純量隨機變數 的英文怎麼說
中文拼音 [chúnliángsuíjībiànshǔ]
純量隨機變數
英文
scalar random variable- 純 : 形容詞1 （純凈; 不含雜質） pure; unmixed 2 （純粹; 單純） simple; pure and simple 3 （純熟） skil...
- 量 : 量動1. （度量） measure 2. （估量） estimate; size up
- 隨 : Ⅰ動詞1 （跟; 跟隨） follow 2 （順從） comply with; adapt to 3 （任憑; 由著） let （sb do as he li...
- 機 : machineengine
- 數 : 數副詞（屢次） frequently; repeatedly
- 隨機 : random stochasticrandom
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Considering the fuzziness of some boundary conditions enviroment media, and especially some loads in the engineering structure analysis, we go further into the computation based on the dynamic problem of fuzzy finite element ( ffe ), study further and systematically the analysis and solution. the principle of fuzzy minimum potential energy is established, and the balance equation of fuzzy finite element is reasoned by making fuzzy variation. at the same time, the dynamic balance equation of stochastic by making stochastic variation ， also the fuzzy stochastic dynamic balance equation is deduced. based the theory that the degree of the fuzziness and probability can be measured, in the other word, by using the concept of fuzzy entropy and entropy, pure fuzzy dynamic structure is given through transforming the probability to fuzziness. for the fuzzy parameter can be regarded as a fuzzy vector with dimensions, the structure ' s eigenvalue, by the theory of small parameter
建立了模糊瞬時最小勢能原理，運用模糊變分原理導出了模糊有限元動力平衡方程；同時，利用隨機變分原理導出了動力問題的隨機有限元方程，同時得到了模糊隨機動力問題的有限元平衡方程。根據模糊度和概率度可以度量的原理，即利用模糊熵和概率熵的概念，把結構的隨機性等效地轉化為結構的模糊性，得到純粹模糊性的動力結構。把結構所具有的模糊參數看作一個維的模糊向量，利用小參數攝動原理，把結構的特徵值，特徵向量和位移都在模糊向量的均值處進行泰勒展開，得到一組遞歸方程，即可以求得結構的模糊特徵值，特徵向量和模糊位移。We used this system to check some representative images on the web, we could got a conclusion that most encode images is easy to decode. without right theory they can ’ t build a robust encoded image. and through thorough experiments by this platform i have concluded such points : single alpha encoded is useless, we must encode all characters as whole ; confusion points are useless, we must use confusion lines which look like stroke ; enlarge base of character such as chinese character, not only digital number and alpha
並且通過該平臺的廣泛實驗總結出增強圖片加密強度的幾個要點:只加強單個字的加密是不行的，必須把整體作為加密對象，增強字與字之間的干擾;單純的噪點作用不大，具有筆畫特徵的干擾線作用更大;應該引入一些隨機變量，比如每副圖片的字個數隨機，加密方法隨機選擇;增大可選詞匯的基數，可以考慮使用漢字，而不單純是數字和英文。
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