entropy value 中文意思是什麼
entropy value
解釋
熱力學函數值-
By the polygonal approximation method, a global approximation solution is constructed for the initial - boundary value problem of nonconvex scalar conservation laws with two - side boundary effect, and its convergence to the global weak entropy solution of the corresponding problem is proved
摘要使用折線逼近法，對具有兩條邊界影響的非凸單個守恆律初邊值問題構造了整體近似解，並證明其收斂到初邊值問題的整體弱熵解。 -
Developing from the typical decision tree learning system ids and using the idea of weight sum, we did exploring research on the application of decision tree technology, using weight entropy to get predicted attribute and division value, in crm of tourism industry
在典型的決策樹學習系統id3之上，利用「加權和」的思想，在對決策樹技術（使用加權熵來獲得預測屬性和分裂值）在旅遊crm中應用上作了探索性研究。 -
And if disturbing enhanced, the intercalation dimension estimate value and kolmogrov entropy will rise too
隨著非均勻度減小或擾動加大， kolmogorov熵值均增大。 -
Concretely, we separate its products into n series, which composed n strips non - crossed logistics, and then we find m factors that influence the logistics to build eigenvalue matrix of mxn. by the method of entropy weight, we get the weight of the influencing index factors and the value of entropy in each strip and the total entropy of the logistics system
具體來說是把該公司的產品分成n大系列，這n個系列就構成了互不交叉的n條物流，找出影響物流的m個因素，建立m n的特徵值矩陣，又利用熵權法求出影響因素指標的權重，求出每條物流的熵值以及整個物流系統的熵，最終求出物流系統的有序度。 -
The atom of which number of valence electron is half of the sub - layer of electron has magnetic entropy value according to the theoretic calculation
根據理論計算，價電子為半滿的原子全形動量量子數j值比較大，從而有大的磁熵值。 -
And weighted infromation entropy and weighted conditional entropy of information system based on set - value function is presented also
還提出了基於一般的集值函數的信息系統加權信息熵和條件熵概念。 -
The investigated results express that configurational entropy will increase with increasing temperature and is determined by the heat capacity difference, which is restricted within the constant value and a value inverse with temperature
研究結論表明：聚合物的構型熵隨溫度的上升均增大，並由同一物質非晶態的熱容量與晶態的熱容量之差決定，其變化限制在熱容量差為恆定及與溫度成倒數的范圍之內。 -
The major contributions of the dissertation are as follows : 1. it is well known that the multi - value cdma spreading codes can be designed by means of a pair of mirror multi - rate filter - banks based on some optimizing criteria. the dissertation indicates that there exists a theoretical bound in the performance of its circular correlation property, which can be described by an explicit expression. based on this analysis, a criterion of maximizing entropy is proposed to design such codes
研究了基於兩帶鏡像多速率濾波器組來設計的多值cdma擴展碼的方法，並推導出了基於這種方法設計的碼序列在循環相關特性方面所能達到的極限，以及達到此理論極限時應滿足的條件；在此基礎上，提出了一種基於熵最大化準則來產生cdma擴展碼的設計方法。 -
Secondly, this paper mainly put forward different grey level threshold value segmentations of plane target after brief analyse the smooth and sharp image of image strengthen technology, segmentation for the overall situation, adopt the maximum variance method, the maximum entropy combine with adaptive threshold selection method, the maximum variance ration between two classes and in two classes ; segmentation for the part situation, has adopted the adaptive threshold value method ; to background more complicated segmentation, have adopted the two - dimentional maximum entropy method
其次，在簡要的分析了圖像平滑和銳化的圖像增強技術后，重點研究了飛機目標的灰度分割，提出不同的灰度閾值分割方法進行圖像分割，對于全局分割，採用了最大類間分割法、最大熵與一致性準則相結合法、最大類間類內方差比法;對于局部分割，採用了自適應閾值法;對于背景較復雜的分割，採用了二維最大熵法。 -
At the doppler centroid aspect, this paper make use of maximum value method ; energy method and autocorrelation function method to estimate doppler centroid. at the doppler frequency aspect, this paper make use of image offset method ; time - frequency method ; minimum entropy and fractional fourier transformation method to estimate doppler frequency rate
在多普勒參數估計中，採用了最大值法、能量法和自相關函數法進行多普勒中心頻率估計;採用了圖像偏移法、時頻分析法、最小熵法和分數階傅里葉變換法進行多普勒調頻斜率估計。 -
As far as the system observation for accuracy evaluation of carrier rocket is concerned, there may exist different types of observed data and priors. heterogeneous information means that the different information describing the different characteristics of the same object. since all of the information is relevant to the same object, the fusion is possible. it is a key problem that how to fuse the heterogeneous information to obtain the better evaluation result. therefore, the different heterogeneous information and data is thoroughly studied, moreover, the mathematical description for information fusion of different parameter priors and data is constructed in this paper. based on their relationship between different parameters, indirect prior and observation data is transformed into prior in impact point observation space, which is fused with original prior by weight determined by maximum entropy rule to obtain the mixed posterior distribution. therefore, the test results can be given by combining posterior distribution and impact error observed data. then its application on evaluating guidance systematic error is elaborated as it applies trajectory tracking data, test value of coefficients of guidance instrumentation systematic error, impact point observation data and prior. especially, the advantage of this method lies in its application in case that guidance instrumentation systematic error may not be computed precisely. finally a detailed example on evaluation of carrier rocket is given to verify the theory
