熵常數 的英文怎麼說

中文拼音 [shāngchángshǔ]
熵常數 英文
[物理學] entropy constant
  • 熵 : 名詞[物理學] entropy; thermal charge
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. Firstly, we study the construction of emotion - speech template database, and analyze the common features such as pitch, energy and formant. after choosing the useful features by using fuzzy entropy effectiveness analysis, we get better performance with the application of neural network. in addition, we propose some more efficient features such as speech rate, pitch slope, mel - frequency cepstral coefficients and its transient parameters, and design a processing model based on vector quantization for cepstral features to fusing different features

    本文首先介紹了情感語音數據庫的建立情況，然後研究了基音頻率、振幅能量和共振峰等目前常用的情感特徵在語音情感識別中的作用，並且通過一種基於模糊熵的特徵有效性分析方法進行了有效特徵的篩選，應用人工神經網路建立了初步的語音情感識別模型，經過實驗發現特徵篩選后系統的識別效果有著一定程度的提高。
  2. One problem is that the treatment of the conformational entropy is either simple to set to a constant, or still complicated to depend on the calculation of the probability of each rotamer

    其中一個問題就是：對于構象熵的計算要麼是簡單的設置為常數，要麼在計算上十分復雜，需要對每一個柔性鍵的轉動幾率進行描述。
  3. Neural networks are used more frequently in lossy data coding than in general lossless data coding, because standard neural networks must be trained off - line and they are too slow to be practical. in this thesis, statistical language model based on maximum entropy and neural networks are discussed particularly. then, an arithmetic coding algorithm based on maximum entropy and neural networks are proposed in this thesis

    傳統的人工神經網路數據編碼演算法需要離線訓練且編碼速度慢，因此通常多用於專用有損編碼領域如聲音、圖像編碼等，在無損數據編碼領域應用較少，針對這種現狀，本文詳細地研究了最大熵統計語言模型和神經網路演算法各自的特點，在此基礎上提出了一種基於神經網路和最大熵原理的算術編碼方法，這是一種自適應的可在線學習的演算法，並具有精簡的網路結構。
  4. Research of error resilience technology for video communication based on h. 263 codec major : signal and information processing data : author : meng yan signature : tutor : zhang erhu liu shichang signature : abstract the reconstructed image quality can be degraded substantially by errors during the transmitting over the communication channel, especially when the video is compressed by temporal and spatial coding ways, which leads to error propagation in frame sequence, so the error resilience procedure should be performed to improve the reconstruction quality

    由於通信系統的通道不可避免的存在噪聲，傳輸數據流必然存在誤碼。對于h . 26x的視頻編碼流，由於空域和時域的壓縮方法以及熵編碼方法的應用，即使是一個比特的錯誤，常會影響一個區域的圖像不能正確解碼，同時錯誤的圖像還會擴散影響后續數幀圖像。因此有必要在標準解碼程序的基礎上，添加容錯功能。
  5. The exhaust system and muffler are simplified as a set of 1 - d pipes with non - isentropic flow and with variable sections. the partial differential equations of non - stationary flow are transferred into the stationary differential equations by means of the characteristic lines. these equations are solved by finite difference method

    在排氣管系的計算中將排氣管簡化為一組一維非等熵變截面管，並通過「特徵線法」將描述其運動的非定常流的偏微分方程轉化為常微分方程，再用差分數值方法依靠計算機求解。
  6. For focus measures, frequency spectrum functions, gradient functions and entropy function are analyzed in detail

    其次，本文從頻譜函數、梯度函數、熵函數等方面詳細分析了對焦深度法中常用的對焦評價函數。
  7. The calculation determined the main point defect under different cd pressure and the reaction enthalpies and entropies and the equilibrium constants in ( cd, zn ) te according to the quasi - chemical equations written for cdte sublattice. also the recipe of two - zone annealing process for cd0

    根據計算結果，確定了不同氣氛條件下cd _ （ 1 - x ） zn _ xte （ x = 0 . 05 ）晶體中佔主要地位的點缺陷和相關偽化學反應式的反應焓、反應熵及平衡常數，給出了兩溫區本徵退火的具體參數。
  8. We also prove that the radius of a rotating spherically symmetric star, with given constant angular velocity and constant entropy, is uniformly bounded independent of the central density. this is different to the case of the non - rotating star

    非常有趣的是，當角速度和熵函數都是常數時，旋轉對稱星體的半徑關于中心密度是一致有界的，這與非旋轉星體是截然不同的。
  9. Expanding capital operation, as an important part in development strategy, is closely related with the long - term development of listed companies, therefore, listed companies should hold strategical view in planning and making - decision in conducting expanding capital operation. based on sustainable development principle, the dissertation analyses the essence of expanding capital operation and its basic models according to the theories of capital operation ; combined with existing situation of china ' s listed companies, analyses internal causes and external factors which lead expanding capital operation falling into dire straits, and advances that using strategy is a breakthrough point to solve the problem. then, with the logical line of strategical management " analysis of strategical environment - settlement of strategical targets - drawing - up and choosing strategical model - implementing and controlling strategy - assessing strategy ", brings strategy into expanding capital operation process, analyses factors effecting expanding capital operation, and constructs decision - making model for choosing strategical styles ; in the implementation stage, focus on fixing exchange price and the whole integration management ; at final, using conglomerate m & a strategy as an example, utilizing entropic measure method, regression - analysis, variance - analysis and spss digital - statistic software, constructs a model to illustrate the relationship between diversified m & a strategy and economic performance of listed companies, puts forward the suitable expanding capital operation style for china ' s listed companies, and gives some suggestions

