standard entropy 中文意思是什麼
standard entropy
解釋
標準熵-
The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested
在理論分析的基礎上，提出了以下的實用技術： 1 ）用譜分析方法從截獲的信息中自動提取同步信息； 2 ）用積分投影、微分定位的方法進行相位檢測，實現可靠的鎖相和電子穩像； 3 ）將電子穩像技術用於重加濾波和梳狀濾波的濾波方法，改進了濾波效果； 4 ）通過檢測圖像信息熵實現圖像採集參數的自動調整，改進了圖像採集的質量； 5 ）設計了用於儀器定標的標準測試圖，可以對泄漏信息進行定量檢測。 -
Context - based 2d - vlc entropy coder in avs video coding standard
基於上下文的二維變長熵編碼器 -
This program can work out some changes made by the operation of wet compression, such as the maximal mass of water spray, the temperature in the outlet of supercharger, and the consumed energy by the supercharger. in addition, this thesis gives the definition of efficiency of wet compression when the entropy of compressed air keeps constant, and it can be the standard for the study of wet compression
本文首先對增壓柴油機濕壓縮研究的主要部分? ?壓氣機，建立濕壓縮的數學模型，從理論上分析濕壓縮的最大噴水量，壓氣機出口溫度，壓氣機耗功等變化情況，並給出了等熵濕壓縮的定義，為濕壓縮研究建立了比較標準。 -
The paper introduces the theory of health of urban ecosystem into the study of ecourban in connection of national ecourban building which is now in the ascendant, builds a health evaluation model of urban compound ecosystem according to related studies, using as the standard for judging the level of ecourban building ; decides the multi - index weight of the model by using the method of entropy right, avoiding a subjective judgment which might be caused by the method of subjective evaluation and ; applies the model into living examples of ecourban planning of nanyang city, describes the development level of each sub - system of nanyang city and other cities of henan province, the coordination level among each sub - system and the overall health statement of compound ecosystem in a quantitative way, providing scientific decision - making basis for ecourban building of nanyang city
摘要針對當前全國方興未艾的生態城市建設，將城市生態系統健康理念引入生態城市研究當中，根據相關研究構建了城市復合生態系統健康評價模型，作為評判生態城市建設程度的標準；利用熵權法確定模型中的多指標權重，避免了採用主觀賦值法可能帶來的臆斷性；將評價模型應用於南陽市生態城市規劃實例中，以定量的方式描述了南陽市以及河南省其他城市各子系統的發展水平、子系統間的協調程度以及復合生態系統的整體健康狀況，為南陽市生態城市建設提供了科學的決策依據。 -
The adaptation processing includes linear prediction coefficient adaptation and adaptation of quantization step size for residual signals. based on g. 726, we adopt a huffman coder to make use of probability statistic of bit cascade covering n ( n 1 ) samples generated from adpcm, in order to further reduce the bit rate. ng is lossless entropy coding, the speech quality of our improved algorithm should be same as that of g. 726 standard
我們的研究和改進工作包括:研究最優非均勻自適應量化器，及其自適應演算法;研究波形預測函數，以及函數零點、極點的自適應演算法;基於每n （ n 1 ）個樣本所對應符號的概率統計，對預測殘差量化值再進行huffman編碼，進一步降低比特率。 -
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。 -
To the problem that the standard svm does not provide probabilities output, the probabilistic outputs for support vector machines is modeled based on the maximum entropy estimation
針對傳統的支持向量機方法不能提供后驗概率的輸出問題，從信息熵的角度採用最大熵估計方法，直接對支持向量機輸出進行后驗概率建模。 -
In decision tree algorithm, the famous one is id3 algorithm, which was presented by quinlan in 1986. it is not a algorithm increasing by degrees, and it uses information entropy as a standard to select attribute, but the disadvantage of this algorithm is that it is easy to select those attributes whose values is more, while attributes whose values is more are not always the best
在決策樹演算法中屬quinlan於1986年提出的id3演算法最有名，它是非遞增演算法，並且採用信息熵作為屬性選擇的標準，可是這個標準易偏向于值數較多的屬性，而屬性值較多的屬性卻不總是最優的屬性。 -
The standard is designed to give a new technical solution for a broad range of applications, such as very low bit rate conversational services and entertainment quality broadcast, interactive video - on - demand services etc. for the enhancement of the coding efficiencies, the new standard adopts new tools as following : multiple reference pictures, variable block - size with seven block sizes in motion prediction, quarter - pixel accuracy for motion vector, short word - length integer transform, context - adaptive entropy coding and loop filter deblocking
H . 264 / avc標準支持從低帶寬、高誤碼率的無線移動視頻通信到高帶寬、低誤碼率的有線視頻廣播等多種應用，因此，日益受到業界的關注。為了實現更高的編碼效率， h . 264 / avc標準採用了很多新的編碼技術，如多參考幀預測、多尺寸編碼塊模式、 1 / 4像素精度運動矢量、整數變換量化、基於內容的熵編碼、新型幀內預測、去除方塊效應的濾波器等。 -
Entropy standard entropy
熵標準熵 -
This paper first research on main technologies used by avs standard, which include prediction, transform, quantization, in - loop filter, and entropy encoding, and then focus on the 2d - vlc entropy coder of avs, which is context - based adaptive coder. this encoder operates on run - level pair, and it uses the type of current block and value of current coefficients to switch vlc code - table. these tables are designed according to the distribution of transformed coefficients, and this way is much better than using only one table to code all residual coefficients in one 8x8 block
本文首先詳細研究了avs標準的核心技術，包括預測編碼、變換量化、環路濾波器以及掃描和熵編碼等，之後重點研究了avs標準中使用的基於上下文的2d - vlc變長編碼方法，這種方法編碼的是（ run ， level ）數對，同時根據當前編碼塊的類型和殘差系數這兩種上下文信息來切換碼表，這些碼表是預先根據變換系數在不同位置的分佈信息設計好的，這樣要比只使用一個變長碼表來編碼塊內所有位置上的殘差系數的壓縮效果要好得多。 -
Taking the negative effect as standard which the household activity puts on its environment, the author designs a index system to reflect the disorder extent of household activities in the villages, which consists of four groups and 52 indicators. in accordance with conditions of entropy method and the present condition, the improved entropy method is adopted to assess the index weightiness
以對環境的負面影響為標準選取了反映村域農戶活動無序程度的52個相關指標，採用改進的熵值法進行指標體系的賦權，通過設計的農戶活動無序度模型，量化評估了調研村域的農戶活動無序度。 -
Standard molar entropy
標準摩爾熵
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