用特函達 的英文怎麼說
中文拼音 [yòngtèhándá]
用特函達
英文
hence this letter- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 函 : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
- 達 : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
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Then, depended on the expressing / feature / optimizing module under ug software, the compensating area parameters on the out place of side - plate for balancing action could be realized, and at the same time the close connecting parameter optimizing with 3d modeling could be carried out as well, finally the results from optimizing program were coincident with the parameters of the imported pumps
進而利用ug軟體的函數表達式和特徵建模及優化模塊,實現齒輪泵補償面基本參數的優化設計和軸套(側板)三維參數模型自動生成的無縫連接,所得結果與引進泵的基本參數比較吻合。Present a modified particle filter ( pf ) algorithm based on the los / nlos binary state information of propagation environment using the numerical method of the probability density function ( pdf ) about the hybrid noise. the key idea is using numerical method to calculate the hybrid noise pdf, and integrating binary environment information to get filtering result
2 .給出了應用粒子濾波器改進直達波與非直達波混合環境中移動終端跟蹤性能的新演算法,特色是利用數值方法計算混合噪聲密度函數,結合二元環境信息完成濾波估計。Compared with the classical bp algorithm, robust adaptive bp algorithm possesses some advantages as following : ( 1 ) increasing the accuracy of the network training by means of using both the relative and absolute residual to adjust the weight values ; ( 2 ) improve the robustness and the network convergence rate through combining with the robust statistic technique by way of judging the values of the samples " relative residual to establish the energy function so that can suppress the effect on network training because of the samples with high noise disturbances ; ( 3 ) prevent entrapping into the local minima area and obtain the global optimal result owing to setting the learning rate to be the function of the errors and the error gradients when network is trained. the learning rate of the weights update change with the error values of the network adaptively so that can easily get rid of the disadvantage of the classical bp algorithm that is liable to entrap into the local minima areas
與基本bp演算法相比,本文提出的魯棒自適應bp演算法具有以下優點: ( 1 )與魯棒統計技術相結合,通過訓練樣本相對偏差的大小,確定不同訓練樣本對能量函數的貢獻,來抑制含高噪聲干擾樣本對網路訓練的不良影響,從而增強訓練的魯棒性,提高網路訓練的收斂速度; ( 2 )採用相對偏差和絕對偏差兩種偏差形式對權值進行調整,提高了網路的訓練精度; ( 3 )在採用梯度下降演算法對權值進行調整的基礎上,通過將學習速率設為訓練誤差及誤差梯度的特殊函數,使學習速率依賴于網路訓練時誤差瞬時的變化而自適應的改變,從而可以克服基本bp演算法容易陷入局部極小區域的弊端,使訓練過程能夠很快的「跳出」局部極小區域而達到全局最優。Considering synthetically the elevator running characteristics, a new evaluating function for the elevator group control system ( egcs ) is suggested. a kind of fuzzy neural network is used in the elevator group algorithm. the fitness of each elevator servicing the hall call signal is deduced, so the elevator is dispatched reasonably
綜合考慮電梯運行特性,提出一種新的電梯群控系統( egcs )評價函數,並用模糊神經網路的電梯群控演算法推出各電梯響應層站召喚信號的適合度,從而達到電梯的合理調度。Abstract : from a universal formula for calculating the attenuation cross section of particles in arbitrary shapes, exact expressions for calcualting the attenuation cross section of polydisperse, small spheroids, whose rotary axes are in specific status, have been derived. attenuation cross sections of both liquid and ice particles in different shapes at different wavelengths in microwave band have been computed and analyzed. the results are informative to microwave remote sensing of precipitation
文摘:從計算任意形狀粒子的衰減截面普遍公式出發,推導出了小旋轉橢球粒子群旋轉軸處于不同狀態時的衰減截面函數表達式,並計算分析各種狀態下衰減截面隨降水粒子相態、形狀和入射波波長的變化特徵,所得結果可用於降水微波遙感。Execution of an object creation expression that includes an object or collection initializer consists of first invoking the instance constructor and then performing the member or element initializations specified by the object or collection initializer