    本文以公司持續發展為原則，根據資本運營理論，分析外擴型資本運營的內涵及其三種基本模式；並與我國上市公司的實際情況相結合，分析目前上市公司外擴型資本運營陷入困境的內在原因和宏觀因素，提出以戰略為支撐是我國上市公司外擴型資本運營走出困境的突破點；然後以"戰略環境分析-戰略目標定位-戰略制定及模式選擇-戰略實施與控制-戰略評價"的戰略管理邏輯主線，將戰略引入上市公司外擴型資本運營的各個階段，分析了影響上市公司進行外擴型資本運營的內外部因素、確立戰略性經營目標，構建我國上市公司外擴型資本運營戰略模式的決策模型；在戰略實施階段，重點研究交易價格的確定和全面整合管理；最後，以目前我國上市公司外擴型資本運營中常見的混合併購模式為例，運用熵測量法、回歸分析、方差分析等計量方法及spss大型數據統計軟體，構建模型，研究上市公司混合併購戰略與經濟績效的關系，在分析結果的基礎提出適合我國上市公司發展的外擴型資本運營模式及相關的建議。
  10. Popular choices are the exponential and inverse power functions typically used in entropy models, and the gamma function often recommended in us planning practice

    大多數的選擇是指數和熵模型中常用的反冪函數，在美國的計劃編制中通常建議採用函數。
  11. Abstract according to the defect of the conventional bayes " method in the geomechanical engineering back analysis, expanding bayes " method was established in this paper. with the applications of the probability theory and the mathematical statistics principle, the geomechanical engineering random back analysis objects function was founded based on the aic criterion of the decision information theory and the maximum entropy criterion, a the matching question between the observed information and the previous information of the conventional bayes " method were proposed. in addition, the least square method, maximum likelihood method and conventional bayes " method were unified in form

    本文針對巖土工程反分析中使用的傳統貝葉斯法中存在的缺陷，提出了擴展貝葉斯法，從概率論和數理統計的原理出發，建立了基於決策信息論中aic準則和最大熵準則的巖土工程隨機反演的準則函數，解決了傳統貝葉斯法的觀測信息與先驗信息的匹配問題，並從形式上完成了目前常用的最小二乘法、最大似然法及傳統貝葉斯法準則函數的統一，並可由觀測數據的質量和數量進行預測模型的辨識。
  12. The numerical simulations of loading processes of flier - plates show that the loading history of the flier - plate designed with wave impedance as design parameter is significantly different from that of the flier - plate designed with density as design parameter and the former is expected to have better quasi - isentropic characteristic, which indicates that it is very essential to use wave impedance as design parameter directly to design the wave impedance distribution of flier - plate

    而以波阻抗作為設計參數，所得飛片的擊靶波形隨時間的變化更加平緩，有望獲得更好的準等熵壓縮性能。因此，直接採用波阻抗作設計參數，實現梯度飛片波阻抗分佈的精確設計是非常必要的。
  13. The existing algorithms usually add damping term of the form. xlog. x into their objective function in order to control matching matrix ' s entropy. the shortcoming is that the two - way constraints need to be enforced by using sinkhorn method

    這類演算法為了控制匹配矩陣元素的熵，通常在目標函數中加入xlogx形式的阻尼項，其缺點是需要用sinkhorn交替歸一化方法或其它方法使匹配矩陣滿足雙向的行列約束。
  14. An information entropy - based uncertainty measure is presented first based on generalized rough set model in this paper, which is suitable for evaluating rules retrieved from noisy data. second, this paper puts forward generalized minimal - and - maximal - rules - learning methods and generalized maximal - minimal - rules - conversion model because we can encounter noisy problems in most real - life problems. third, this paper puts forward a new discretization method for the continuous attributes, which is based on the clustering and rough sets theory

    本文在對粗集及其相關理論的研究基礎上，首先給出了一種基於推廣粗集模型和信息熵的規則不確定性量度，該不確定性量度適于評價從有噪音數據中提取的規則；鑒于實際應用中經常能遇到噪音的問題，本文提出廣義極小極大規則學習方法，同時還提出了廣義極大極小規則轉換模型gmm ；最後，本文基於聚類方法、結合粗集理論提出了一種新的連續屬性離散化方法。
  15. As well as, using vector operation substitute scale operation in order to improve compression rate condition on keeping on distortion. by tool of vc + + simulate the result of research. finally, compared with jpeg, we can draw on a condition : using dct table substitute dct calculate and using vector operation substitute scale operation which can attain that is high compression rate and steady distortion

    其中，在dct變換中通過使用dct查詢標的方式代替dct常規變化，達到減少計算機乘除運算次數的目的；量化過程中通過使用矢量量化代替標量量化，達到在保證最小失真度的前提下提高壓縮比，並因此省略了jpeg壓縮中的熵編碼過程，簡化了壓縮過程，同時獲得最佳壓縮效率。
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