有理積分函數 的英文怎麼說

中文拼音 [yǒufēnhánshǔ]
有理積分函數 英文
rational integral function
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
  • : 數副詞(屢次) frequently; repeatedly
  • 有理 : 1 (有道理) reasonable; justified; in the right 2 [數學] rational; 有理函數 rational function; ...
  • 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
  • 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. For the first time, on the view of algorithm and experimental system, the author analyze all the factors influcing the diagnose accuracy. on the basis of these analyses, " window " and convolving function with the best accuracy are selected, at the same time, the formulas of errors are deduced

    析基礎上,選擇了具最佳測量精度的窗和卷,並對演算法進行了改進,提高了計算精度;對實驗系統各部對測量精度的影響也進行了定量析。
  2. First, in virtual of identification of flaws is a typical of in - verse problems, proceeding from time - harmonic electromagnetic maxwell ' s equa - tion and helmholtz equation, the uniqueness and existence of direct scattering problems including the numerical algorithms of diverse of boundary conditions is given. second, the uniqueness and existence of inverse scattering problems and the theory of ill - posed integral equation are briefly looked back upon. finally, indicator function method for boundary identification is set up under all kinds of boundary conditions for inverse scattering of homogenous and inhomogenous objects, meanwhile, the proof of possibility for near - field measurements and nu - merical simulation are given

    由於缺陷的識別是一類典型的反問題,因而首先從時諧電磁maxwell方程和helmholz方程出發,具體地闡述了求解正散射問題的關方法,包括各種(夾雜)邊界條件下的值解法,就解的存在性唯一性給予了肯定的回答;隨后對逆散射問題的論作了簡短的回顧,包括解的唯一性以及非線性不適定方程的處等;然後對均勻介質和非均勻介質的逆散射問題建立了在各種邊界條件下的邊界識別的指示方法,鑒于近場據獲得的重要性,對近場測試時邊界識別的方法給予了相應的證明,並且實現了值模擬。
  3. In rsdm, binary patterns are replaced by real - valued patterns, accordingly avoiding the coding process ; the outer learning rule is replaced by regression rule, therefore the model has not only the ability of pattern recognition but the ability of function approximation. the prearrangement of the address array bases on the distribution of patterns. if the distribution of patterns is uniform. then the address array is prearranged randomly, otherwise predisposed with the theory of genetic algorithm and the pruneing measure so as to indicate the distribution of patterns and improve the network performance. non - linear function approximation, time - series prediction and handwritten numeral recognition show that the modified model is effective and feasible

    在rsdm中,以實值模式代替二值模式,避免了實值到二值的編碼過程:以回歸學習規則代替外法,使該模型在具識別能力的同時具了對的逼近能力;地址矩陣的預置根據樣本的佈採取不同方法,若樣本均勻佈,則隨機預置,否則利用遺傳演算法的原和消減措施來預置地址矩陣,使之反映樣本的佈,改善網路的性能。
  4. Pass the interlace series type linear differential equation that coefficient contains power function and arrangement number change into the linear differential equation of successive integral, have found out the theory and method that begs this kind of equation to know to untie. theorem have happened have given strict proof, and through example, have introduced it ' s application

    摘要通過把系與排列的交錯級型線性微方程化為可逐次的線性微方程,找出了求這類方程通解的方法與論,把所得定給出了嚴格的證明,並通過實例介紹了它的應用。
  5. 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析儀( pda ) ,通過析,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, dc值可以同時反映顆粒濃度和比表面因素的影響,試驗結果證明, dc值與單位體水中泥沙顆粒總表面s _ p之間具很好的冪關系: dc = cs _ p ~ d ,式中c 、 d為經驗系,進而得到了以dc值為參的高子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系,平均相關系達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。
  6. Equation ( 4 ) is said to belong to limit circle type if all solutions of equation ( 4 ) belong to l ~ ( 2 ) ( simply denoted by l. c. ) equation ( 4 ) is said to belong to lagrange stable if all solutions of equation ( 4 ) belong to ( simply denoted by l. s. ). in chapter 4, we study criteria for the linear nonhomogeneous differential equation belonging to the limit circle type

