相隨變數 的英文怎麼說
中文拼音 [xiāngsuíbiànshǔ]
相隨變數
英文
concomitant variate-
Then the author focus on schemes including identification, digital signature and deniable authentication, and several classical algorithms are addressed as well. in addition, we analyze the differences between standard security paradigm and random oracle paradigm. based on all above, by using elliptic curve, we establish a new identification scheme and its corresponding digital signature scheme under random paradigm
文章詳細的分析了認證系統的三種類型，即身份認證、數字簽名和消息認證，剖析了一些經典的方案，並對標準安全模式與隨機oracle模式做出比較，並基於隨機oracle模式提出了一個新的身份認證演算法及其相應的數字簽名變形，兩個演算法均在橢圓曲線上實現。Applying perturbation technique, the image force on dislocation is obtained when dislocation located arbitrary point either outside or inside inhomogeneity, however, a number of previous related investigations on above problems only calculated the interactive dislocation force as the dislocation lies on the x - axis. the variation of screw dislocation forces for correlative material parameters and different radians of crack or rigid line is discussed particularly
針對以往大多數相關文獻~ （ [ 7 ] - [ 16 ] ）只求出了位錯在x軸上時位錯力表達式，本文應用擾動技術，導出了位錯在基體或夾雜中任意點的位錯力公式；並討論了位錯力隨材料相關參數，裂紋或剛性線弧度的變化規律。By means of the orbit dynamics theory and other knowledge, author established mathematical model related to collision forecast, including space object orbit confirming model, space objects relative movement model, dangerous object distinguishing model and space object collision geometry relation model, etc. according to the mathematic model, author calculated the relative distance transformation rule along with time between the spacecraft and dangerous debris and established early warning rule
依據航天動力學理論和其他知識，建立了碰撞預警相關的數學模型，包括空間目標軌道確定數學模型、空間物體相對運動數學模型、危險物體判定準則數學模型和空間物體碰撞幾何關系數學模型等，根據數學模型計算航天器和危險目標的相對距離隨時間變化規律，設定了預警規則。In order to make the theoretical calculation feasible, we first obtain an analytical formalism of partial integrals with respect to the coordinates of the core and target in the phase - shift functions and their cross terms of scattering matrix elements, if the density distributions of the core and target are fitted to a few gaussian forms. then the rest multidimensional integrals with respect to the impact parameter and coordinates of halo nucleons are performed by a monte carlo method
為使理論計算變得可行，我們在核芯和靶核密度採用多個高斯分佈擬合的情況下，解析求解了各個散射矩陣元中的光學相移函數及交叉項含有的與暈核核芯、靶核密度分佈有關的積分;同時對與碰撞參數和暈核子坐標有關的積分（八重以上，並且積分維數隨暈核子數很快增加）採用蒙特卡洛方法計算。( 5 ) varying trend of leaf water potential differs in different seasons. leaf water potential changes significantly with temperature. the speed of leaf water potential rising with temperature in heavy saline is faster than that of in light saline
（ 5 ）油葵葉水勢各生育階段變化趨勢不同，隨溫度變化顯著，多數階段葉水勢都隨溫度升降呈現相同變化，含鹽高的小區葉水勢升降速度高於低含鹽區葉水勢低於低含鹽區，可以反映土壤水分脅迫和鹽分脅迫。3. at the vertical direction of the section, the grain - size distributional coarse and fine rhythms vary very pronouncedly with the alternation of sedimentary facies, which is clearly shown not only in the grain - size percentage in this section but also in the response from different grain - size parameters
在剖面的垂直方向，粒度的粗細韻律分佈隨沉積相的變化非常明顯。這不僅在剖面上粒度的百分含量可以清楚地反映出來，且各個粒度參數也同樣具有顯著響應。The general formulas for interaction energy and the force acting on the dislocation due to the presence of an elliptical inhomogeneity under longitudinal shear are given. the force acting on the dislocation is figured out, particular discussion being given to its variation with the dislocation azimuth and other parameters. it is shown that the force acting on the dislocation first reduces and then increases with the augment of dislocation azimuth
