熵產生 的英文怎麼說
中文拼音 [shāngchǎnshēng]
熵產生
英文
[熱學] entropy production-
On the basis of the analysis of the thermodynamics entropy, the thermodynamics entropy of the road traffic system is built up, and the mechanism of the entropy producing is revealed
在分析熱力學熵的基礎上,構造了道路交通系統的類熱力學熵,揭示了道路交通系統類熱力學熵產生的內部機制,並通過熵理論建立了系統狀態變化的微分方程。The dynamic adjustment of an alluvial river has a tendency that the entropy production or the rate of energy dissipation of flow is minimum rather than the entropy is maximum when a river is in a relative equilibrium condition
當河流處于相對平衡狀態時,水流的熵產生或能耗率為最小值。最小熵產生原理或最小能耗率原理保證了河流在相對平衡狀態的穩定性。And others are found, and the expression of minimum rate of energy dissipation of flow is re - derived based on the theory of minimum entropy production. ( 2 ) it will be pointed out that the entropy is different from the entropy production in a river system
( 2 )指出河流系統中的熵與熵產生是兩個不同的概念,沖積河流在調整過程中,力求使水流的熵產生或能耗率趨于最小值,而不是使熵趨于最大值。The two basic theories of non - equilibrium thermodynamics, the minimum entropy production and the dissipative structure, are introduced. it will be shown that, by using the relationship between the entropy production and the rate of energy dissipation, the minimum entropy production is equivalent to the minimum rate of energy dissipation
本文首先介紹了非平衡態熱力學的兩個基本理論?最小熵產生原理和耗散結構理論,並根據熵產生與能耗率關系,得出最小熵產生原理與最小能耗率原理二者等價的推論。The super entropy produce criterion is a good tool to judge the system ' s abrupt change from a lower grade to a higher one. in this paper the entropy of the urban resource - environment system was defined, and in an example of its application the super entropy produce criterion of the urban resource - environment system reflected the real developmental process of the whole system. furthermore, in this paper, a new model for the grid size optimization of the finite element method ( applied to the water quality modeling of the topographically complicated river ) was brought forward based on the maximum information entropy theory in condition that the length of gird was given
超熵產生判據為我們提供了判斷系統從低級有序向高級有序突變過程的工具,本文提出了城市資源與環境系統熵的定義,在實例中的應用證明城市資源與環境系統的超熵產生判據較好地反映了整個系統的演化情況;另外,本文針對在城市復雜河道情況下,利用有限單元法求解河流水質模型時網格單元大小難確定的問題,引入網格信息熵的概念,提出了有限單元法求解河流水質模型的網格優化方法。According to the causes to the five types of entropy produces ( component entropy, structural entropy, functional entropy, time entropy and environmental entropy ) we can get that a city with the aim to sustainable development should act as follows : keeping far from equilibrium, enhancing the communication with the outside world, keeping positive reaction to changes, promoting dynamic cooperation and amplifying fluctuation selectively
根據城市五種形式熵產生(組分熵、結構熵、功能熵、合時熵與環境熵)的原因可以得出,一個可持續發展的城市應努力做到以下四點:保持非平衡狀態,增強與外界的交流;積極應對變化;推動動態協作;選擇性地放大漲落。The results showed that grey relation entropy order of peanut yield and main traits was 100 - kernel weight, 100 - pod weight, pods per plant, no. of pod branches, length of subbranches, shelling percentage, no. of branches, plant height, leaf spot resistance, bad pods per plant, growing period
結果表明,花生產量與農藝性狀的熵關聯度為:生育期0 . 9558 ,株高0 . 9859 ,分枝數0 . 9887 ,結果枝數0 . 9920 ,側枝長0 . 9888 ,單株果數0 . 9932 ,葉斑病病指0 . 9839 ,爛果數0 . 9858 ,百果重0 . 9933 ,百仁重0 . 9936 ,出仁率0 . 9887 ;熵關聯序為:百仁重百果重單株果數結果枝數側枝長出仁率分枝數株高葉斑病病指爛果數生育期。It ' s a pity that although there are many papers and articles focused on data mining published every year, most of them deal with data mining concept and abstract algorithm theory, it is hardly to see their real implementation and application, in this context, when i was in my graduate exercitation in a company in beijing, which focus on developing supermarket software, i joined and completed an olap ( online analytical processing ) project, merchandise analysis and sale report system, which based on microsoft analysis service and microsoft sql server. i also design and implement three important algorithms : merchandise association rule algorithm based on multi - level merchandise category, supermarket member customer shopping frequent sequence generating algorithm, customer classification ( decision tree ) algorithm which based on information entropy and conditional probability tree, and they all achieve expected result
本文作者在實習期間,參與並完成了基於微軟分析服務器的銷售分析與報表系統;並在公司即將開始的數據挖掘項目中,完成了多個重要演算法的設計和c + +程序實現:基於多層分類商品樹的商品關聯規則演算法,會員顧客的購物頻繁序列模式產生演算法;基於信息熵理論和條件概率樹的會員顧客分類(決策樹)演算法,並分別使用數據進行了測試,取得了較好的結果。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
