technology innovation have play a key role in the

    大連理工大學博士學位論文3 、基於產出增長型生產函數及dea方法的勘探創新技術價值評估現代科學技術的飛速發展，技術及技術創新對經濟增長已起到了關鍵性的作用，因此不僅從定性上，而且從定量上對技術創新在經濟增長中所起的作用進行正確的評估具有重要的現實意義。
  18. In this paper, firstly, the main methods of irnaging underwater and underwatr optical imaging development history are being introduced. coilsboction, principle and working circumstance of swg - l are noted. the optical properties of sea water are described, the effect to underwater imaging is analyzed. there are two parameters in evalvating tmderwater driaging quality : underwater contrast and optical tranfe fimction. underwater light source shoud be pay more attention. estimate and measurement of underwater light value are given at the sea depth where the system working

    然後對水的光學特性及其對水下成像的影響進行了理論分析，介紹了水下圖象質量評價的兩個參數即水中對比度和光學傳遞函數；對預期拍攝深度的海中照度進行了理論估算與實際測量；討論了水下目標輔助照明時應注意的問題。
  19. In this dissertation, the economic value added ( eva ) measure and the integrated multi - index evaluation method are adopted to evaluate firm performance ; the index method data envelopment analysis method and stochastic frontier production function method are used to analyze the firm productivity and efficiency ; the relation of performance and efficiency is discussed, the following viewpoint is stressed : only good performance supported by high efficiency could have solid foundation and be sustained ; the empirical study on public firms of electronic industry is conducted ; at last, the stock price of public firms in electronic industry and the bubble of chinese stock market are analyzed which are based on the fundamental aspect

    績效和效率並不總是同方向變化。本文採用經濟增加值（ eva ）方法和多指標綜合評估方法評估企業績效；使用指數方法、數據包絡分析（ dea ）方法和隨機前沿（ sf ）生產函數方法分析企業生產率和效率；論述了績效和效率的關系，認為好的績效只有用高效率支撐才具有穩固的基礎和可持續性；以電子行業上市公司為例做了實證研究；最後進行了基於上市公司基本面的電子行業股價和中國證券市場泡沫分析。
  20. Give some simulations about the doa ( direction - of - arrival ) estimation based on system of correlation equations. while the improved genetic algorithms was used. comparison of the accuracy of estimation for different objective function and different values of snr are given with narrowband signal

    該方法運用改進后的遺傳演算法對聲壓和質點振速之間的相關方程進行求解，當目標信號為窄帶時，對不同代價函數下遺傳演算法對信號的方位和強度估計進行了比較，並對信噪比、方位角變化時該方法的估計結果進行了模擬研究。
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