    方程( 』 )稱為極限圓型的,若方程( 』 )的所解都屬于護[ a , co ) (簡記為l . c . ) ;方程( 』 )稱為拉格拉日穩定,若方程( 』 )的所解均屬于lco [ a , co ) (簡記為l . s . ) .由於方程( 』 )解的平方可性及界性的研究在微運算元論、按微方程的特徵展開論以及無界區間上受控系統的最佳控制論等方面具重要應用
  7. 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

    為使論計算變得可行,我們在核芯和靶核密度採用多個高斯佈擬合的情況下,解析求解了各個散射矩陣元中的光學相移及交叉項含的與暈核核芯、靶核密度關的;同時對與碰撞參和暈核子坐標關的(八重以上,並且隨暈核子很快增加)採用蒙特卡洛方法計算。
  8. In the first chapter, we obtained weighted norm inequality on the commutators, by proving a variant of sharp function estimates ; j. orobitg and c. perez introduced ap weights for nondoubing measures and proved weighted norm inequality of c - z singular integrals. in the second chapter, we obtained weighted inequalities of fractional integral and its maximal function with ap ( u ) weights for nondoubing measure ; e. sawyer obtained a weak type double weights inequality for fractional integrals in [ 13 ]. in the third chapter, we generalized the sawyer ' s result for non - doubling measures

    本文第一章通過證明一個變形的sharp估計,從而得到奇異交換子的加權界性; j . orobitg和c . p rez在文[ 10 ]中引入了非倍測度的a _ p權論並證明了c - z奇異的加權界性,本文第二章得到了運算元和次極大在非倍測度下a _ p ( )權的加權估計; e . sawyer在文[ 13 ]中得到了的一個雙權弱型不等式,本文第三章把e . sawyer的結果推廣到非倍測度的情形。
  9. With the using of microsoft visual basic 6. 0, a multimedia computer - aided design system of small type pumping irrigation district is developed in this paper. provided with the live multimedia messages as well as a good man - machine conversation mechanism, this system can help the user to finish the planning of an pumping irrigated area such as the layout of canal system, the selection of pump models, the establishment of the irrigation program, the calculating of canals " parameters, the estimate of the project magnitude, the selection of the field constructions, the economic analysis of the project, the output of results, etc, a new oo ( object oriented ) programming method is adopted in this system, various softwares are integrated in this systems as well by the " automation " technic provided by vb, in addition, the multimedia technic is applied to this system for the first time, it makes the system easy to ope rate. as for the optimization of the canals " section, a new optimization method is adopted based on the existing theories about the canals " section, and in this way, with the purpose of minimizing the project ' s investment as well as a stalized canal, limited by the longituding slope, the canals " best feasible parameters can be deduced. furthermore, a integral method to reckon the earth work is developed in this paper, by this way, the estimate precision of the earthwork is enhanced notably. this paper includes the particular illumination for the developing procedure of each systems " segment, and in the end, the directions of the system are demonstrated in a sample area which lies in the zhaija village, taizhou city, jiangsu province, the running results showed that the initial purposes are achieved effectively, and it has a preferable practicability

    在渠道縱橫斷面優化方面,本文在利用已經比較成熟的縱橫斷面優化論的基礎上,提出以工程總費用最小為目標,以渠道縱坡i為控制變量,以渠道不沖不淤流速及灌區允許地面比降為約束條件,通過縱橫斷面聯動優化的方法得到渠道的最佳工程可行的斷面參。另外,針對部地區的取土困難的狀況,本文採用法計算渠道工程土方量,從而大大提高了土方量的估算精度,助於準確控制工程投資規模及資金投向。本文詳細闡述了該系統所採用的編程方法、系統構成、系統各組成模塊的開發過程以及灌區規劃所採用的優化方法及原,最後應用本系統對泰州市翟家村機電灌區進行規劃設計,運行結果證明其操作比較簡便,界面友好,運行速度快,規劃成果合,基本達到了系統預定的要求,具備較強的實用性。
  10. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗據和阿倫尼烏斯公式建立了生物質熱解反應動力學微方程,並採用goast - redfem法和p對其動力學參進行了求解,解析出各種生物質的頻率因子和活化能參,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學論對生物質傳熱過程及充熱解時間論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充熱解溫度的時間( t ) ,得出了論推導的充熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合匹配論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計論和功率計算方法及臨界轉速論等。
  11. In this article, introduce the important meanings of a - b effect, first is a have physics factors, second is wave function phase factor is connected with geometrical factor in ( b = 0, a 0 ), through a - b effect, we know : electromagnetic field vector e, b is local quantity, electromagnetic potential a, is global quantity, adding a, description and by the way of loop integral, electromagnetic field " effect is completely descripted