為充分利用運載火箭觀測中的不同觀測空間和過程的信息來進行精度評估，針對該背景建立了異質先驗融合的數學描述.研究了飛行試驗中不同觀測空間和過程的異質先驗信息和數據，基於不同觀測過程的解析關系，將間接過程的先驗和觀測數據算出的后驗分佈轉換成落點觀測空間上的先驗，與原落點的先驗進行了最大熵加權融合，得到混合后驗分佈，從而結合落點觀測數據給出評定結果.在無法解算出精確的制導工具誤差系數的情況下，這種方法充分利用了彈道跟蹤數據、工具誤差系數的地面測試先驗值、落點先驗及落點數據，穩健性更好，準確性更高 -
By the structure of weak entropy solution of corresponding initial value problem and the boundary entropy condition which was developed by bardos - leroux - nedelec, we give a construction method to the weak entropy solution of the initial - boundary value problem
由相應的初始值問題弱熵解的結構和bardos - leroux - nedelec提出的邊界熵條件，給出初邊值問題弱熵解的一個構造方法。 -
Compared with the initial value problem, the weak entropy solution of the initial - boundary value problem includes the following new interaction type : a central rarefaction wave collides with the boundary and the boundary reflects a new shock wave which is tangent to the boundary
與初始值問題相比較，初邊值問題的弱熵解包含了以下新的相互作用類型：中心稀疏波與邊界相撞，邊界反射出一個與之相切的新激波。 -
According to the structure and some global estimates of the weak entropy solution, we derive the global l1 - error estimate for viscosity methods to this initial - boundary value problem by using the matching traveling wave solutions method
根據弱熵解的結構和一些整體誤差估計，使用匹配行波解方法證明了在l ~ 1 -范數下初邊值問題的粘性逼近方法的整體誤差估計。 -
Based on analyzing the existing risk measure methods and the difference of risk essence, proposed one new risk measure method value - entropy, and has given the optimization model of securities investment portfolio. and conducts the empirical research using the shanghai stock market related data, the result shows the model can deal with distributing of “ the thick tail ”
在深入分析現有風險度量方法和風險本質差異的基礎上，提出一種新的風險度量方法? ?價值熵，給出了證券投資組合優化模型，並利用上海股市有關數據進行實證研究，結果表明該方法能夠很好的處理「厚尾」現象。 -
It also studies the influencing factors including sampling frequency, pd waveform, decline time, time intervals between pd pulses, mother wavelet, center frequency of interference, entropy threshold value and snr. in addition, it applies wavelet packet method （ wpm ） for non - stationary signal de - noising in on - line pd monitoring and analyzes the processing results under different pd waveform, sampling frequency and noise level. firstly, the curve of pd
基於小波包變換的非平穩信號消噪演算法（ wpm ）已較為成熟，本文將其應用於局部放電在線監測，通過研究其對不同局放波形、采樣率、噪聲水平下的處理效果，首次提出了理想白噪聲條件下提取局部放電信號的曲線，分析了各種因素對該演算法下信號失真的影響。 -
In view of the uncertainty of indexes for evaluating air quality the entropy value theory is applied to combine with fuzzy matter - element method to establish an entropy fuzzy matter - element model
摘要鑒于大氣環境質量評價中客觀存在的不確定性和模糊性，將熵值理論與模糊物元分析法相結合，應用於大氣環境質量綜合評價中，建立了基於熵權的模糊物元模型。 -
By combine the entropy value theory and attribute recognition model together, attribute recognition model based on coefficient of entropy is set up and applied to evaluating groundwater quality by the new method, coefficient of weight calculated with law of entropy value is exercised the problem of calculating coefficient of weight subjectively
通過將熵值法與屬性識別模型相結合，建立了基於熵權的屬性識別模型，應用一種新方法進行地下水水質綜合評價，它運用熵值法來確定權重系數，能夠避免權重確定的主觀性問題。 -
Actually, the application research of a theory in a new field requires continuous efforts, progressive promotion for somewhat perfect, and the endeavor to lower the entropy value to the maximum ; however, it should be aware that the theory will by no means in exact conformity with the facts, due to the existence of base entropy
一個理論在一個新的領域的應用研究，必然要通過許多人的努力，不斷完善，不斷改進，以求達到科學應用，最大限度地降低其熵值；但是由於基熵的存在，理論與實際情況永遠不可能完全吻合，這一點毋庸置疑。 -
In chapter 4, using the points of view of dissipative theory, the dissipative structure characteristics of ecological - economic system in the changjiang river basin is analyzed, the development course and evolution characteristic of the ecological - economic system in the changjiang river basin is demonstrated, and at last the negentropy sources and the entropy value of the ecological - economic system in the changjiang river basin is radicated
第四章運用耗散結構觀分析研究了長江流域生態經濟系統耗散結構特徵，並用耗散結構理論論證了長江流域生態經濟系統演變過程與演化特徵，最後確立了長江流域生態經濟系統的負熵源與熵值。
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