random function造句
例句與造句
- Application of random function in the os experiment
隨機(jī)函數(shù)在操作系統(tǒng)實(shí)驗(yàn)中的應(yīng)用 - 2 schnorr c p . on the construction of random number generators and random function generators
如果分組密碼對(duì)選擇明文是安全的，則稱它是偽隨機(jī)的。 - Luby and rackoff idealized des by replacing each round function with one large random function
相對(duì)于公鑰密碼體制，分組密碼在許多方面還很不成熟。 - Failure state random function method for digital simulation of turbine disc crack initiation and propagation
渦輪盤裂紋萌生擴(kuò)展數(shù)字仿真的故障狀態(tài)隨機(jī)函數(shù)法 - In this paper , the author idealizes camellia by replacing each s - box with one small random function , which is named camellia - like scheme
它們被認(rèn)為是安全的，是因?yàn)槟壳皼]有對(duì)它們的有效攻擊。 - It's difficult to find random function in a sentence. 用random function造句挺難的
- 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 （一種基于密碼的密鑰派生函數(shù)） ，利用偽隨機(jī)函數(shù)來派生密鑰，這種偽隨機(jī)函數(shù)允許生成長(zhǎng)度幾乎不受限制的密鑰。 - 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(quán)殘值法獲得問題解的近似函數(shù)表達(dá)式，在此基礎(chǔ)上利用求解隨機(jī)變量函數(shù)的矩法求得隨機(jī)函數(shù)的一、二階矩等統(tǒng)計(jì)數(shù)字特征。 - 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
所有算法均用c實(shí)現(xiàn)。為驗(yàn)證算法的有效性，我們根據(jù)理論分布，使用偽隨機(jī)函數(shù)生成了若干數(shù)據(jù)集，進(jìn)行了關(guān)聯(lián)規(guī)則挖掘?qū)嶒?yàn)，并對(duì)實(shí)驗(yàn)結(jié)果進(jìn)行了分析。 - 15 naor m , reingold o . on the construction of pseudorandom permutations luby - rackoff revisited . journal of cryptology , 1999 , 12 : 29 - 66 . 16 naor m , reingold o . from unpredictability to indistinguishability : a simple construction of pseudo - random functions from macs
Luby和rackoff是假定每個(gè)輪函數(shù)是隨機(jī)的，不考慮輪函數(shù)的設(shè)計(jì)而本文僅假定camellia算法的非線性模塊是隨機(jī)的，降低假設(shè)條件，這樣假定更接近算法本身的特性。 - 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(duì)空間目標(biāo)識(shí)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,通常采用特定的已知周期函數(shù)或隨機(jī)函數(shù)作為粗糙表面的數(shù)學(xué)模型,但在自然界中粗糙面既非純周期也非完全隨機(jī)的。 - 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(fēng)險(xiǎn)利率、股息率以及波動(dòng)率為時(shí)間的非隨機(jī)函數(shù),并借助鞅和隨機(jī)分析知識(shí)給出了兩點(diǎn)重設(shè)型期權(quán)的定價(jià)公式。第五章按照merton的思想,用以下ito - It is then proved that five - round camellia - like scheme is pseudorandom and eight - round camellia - like scheme is super - pseudorandom for adaptive adversaries . further the paper considers more efficient construction of camellia - like scheme , and discusses how to construct pseudorandom camellia - like scheme from less random functions
而作為在各種安全系統(tǒng)中起著重要作用的密碼算法，這種狀況顯然是大家不愿意看到的因此，從可證明安全的角度探討分組密碼的安全性有著很重要的理論意義。 - For example nonlinearity , algebraic degree , correlation immunity , etc . basing on the method of hill climbing and the properties of boolean function , an algorithm , which is better than hc algorithm , named ihc is gave out to improve the design of nonlinearity of boolean functions . by analyzing the output and input sequences of a nonlinear combined generator , we also give out an algorithm ( lhc ) to evolve the correlation from a random function to a very lower one
本文研究了hillclimbing算法以及布爾函數(shù)非線性度的性質(zhì),對(duì)hillclimbing算法進(jìn)行改進(jìn),提高了該方法下對(duì)布爾函數(shù)非線性度的優(yōu)化設(shè)計(jì);通過研究非線性組合生成器中驅(qū)動(dòng)序列和輸出序列之間的關(guān)系,基于hillclimbing方法,本文進(jìn)一步提出了改善非線性組合序列相關(guān)性指標(biāo)( f )的組合函數(shù)f ( x )的優(yōu)化設(shè)計(jì)算法lhc 。 - Chapter three researched on base function and form of fault diagnosis system and research on the methods of realization and technology of fault diagnosis system based on hmm . chapter four the methods of faults diagnosis , fft - hmm and wavelet - hmm , are studied based on the theory of hmm . then researched the discrete hidden markov models ( dhmm ) and continue hidden markov models ( chmm ) as different random functions
第三章：研究了基于hmm的故障診斷系統(tǒng)的基本功能與組成；著重研究了基于hmm的故障診斷系統(tǒng)各功能模塊的實(shí)現(xiàn)方法與技術(shù)；研究了fft 、小波等特征提取方法并實(shí)現(xiàn)了特征庫的基本構(gòu)架；在系統(tǒng)實(shí)現(xiàn)中，研究了matlab與c + + builder的混合編程技術(shù)，并成功的實(shí)現(xiàn)了混合編程。