在多目標優化的基礎上,研究了混合流水生產系統的多目標決策問題,針對多目標協同優化得到的pareto前端,依據決策方案的輔助信息、對指標有偏好的信息以及對決策方案有偏好的信息等,採用測度函數、 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標個體決策和群體決策,把多目標優化與多目標決策聯系起來。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。In order to accurately calculate the available energy dissipation resulted from the steam flowing through a restrictive device, a new view point for measuring energy in steam piping network system has been put forward, i. e. a model for computing the available energy dissipation has been obtained through entropy equation in occurrence process of the resistance, which is deduced from steam condition equation of iapws - if97
為了準確計算蒸汽流經阻力件產生的可用能損耗,提出了蒸汽管網系統能量計量的新觀點,即通過iapws - if97的蒸汽狀態方程,推導出阻力發生過程的熵方程,得到可用能損失計算模型。The results showed that quasi - isentropic compression energy waves were produced after the impact with mg - face of the flier - plate, whose initial velocity jump, peak velocity and front ' s rise - time were all different from the general shock loading wave profiles
結果表明,梯度飛片正向擊靶后產生的是波陣面明顯被展寬的準等熵壓縮波,準等熵壓縮波的初始速度跳躍、速度峰值和波陣面前沿的上升時間都呈現出不同於傳統沖擊波陡峭上升波形的特徵。Abstract : as the middle part between green production and green consumption, the environment - friendly green food logistics features with low entropy, low damage and recyclability, exerting great importance on environment protection and food safety
摘要:綠色食品物流作為綠色生產和綠色消費的中間環節,具有環保性、低熵性、低損性及可循環性的特點,對環境保護、食品安全都有十分重要的作用。The results showed that quasi - isentropic compression energy waves were produced after the impact, whose initial velocity jump, peak velocity and front ' s rise - time were all different from the general shock loading wave profiles. furthermore, the higher the impact velocity, the smaller the extended wave ' s front while the higher the peak velocity
結果表明,梯度飛片擊靶后產生的是波陣面明顯被展寬的準等熵壓縮波,準等熵壓縮波的初始速度跳躍、速度峰值和波陣面前沿的上升時間都呈現出不同於傳統沖擊波陡峭上升波形的特徵。Various data compression techniques are studied and summarized in this paper, including the traditional and the newly developed techniques, then analyses the features of pipeline leak signals, such as the mechanism of production, entropy and correlation coefficient, are analyzed, and finally a universal and low - complex lossless compression algorithm is proposed and implemented in the pipeline leak detection and location system
本文研究和總結了國內外傳統和最新發展的各種數據壓縮技術,然後分析了管道泄漏信號的特徵,包括管道泄漏信號的產生機理、信息熵和相關系數,提出了一種適合於管道泄漏檢測定位系統的通用、低復雜度的無損壓縮演算法。For the exponential - golomb code is a kind of prefix - codes, and the fact that using prefix - code means there are some strings that cannot be used any more. moreover, it may have some redundancies in it. therefore, we introduce a new algorithm that can remove these redundancies in this paper
由於2d - vlc中使用的指數哥倫布碼是一種前綴碼,而使用前綴碼本身就意味已經有一部分的0 / 1串不能被使用,從而產生冗餘,所以本文研究了一種可以消除這種碼字構造冗餘的演算法,即基於前綴碼的視頻熵編碼演算法( pcbe ) ,對其給予了完整的數學描述,證明了這種演算法應用於avs標準中的可行性。The experimental results show that the information entropy window with the wavelet sub band method enables to produce favorable visual characteristics, and the efficiency of contrast enhancement is 80 % greater than that of the conventional method
實驗表明,採用信息熵窗的小波分析方法來增強弱目標圖像能夠產生良好的效果,對比度增強效率比傳統增強方法提高80 %以上。Based on the project of cellular manufacturing in the first workshop of zmj company and through comparing to logistics entropy and order degree in production logistics system before and after the project implementation, the paper validated the actual applied effect of the logistics entropy model. thus, it finished the demonstration research of the model
論文並以zmj公司一加工車間實施單元製造項目為背景,通過比較項目實施前後的生產物流系統的物流熵及其有序度,驗證通過物流熵模型實現生產物流系統優化的實際應用效果,從而完成物流熵模型的實證研究。Furthermore, the efficient frontier derived by the optimal portfolios of stocks selecting by three - dimensions entropy decision making model can fit the efficient frontier of optimal portfolios derived from the whole stocks. the three - dimensions entropy decision making criteria can help investors select a proper number of suitable stocks to make portfolio. secondly, we produce entropy weighting double points method by combining entropy weighting method and double points method
其次,將熵權法與雙基點法相結合產生熵權雙基點法,給出了該方法詳細的思路和運算步驟,並將其應用在股票投資價值評價中,通過對六隻鋼鐵產業類股票的實證分析表明,熵權雙基點法在比較股票間相對投資價值時具有較大優勢,基本上能夠如實的評價待評股票的投資價值,為投資者進行投資決策提供良好可靠的建議。In building fuzzy decision tree, each expanded attribute ca n ' t classify the class label clearly like decision tree, but the cases covered with the attribute - values have some overlap. so the entire process of building trees is based on a significant level a, the import of a can reduce such overlap in some degree, decrease the uncertainty of classification and improve classification result
在模糊決策樹的產生過程中,用模糊熵選擇的擴展屬性不能像經典決策樹那樣將類清晰的分開,而是屬性術語所覆蓋的例子之間有一定的重疊,因此樹的整個產生過程在給定的顯著性水平的基礎上進行,參數的引入能在一定程度上減少這種重疊,從而減少分類的不確定性,提高模糊決策樹的分類結果。分享友人