    本文介紹了重要歷史意義的a - b效應, a - b效應揭示了兩點物觀念的變革:一是電磁矢勢效應。二是在無場強但磁矢勢( b = 0 , a 0 )的區域,波的相位因子與其運動空間結構關。 a - b效應顯示; e 、 b是局域量, a 、是總體量,只加入a 、之後的描述,並通過a的環路,才能對電磁場的作用做出完全準確的描述。
  12. The transient mathematical equations are addressed for the coupled heat and moisture transfer by taking account of moisture accumulation procedure. an analytical method by means of the transfer function is proposed to predict the transient distributions of temperature and moisture content at different interfaces in walls. a numerical analysis approach based on an efficient finite - difference method is developed to deal with the procedure of coupled heat and moisture transfer in a multilayer wall with nonlinear boundary conditions considered

    建立了考慮濕累過程的瞬態熱濕耦合模型,在方程中引入了濕累項;發展了一種傳遞解析方法進行墻體內不同剖面處溫度和含濕量的動態預測;首次提出了一種基於限差法預測非線性邊界條件下多層多孔結構內的傳熱傳濕過程的析方法,求解過程中考慮了瞬態邊界條件,從而避免了通常處中由於邊界條件設定為常而給計算帶來的誤差,對于多層結構每一層物性參的非連續性,則採用了效的限差逼近處
  13. In 6. 635, topics covered include : special relativity, electrodynamics of moving media, waves in dispersive media, microstrip integrated circuits, quantum optics, remote sensing, radiative transfer theory, scattering by rough surfaces, effective permittivities, random media, green ' s functions for planarly layered media, integral equations in electromagnetics, method of moments, time domain method of moments, em waves in periodic structures : photonic crystals and negative refraction

    本課程所覆蓋的論題包括:狹義相對論、運動媒質的電動力學、色散媒質中的波、微帶集成電路、量子光學、遙感、輻射傳輸論、粗糙表面上的散射、效介電系、隨機媒質、平面層狀媒質的格林、電磁學中的方程、矩量法、時域矩量法、周期結構中的電磁波:光子晶體和負折射率。
  14. The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is

    比較全面地查閱了關于變結構控制論的文獻,總結了滑模變結構控制的發展歷史和特點,詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原以及設計方法;系統析了變結構控制系統抖振產生的機,並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法;針對傳統抑制和消除抖振方法的不足,改進了傳統方法,得到了三種新的消除抖振的方法? ?即改進的指趨近律法、可變邊界層法和附加連續項法;針對不確定性線性系統,在變結構控制策略中引入模糊邏輯和自適應論來消除滑動平面上的抖振,提出了一種自適應模糊變結構控制方案( afivsc ) ,利用模糊邏輯來柔化控制量中非線性不連續部,採用自適應論,根據系統不確定性大小在線調整模糊輸出量的隸屬,另外,鑒于模糊控制本質上是靜差的,所以本文選擇了帶項的切換,由於項的存在使系統較正為無靜差系統。
  15. Based on the unified recursive formula, the four algorithms included in this study are the central difference method, the newrnark ' s method, z - transform method, and duhamel ' s step integral method. the accuracy, the phase and other existent problem are studied in this paper. it is proved in this paper that the recursive parameters b1and b2are relate to the poles of theoretical transfer function

