隨機函數 的英文怎麼說

中文拼音 [suíjīhánshǔ]
隨機函數 英文
random function
  • 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
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 隨機 : random stochasticrandom
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. This thesis studies the law of affecting de - noise result and the selection of the threshold and the wavelet function, the combination of wavelet and fft in the fault diagnosis of turbine - generator sets : by the de - noise anslysis of blocks and sin signals, concludes : to blocks signals, usually adopts soft threshold ; the law of affecting de - noise result is when use wavelet auto - de - noise, with the increasing of decomposed level, the de - noise result becomes worse while the level blow the 3, when the level above 3 and when uses wavelet packet, it is the other way round ; the best de - noise methods of the signal is that uses " dbl " wavelet function, three level, soft and " rigrsure " threshold

    本文研究了分解層數對消噪結果影響的規律和閾值、小波函數的選取，結合小波分析與fft分析診斷汽輪發電機組的故障。通過對brocks和sin兩信號的分析，得出：對blocks信號進行分析一般採用軟閾值；分解層數對消噪結果影響的規律為用小波自動降噪在分解層數小於3時，隨著分解層數的增加，消噪結果變好，反之，則變差，用小波包降噪時隨著分解層數的增加，消噪效果變好；適宜選用dbl小波軟rigrsure閾值自動消噪。
  2. The rand ( ) function generates a random integer

    函數的作用是：產生一個隨機整數。
  3. 3 rueppel r a. on the security of schnorr s pseudorandom generator. in advances in cryptology - eurocrypt 89, lncs 434, springer - verlag, houthalen, belgium, april 1989, pp. 423 - 428

    Luby和rackoff的主要結果是：如果輪函數是偽隨機函數，則3輪feistel結構是偽隨機的， 4輪feistel是超偽隨機的。
  4. The probability of normal r. v. with absolute value less then and equal to one, two, and three unit standard deviations are calculated from error function, the cumulate probability distribution of normal density

    常態分佈隨機變數絕對值小於等於一個、兩個、三個標準差之機率分別代入累積機率分佈函數（誤差函數）算出其對應之機率。
  5. For the single degree of freedom systems, the randomicity of mass and stiffness can considerably weaken the peak value of frequency response functions

    用monte - carlo數值模擬技術對含隨機參數結構頻率響應函數進行分析。
  6. All the algorithms are implemented in c. to assess the performances of the algorithms, we first apply theoretical distribution and use pseudo - random function to generate some synthetic datasets, on which experiments are then performed to find hybrid association rules

    所有演算法均用c實現。為驗證演算法的有效性，我們根據理論分佈，使用偽隨機函數生成了若干數據集，進行了關聯規則挖掘實驗，並對實驗結果進行了分析。
  7. Q ( t ) ) dt + ( t ) dwtq ], and the interest rate of the riskless asset 、 the volatility rate and the dividend rate of stock are non - random functions of time, the pricing formula of two - points reset option is obtained by using martingale and stochastic analysis knowledge 。 following the thought of merton, chapter five depicts the asset price motion with ito

    Q （ t ） ） dt + （ t ） dwtq ] ，且無風險利率、股息率以及波動率為時間的非隨機函數，並藉助鞅和隨機分析知識給出了兩點重設型期權的定價公式。第五章按照merton的思想，用以下ito
  8. The research paper is based on the the latest softwares of the managing inventory, its research subject is about simulating the most appropriate inventory quantity and ordering quantity by statisticing the probability of the random require quantity. its purpose is to provide the relied basement for determining the most appropriate inventory quantity and ordering quantity, the deterring policy quality will be raised, so the damage caused by unfit inventory quantity and the benefit of the entrerpreneur will be raised. the research method is by building the inventory management information system, the system includes automated management of parts entering and going out the datasbase. requesting the records of parts entering and going out the datasbase and displaying the sygonal when the inventory quantity is short out. computer calculating the fix period remaining, requesting remaining at any time and displaying if goods need ordering, all the partsof certain a product going out of basement and at the same time checking if the storaging quantity is enough. then simulating the most appropriate inventory quantity and ordering quantity simulating method is as follows : statisticing the random required quantity. calculating the probability, standing for the values with data range producing random data by function accordingly calculating the random required quantity. thenext step is simulating all the projects after pressing in the simulating conditions. finally selecting the best