首次導出了縱向剪切下夾雜內外螺旋位錯引起的耦合干涉能與耦合位錯力的一般解析表達式，並討論了位錯力隨位錯方位角及相關參數的變化規律，發現縱向剪切下位錯力幅值隨位錯方位角的增大先減小后增大。Based on the theoretical expression of the average intensity in the fourier transforming and imaging optical system with variable aperture, an algorithm is developed to change the intensity data versus the aperture radius into the bessel - fourier - transform - and - the - inversion of a function of the height - height correlation function. three samples of gaussian correlation are used for the experimental demonstration
在理論分析和實驗測量中，我們採用了變孔徑的傅立葉變換和成像系統，由所得到的像面光強的解析式，建立了將平均光強隨孔徑的數值變化關系轉化為正逆傅立葉變換對，從而恢復出表面的高度?高度相關函數。This paper firstly applied sequential cluster method to set up the classification standard of precipitation state based on the fact that there are much uncertainty and imprecise characteristics in the precipitation course ; then this paper presented a method which is called markov chain with weights to predicted the future precipitation state by regarding the standardized self - coefficients as weights based on the special characteristics of precipitation being a dependent stochastic variable ; and applied this method to a real hydrological observation station with nearly 50 years precipitation information in shanxi province at last, an ideal result was obtained
摘要首先基於降水過程存在大量不確定性、不精確性的特點，應用有序聚類的方法建立降水豐枯狀況的分級標準；然後針對降水量為相依隨機變量的特點，採取以規范化的各階自相關系數為權重，用加權的馬爾可夫鏈模型來預測未來降水的豐枯變化狀況；最後以山西省某水文站近50年的降水資料為實例對該方法進行了具體的應用，獲得了較為滿意的結果。The amount of nb3si / nb5si3 increases, their morphology tends to be more regular, their distribution becomes more homogeneously with the increasing of withdrawing rate. the microstructure is better oriented along the longitudinal axis of the samples when the withdrawing rate is between 0. 6 and 6. 0mm / min. at the same withdrawing rate, the microstructure changes from the beginning part to the ending part of the samples
鈮?硅基rmics材料原始鑄態組織由初生nb基固溶體和在其間分佈的nb基固溶體+硅化鈮共晶團組成；隨著抽拉速率的增大，定向凝固共晶組織中硅化鈮強化相細化、數量增多、分佈趨于規則和均勻，定向效果顯著；在相同抽拉速率條件下，區熔試樣的組織從起始段到終止段發生了改變。Corresponding to the same probabilities, the ranges of uniform r. v. are calculated
再以相同之機率算出標準差亦為一之均勻分佈隨機變數對應之變數范圍。The vertical mixing law of the linear source in the natural river has been studied in the second step. at first the concentration equation of the linear source at different depth has derived. by the theoretical analysis, the relationship between the distance of the vertical homogeneous mixing and the part depth of homogeneous mixing, and the equation calculated distance of whole depth homogeneous mixing for the linear source have been presented
通過理論推導，得出任意位置上瞬時線源濃度場的解析解表達式；推導得到表面不同深度線源排放時垂向部分均勻混合水深隨縱向距離變化規律的函數關系，並建立了相應變化規律的諾莫圖；導出了表面不同深度線源在全水深均勻混合時的縱向距離的計算公式，應用長江口南通河段實測資料驗證，得到一致結果。Because of intrinsic randomicity of discrete event system, every operation of simulation is one course of sampling. in addition, the random variables are produced by using the false random number generators, self - dependence is relatively serious. so, the statistical analysis of the simulation result is necessary
由於離散系統本身固有的隨機性，每一次模擬的運行都是一次采樣過程，加之隨機變量是使用偽隨機數產生的，自相關性較強，因此，還對模擬結果進行了統計分析。The thesis takes finance risk as research object which studies up on the theory system, statistic measurement models and policy of china macroscopic finance risk. the author applies lots of data in analyzing and evaluating china macroscopic finance risk from the establishment of market economic system, and tries to explore the discipline and characteristic, then bring forward theoretical source and policy suggestion for the strategic management of national macroscopic finance risk. the main contents is as follows : the first chapter defines risk, finance risk and macroscopic finance risk, then concludes the basic characteristic of macroscopic finance risk, involving the complexity and multiplicity of forming reasons generated latency, accompanying of finance development and severity of educing crisis. finally, it discusses forming mechanism of macroscopic finance risk from three aspects, such as general source, informational source and international background represents following action and gearing utility in the process from risk to crises