    析中可以發現,中心差方法, newmark中點加速度方法、 z變換方法及duhamel逐步法在精度范圍內其計算相位是沒畸變的,中國地震局工程力學研究所頃土學位論文一但是中心差方法, newmark中點加速度方法隨著采樣間隔及系統自振頻率的增大,系統的固自振周期被改變,其傳遞的共振區域與論傳遞的共振區域會發生離。
  16. The paper is concerned with periodic solutions to nonautonomous second order hamilton systems where, m : [ 0, t ] - s ( rn, rn ) is a continuous mapping in the space s ( rn, rn ) of symmetric real ( n x n ) - matrices, such that for some u > 0 and all ( t, z ) [ 0, t ] x rn, ( m ( t ) x, x ) > u | x | 2. a s ( rn, rn ), f : [ 0, t ] x rn r is continuous and f : [ 0, t ] xr r exists, is continuous and we study the existence of periodic solutions of the systems by using ekeland variational principle and the saddle points theorem. we suppose that the nonlinearity vf and potential f belongs to a class of unbounded functional. our work improves the existed results. we obtained the results of multiplicity of periodic solutions of the systems by using lusternik - schnirelman category theory and the generalized saddle points theorem, and the functional does not need the condition of constant definite. at last, we obtained the existence of infinity many distinct periodic solutions of the corresponding non - perturbation systems by using the symmetric mountain pass theorem

    ( ? , ? )為r ~ n中內, | ? |為對應范。 f [ 0 , t ] r ~ n r連續, ? f ( t , x )存在且連續, h l ~ 1 ( 0 , t ; r ~ n ) 。利用ekeland變和鞍點定討論了該系統周期解的存在性,把非線性項和位勢放寬到一類無界,推廣了這方面工作的一些已結果;利用廣義鞍點定和lusternik - schnirelman疇論得到了該系統的多重周期解,取掉了泛的常定要求;最後利用對稱山路定得到沒擾動時系統的無窮多周期解。
  17. We detailed toeplitz operator with unomodular symbol, and generated the theorem proved by michael sand in [ 2 ] from h to h + c ( t ). in the second part of this paper, the author discussed simply when multipliction of two toeplitz operators with symbol in h + c ( t ) or in l. we got two conclusions by analyzing symbol of toeplitz operators. the last, we investigated whether multiplication of two toeplitz operators, which range included all non - cyclic vectors of backward shift, is surjective, and partly answered the question about surjective toeplitz algebra posed by michael sand in [ 2 ]

    對于單個的toeplitz運算元,考慮其符號的內外解,得到了它的滿射只與其幺模部關的結論,詳細地討論了符號為幺摸的toeplitz運算元的各種情況,在討論符號在h ~的特殊情形時,推廣michaelsand [ 2 ]中的定2到h ~ + c ( t ) ,第二部簡單地討論了符號在h ~ + c ( t )以及l ~中的兩個toeplitz運算元的乘的滿射情況,先對toeplitz運算元的符號進行析得到兩個結論,最後考察了toeplitz運算元的乘的值域包含后移運算元的所非循環向量的滿射情況,部地回答了michaelsand在[ 2 ]中提出的toeplitz代滿射問題。
  18. This new method has the capability of calculating complicated 3d grain burning surface. dealing with evolving interface of complicated material and topology change ( splitting. breaking. merging ), based on level set method and burning surface process law. this technique can get accurate area of burning surface each moment and data of geometrical structure that provide access to examination of grain change in the srm working process. 2

    結合固體火箭發動機燃面推移規律,在等值面法基礎上開發的裝藥燃面演算法能夠成功計算任意復雜三維裝藥燃面,並且具復雜物質邊界及其拓撲結構發生變化(如裂、破碎、合併)的能力,能夠準確計算出發動機工作過程中各個時刻裝藥的燃燒面,同時輸出裝藥幾何構形據直觀地觀察裝藥的變化情況; 2
  19. From basic equations of elastic mechanics, related knowledge of fracture mechanics and frequent used methods of differential and integral calculus, bending fracture models of anisotropic functionally graded materials is established by assuming that material constants ( stiffness matrix component ) are expressed in arbitrary functions

    根據彈性力學的基本方程以及斷裂力學的論及微方法,將材料常(剛度系)設為空間變量的任意,建立了各向異性功能梯度材料板彎曲斷裂模型,即三類偏微方程邊值問題。
  20. This paper introduces three theorems. by using the theorem, we can easily calculate the limit of integral upper limit function and power function

    摘要介紹了三個定,利用這三個定在求解上限的極限及冪指的極限時更加簡便。
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