對象建立表達式的執行包括某個對象或集合構造者,並由第一個調用實例構造函數組成,並且,接著執行成員或元素初始化,這是由對象或集合構造者特定化的。Jdl is an interpretative language system. it has data types, expression, control flow statements and user - defined function just like the imperative programming language, but also has data types and statements such as job control statements, task control statements, wait statement, parallel statement and monitor statements particular to jms
Jdl是一種解釋型語言系統,既有一般命令式語言所具有的數據類型、表達式、控制流語句和用戶自定義函數等要素,也另有作業管理系統所特有的數據類型、作業控制語句、任務控制語句、等待語句、并行語句和監聽語句等。On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula
應用透光率脈動檢測技術和光散射顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?平均透光強度(對應于dc值)作為原水的特性表徵參數, dc值可以同時反映顆粒濃度和比表面積因素的影響,試驗結果證明, dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系: dc = cs _ p ~ d ,式中c 、 d為經驗系數,進而得到了以dc值為參數的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數,平均相關系數達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust
利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製的太陽?大氣紫外光譜輻射計( sauvs ) ,測量到達北京地表的太陽直接和散射紫外光譜輻射,導出了大氣氣溶膠的光學厚度。初步結果表明:北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減小,用指數函數可以較好地擬合反演結果,統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式;初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點,並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析;分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的定性關系和定量表達式;最後與全球氣溶膠監測網路( aeronet )北京站的資料做比對,表明反演結果基本合理。For example, the geometric effect and vignetting are simulated with the synthetic method in which they are modeled with ray tracing and then simulated with pixel - based processing. the effects of detector noise on imaging are simulated with the three - dimension model. the theory of pixel transfer function is extended and developed, and microscanned images of four patterns are simulated with good results
本文具有如下幾個突出特點:用光線追跡法分析建模,而用基於象素處理的綜合方法,模擬了光學系統中的幾何效應和漸暈現象;利用三維噪聲模型,模擬了探測器噪聲對圖像質量的影響;對象素傳遞函數理論進行了擴展和延伸,給出四種工作模式的微掃描成像系統的象素傳遞函數的具體數學表達式,並利用這些表達式模擬了探測器的空間效應和微掃描成像的圖像效果。Since the antiplane scattering problems of local sites could be divided into two kinds : interior and exterior problems, main points to solve the problems are graf ' s addition theorem. so two expressions and suitable range of the graf ' s addition theorem are studied hi the paper. moreover, an auxiliary function method for mixed boundary - value problems are also discussed in this paper
由於典型局部場地彈性波出平面散射問題可以分為內域型和外域型兩大類,求解這些問題的要點是要完成特殊函數在不同坐標系間的變換,因此本文對graf加法公式的兩種表達及其適用范圍做了研究,另外對解決混合邊值問題的輔助函數法做了研究。An investigation of the rijndael algorithm which is the advanced encryption standard of usa is taken in this thesis. we have focused on developing the cryptographic properties of the rijndael sbox from the viewpoint of boolean function, walsh spectrum and algebraic structures, on the attacks against the reduced variants of rijndael, and on the optimized implementations of rijndael. the key contributions follow below
本文對美國高級加密標準rijndael演算法進行了比較深入的研究,內容包括:從布爾函數、 walsh譜和代數結構的角度對其s盒密碼性質進行的研究,簡化演算法的攻擊方法以及演算法的優化實現問題,主要成果有: 1 、提出求解布爾函數表達式的兩種新方法,具有簡潔、易於編程實現、準確而快速的特點,應用於des演算法獲得與公開文獻相符的結果,應用於rijndael演算法首次求出其s盒布爾函數表達式。We can take molecular motor as a brownian particle in the case of ignoring the conformational changes. the interaction between motor and microtubule can be described by a special potential function and the effect of the environment can be simplified as a noise
在不考慮分子馬達構象變化的情況下,通常把分子馬達抽象為布朗粒子,用一個特定的勢函數來表示軌道與馬達的相互作用,環境的影響可以簡化為特定形式的噪聲激勵。Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases
本文在sheppard和gumin等人的理論基礎上,利用fourier光學成像理論,討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像特性的影響,導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維脈沖響應函數和三維光學傳遞函數,得到了它們在不同激發波長與熒光波長比值時具體的表達式,並且通過數值計算,得到了它們的曲線圖,結果表明:隨著激發波長與熒光波長比值的增加,焦斑的橫向分佈和縱向分佈變窄,橫向解析度和縱向解析度提高,系統的成像效果變好,當激發波長與熒光波長的比值下降到一定程度時,可以看到不同程度的失錐現象。Space - time wave has a far greater and wider significance than particle wave vibration. no matter what mechanical vibration, electromagnetic surge or vocal wave, they are all manifestation of space - time vibration or a certain wave in special scope, all of which are general phenomena in nature of both macrocosm and microcosm, and can be expressed by stwf
時空波動比粒子振動或波動有更廣泛深刻的含義,凡有空間有物質存在的地方都存在著時空波動,無論是機械振動電磁振蕩聲音振動等均是時空波動的某種表現形式,或是在某個特定時空范圍的波動,這種自然界的普遍現象在宏觀或微觀世界都可用時空波函數表達出來。Essential to their utility is the requirement that the evolution of the basic functions through the propagation environment constitutes a simplified problem with an exact or approximate closed form solution to the original wave equation. the evolution of a spatial fourier harmonic through a homogeneous medium is governed by a reduced wave equation, obtained by applying the fourier transform to the helmholtz equation, with a simple and well - known solution - the plane wave
這些方法均採用一組具有全局特性的基本函數對波場進行分解,如占據整個空間的富氏調諧函數或充滿各個方向的dirac函數(點源) ,並通過求解基本函數滿足波動方程的精確解或近似解來達到波場外推的目的。Based on the analysis about the test requirements and the saturated magnetization of the armor plate, the excitation magnetic circuit satisfying the testing condition and a validation system are designed. because the geometric, of the magnetic leakage at the direction of the normal of the roundness fault has the feature of two peaks : a positive and a negative, using the linear regression and the software matlab, two regression equation are proposed : one is about the peak value of the magnetic leakage and the diameter and depth of the roundness fault ; the other is the distance between the two peaks and the diameter of the roundness fault. the result of the validation system proves that the two equations are valid, and an applied method using for quantificationally inspecting the roundness faults is proposed according to the two equations
根據實驗要求,通過對鋼板達到飽和磁化的必要性進行的分析,設計了符合試驗條件的勵磁磁路,並設計了一套實驗驗證系統;根據圓形缺陷法線分量漏磁場幾何圖形正負雙峰值的特點,採用線性回歸擬合的原理和matlab軟體及其統計工具箱中的相關函數,給出了圓形缺陷漏磁場幾何圖形的峰峰值與圓形缺陷的直徑和深度以及峰峰值間距與圓形缺陷直徑的兩個回歸擬合方程,並通過實驗驗證系統驗證了擬合方程的正確性,利用這兩個簡單實用的擬合方程,提出了一種工程定量檢測圓形缺陷的應用方案。In the design and analysis of sequence cipher, we obtain the following results. first, we give the trace representation of primitive sequences and their corresponding highest lever sequences on galois ring by using the trace function theory and the characteristic of lever factorization, and determine the correlation function linear complexity and element distribution of the highest lever sequences of primitive sequences on galois ring gr ( 4, m )
在序列密碼的設計和分析方面:首先,利用galois環上跡函數理論和本原序列的權位分解特徵,給出了本原序列及其最高權位序列的跡表達式,然後利用galois域上二次型理論與指數和理論決定了特徵為4的galois環上本原序列的最高權位的相關函數、線性復雜度和元素分佈。The model - based sar target classifier that uses feature accomplishes classification by computing the likelihood function between extracted and predicted features
利用特徵基於模型的sar目標分類方法,通過計算提取特徵矢量和預測特徵矢量之間的似然函數達到目標分類的目的。Study indicates that adapted ms potential surface is a kind of potential with concision form, coherent expression that can describe exactly the characteristic of system interaction. non - elastic scattering sections are sensitive to orientation of potential and strength of repulsive potential
最後的結論是:改進后的ms勢能模型是一種形式比較簡便、表達函數高度統一、能準確地描述系統的相互作用特徵的勢能形式。分享友人