    本文通過分析國內外關于庫存管理軟體的發展情況，提出在線統計貨物出庫情況的基礎上利用模擬方法確定最優存儲方案，其目的是為制定合理的貨物安全庫存量和訂貨量提供可靠的依據，提高企業管理人員的決策質量，從而減小資金的佔用和缺貨損失，提高企業的經濟效益。通過研製庫存管理信息系統使庫存信息管理自動化，也就是實現貨物入出庫管理計算機管理、自動查詢貨物入出庫情況並在缺貨時給予提示、使用計算機貨物余額定期結算、貨物余額實時查詢並顯示是否需要訂貨、裝配出庫管理使得只要輸入需要裝配產品代號和數量，組成它的所有零件就會自動檢庫和出庫。然後對安全庫存量和訂貨量進行模擬，模擬方法是首先自動統計貨物在過去某一段時間內的需求量，計算出概率，用隨機數的范圍表示其概率數值的大小，利用隨機函數產生隨機數、從而間接的產生隨機需求量，給定模擬天數和其他模擬條件模擬各種方案，從眾多的存儲方案中找出最優存儲方案。
  9. Two factors are considered including distribution functions and detected flow data, and a vehicle generator of micro - scale is proposed based on detection period

    用於描述一定時間內交通流分佈規律的離散隨機函數包括泊松分佈、二項分佈、負二項分佈等。
  10. The main idea of this method include two steps : at first, the approximate expression of function is obtained by method of weighted residuals ; then the first and second moment of the random function can be calculated with method of moment

    該方法的基本思想是利用加權殘值法獲得問題解的近似函數表達式，在此基礎上利用求解隨機變量函數的矩法求得隨機函數的一、二階矩等統計數字特徵。
  11. The rough degree of the target surface is the important factor that influences the scattering characteristic of the target laser. the study of the rough surface scattering is very important to the identifies and characteristic distill of the space target. usually on the study of in the past rough surface scattering, the period function or random function are the mathematics model of the rough surfaces

    粗糙表面散射的研究對空間目標識別和特性提取具有非常重要的意義，在過去的粗糙表面散射研究中，通常採用特定的已知周期函數或隨機函數作為粗糙表面的數學模型，但在自然界中粗糙面既非純周期也非完全隨機的。
  12. Failure state random function method for digital simulation of turbine disc crack initiation and propagation

    渦輪盤裂紋萌生擴展數字模擬的故障狀態隨機函數法
  13. The rand function returns a pseudorandom integer in the range 0 to rand _ max

    該函數返回從零到rand _ max之間的偽隨機整數。
  14. Under the assumptions that every two assets could be traded directly, and the proportions of the transaction costs are functions of the traded assets and time, the a continuous market model was construted, which led to the result that there was no arbitrage under the admissible strategy by using the methods of auxiliary martingale and the discount asset function

    摘要假定任意兩資產均可直接交易，且交易費率為資產和時間的非隨機函數，建立了有交易費的連續時間市場模型；利用輔助鞍和資產折算函數等方法得到了一個重要結果，即在給定的可允許策略集下，該市場無套利。
  15. You can use pbkdf2, a password - based key derivation function, to derive keys using a pseudo - random function that allows keys of virtually unlimited length to be generated

    您可以使用pbkdf2 （一種基於密碼的密鑰派生函數） ，利用偽隨機函數來派生密鑰，這種偽隨機函數允許生成長度幾乎不受限制的密鑰。
  16. In this dissertation, we present an algorithm of view - dependent continuous level of detail terrain simplification and 3d clouds rendering based - on fractal. the terrain mesh generated by using previous random mid - point displacement is usually uniform

    首次將層次細節lod技術引入到分形地形繪制中，並將該方法成功應用於三維的雲彩繪制，利用隨機函數特性模擬雲彩的動畫。
  17. 18 iwata t, kurosawa k. on the pseudorandomness of the aes finalists - rc6 and serpent. in fast software encryption - fse 2000, lncs 1978, springer - verlag, new york, usa, april 2000, pp. 231 - 243. 19 iwata t, yoshino t, yuasa t, kurosawa k. round security and super - pseudorandomness of misty type structure

    本文首先證明了5輪camellia型結構對適應性攻擊是偽隨機的然後證明了8輪camellia型結構對適應性攻擊是超偽隨機的最後討論了如何構造更有效的camellia型方案，指出如果每一輪僅用一個隨機函數，則無論輪數如何增長，也不能使camellia型方案是偽隨機的並給出了一個如何用8個隨機函數構造偽隨機camellia型方案的方法。
  18. In regard to nonlinear stochastic optimization in which the restraint function was nonlinearly expressed with stochastic parameters, the advanced first - order second - moment method was employed to study the structural optimization numerical model based on component reliability or failure pattern reliability and the method to transform the problem of stochastic optimization to that of certain determinate optimization

    摘要針對約束函數被隨機參數非線性表達的隨機非線性優化問題，採用改進均值一次二階矩法，研究基於元件可靠度或各失效模式可靠度的結構優化的數學模型，以及將隨機優化問題化為確定性優化問題的方法。
  19. Application of random function in the os experiment

    隨機函數在操作系統實驗中的應用
  20. Function to generate a random integer value in the range from 1 to 6

    函數生成一個1到6之間的隨機整數值。
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