本文以宏觀金融風險為研究對象，研究我國宏觀金融風險的理論體系、統計度量模型和政策，運用大量的統計數據對市場經濟體制建立以來我國宏觀金融風險狀況進行了分析和評價，試圖探索我國宏觀金融風險的變化規律和形成原因的特殊性，為國家宏觀金融風險的戰略管理提出理論依據和政策建議。其主要研究內容如下：首先，從風險、金融風險和宏觀金融風險等定義出發，總結了宏觀金融風險形成原因的復雜性和多重性、生成的潛伏性、與金融發展的相隨性和引發危機的嚴重性等基本特徵，從金融風險產生的一般根源、信息根源和國際背景三方面論述了宏觀金融風險形成的機理，最後闡釋了從金融風險到金融危機的傳導機制。This paper looks soil as homogeneous stationary random fields, expatiates the application of the random process in the geotechnical engineering and establishes the basic concept, its assortment and digital feature of random process and random fields, tests whether this random fields is a stationary process and whether it is ergodic, applies correlation function theory and variable function theory in the study of the random fields of soil parameter, acquires the relation of the two theories and draws the conclusion that they are equal essentially, fits the measured curve by using the correlation function method, variable function method and other methods, and acquires the value of correlation distance, applies the random fields theory of soil parameter in actual engineering, estimates the value of elevation and other soil parameters of 92 holes in baoding city and the results are satisfying
將相關函數理論和變異函數理論分別應用於巖土參數隨機場的研究中，通過運用這兩種理論對巖土參數特性的描述，得出這兩種理論的內在聯系及其本質一致性的結論。分別運用相關函數法、變異函數法及其它求解相關距離的方法對實測函數曲線的擬合，得出描述空間相關程度的度量? ?相關距離（或變程） ，對用這幾種不同方法得出的相關距離（或變程）值進行了比較，並對這幾種方法的優劣和實用性做了評比。將巖土參數隨機場理論運用於工程實際，對保定市區某場地的92個鉆孔的各層位的層底標高及其它幾種常見的巖土參數做出了估計，預測結果比較令人滿意。On the basis of the sketch of use and significance of blank - holder force in production, the effects on the formability of box deep drawing process were investigated with the dynaform, which was applied to the variable blank - holder force ( vbhf ) changing with the deep drawing time and the position of the vbhf
在概述壓邊力在生產過程中的用途和意義的基礎上，討論了變壓邊力對薄板拉深成形過程的影響，利用dynaform模擬軟體研究了隨拉深時間和壓邊圈位置變化的壓邊力對拉深成形質量的影響，得到了相應的數值模擬結果，為實際生產過程中合理調節壓邊力的大小提供了理論依據。So lead to their polarization behavior not as good as edge lasers. the paper researched the polarization of vcsel theoretically and experimentally, the main work is as follows : part. without consideration the applied strain and temperature, we resolved numerically the maxwell - bloch equation through four - energy level polarized dynamic model
通過四能級偏振動力學模型，在不考慮外加應變以及溫度的前提下，對maxwell - bloch方程進行數值求解，研究了隨著注入電流以及各向異性的變化引起的vcsel的出射偏振光的強度、頻率和相位變化。The flows in the case of different reduced frequencies are computed respectively for two blade profiles. by comparing the time curves of relative parameters in oscillating cascades and the flow field contours under different conditions, it is indicated that the reduced frequency is an important factor to determine whether the blade flutter happens or not
針對兩種葉型分別計算了不同摺合頻率下的流場，通過比較振動葉柵相關參數隨時間變化的曲線及流場雲圖，表明摺合頻率是決定葉片顫振與否的重要因素。( 2 ) with the condition of table 4. 2, the average reflectance decreases and the low reflectance vale moves towards shortwave, the influence on the extinction coefficient ( k ) of the films is very little, refractive index has trend of decrease and the thickness of the films decrease when increasing the total gas pressure, and the refractive index fix on a constant value when the total pressure exceeds a certain value. the phase of tio2 change from rutile to anatase and the size of surface grain change from big to small
（ 2 ）隨著總氣壓的增加薄膜的反射低谷向短波方向移動;總氣壓對消光系數k影響不大;隨著總氣壓的增加薄膜的折射率出現了下降的趨勢，但當總氣壓達到一定的量值時折射率的變化趨于穩定;薄膜的厚度隨總氣壓的增加而減少;隨著總氣壓的增加tio2的晶體結構由金紅石相向銳鈦礦相轉變，薄膜的表面的顆粒度大小由粗大變得微小細密。As a unitary system, container transportation in china is in a developing stage now, compared with developed western country. furthermore, a lot of concerned factors are affecting container transportation, so that all chinese port appeared variety performance, under diversification of circumstance
就整體而言，目前國內集裝箱運輸相對西方國家發展程度，尚處于發展期，集裝箱運輸的很多相關因素在不斷變化，使得各港隨著內外條件的變化存在著很大變數。分享友人