簡正函數 的英文怎麼說

中文拼音 [jiǎnzhēnghánshǔ]
簡正函數 英文
normal mode function
  • 簡 : Ⅰ形容詞（簡單） simple; simplified; brief Ⅱ動詞1 （使簡單; 簡化） simplify 2 [書面語] （選擇人才...
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 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
  • 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. 2 the theoretical values of the second virial coefficient are precisely fitted into some simple expressions. according to one of them, a new temperature function for the quadratic terms in cubic equations was derived : the function is simple, general, without acentric factor, truly predictive, theoretically sound, and applicable to all the van der waals - type equations

    2將第二維里系數的理論值較精確地擬合為幾種簡單的表達式，並據此導出了立方型狀態方程中二次項溫度函數的新形式該式簡單、通用，不含偏心因子，具有真正的預測功能和堅實的理論基礎，原則上適用於所有vanderwaals型方程。
  2. The box beam ' s temperature stress of longitudinal direction and transverse direction with different conformation are analyzed, it finds that there is largish temperature tensile stress in the bottom of top deck and the haunch of box beam increase temperature tensile stress in the bottom of top deck. the paper makes a study of different thermal effects resulted from several kinds of closed rigid frame

    根據大量實測溫度場結果建議採用一個有利於理論推導的指數函數的公式來擬和箱梁體內的溫差分佈，既貼近實測數值，計算又比較簡單；通過對空腹式剛架拱橋尤溪洲大橋所在地夏季、秋季、冬季的溫度場及溫度應力的實測，以及與本文所提出計算方法的理論解進行的分析比較，證實了本文計算方法的正確，同時改進了已往混凝土箱梁溫度自應力的計算方法。
  3. Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest

    文摘:在緊束縛近似下，只計及最近鄰的矩陣元，採用格林函數計算了自洽勢修正對簡立方納米晶體顆粒的電子結構的影響，發現電子能譜發生了移動，化學勢不等於格點原子能級，各格點的電子密度也發生了變化，其中以表面格點的電子密度變化最大。
  4. It can always be arranged that degenerate eigenfunctions are orthogonal.

    總可以做到使得簡並的本徵函數是正交的。
  5. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  6. Considering the characters of the viscoidal turbulent flow over high - speed train, the computing model of the outer fiow field for high - speed train has been established based on the incompressible fluid navier - stokes epuation and the turbulent model of ke two equations. the equation set of the flow field problem via finite element methods ( fem ) has been set up

    根據高速列車粘性紊態繞流的特點，在較少簡化的條件下以navier - stokes方程和-兩方程紊流模型為基礎，建立了高速列車外流場的計算模型，在近壁區域採用壁面函數修正紊流模型。
  7. In the second part ( including chapter 4 ), this paper applies gray level coocurrence matrix and image texture feature quantities to evaluate eliminate effect through computing the same sampling region selected. the results show that the three methods can eliminate solar eclipse impact on the satellite vis imagery so that the topography, cloud system texture and ocean current are distinct and differentiable and it is good for analyzing the clouds and weather systems on the cloud image. comparing the three methods, the improved geometry - model method is the most effective

    研究結果表明：原幾何模型法、改進的幾何模型法和數學函數模型法基本都能消除日食對雲圖的影響，經過訂正處理后，各種特徵紋理變細，結構變清晰，信息增加，有利於雲圖上雲和天氣系統的識別和分析；三種方法的比較認為，改進的幾何模型法訂正效果最好，原幾何模型法的效果較差，數學函數模型法更加快速、簡便，但其涉及的主觀因素較多。
  8. Abstract : bridge function and generalized bridge function are all three - valued function, and are made by initial sequence according as copied or shifted ways. they include some familiar orthogonal function of non - sine, such as walsh function. this paper briefly introduced some research advance on this subject, emphasized to introduce the copy theory and generalized copy method. the process of making ( generalized ) bridge function, its property and application, were introduced briefly

    文摘:橋函數和廣義橋函數均為三值函數系，都是將初始序列經復制方式和移位方式變換后而形成的.它們包括了一些常見的非正弦正交函數，如沃爾什函數和方波函數等.簡要介紹了近10年來北京航空航天大學通信與電子系統博士點在非正弦正交函數方面研究的一些新進展，重點介紹了復制理論和廣義復制方法，橋函數、廣義橋函數的復制生成方法、性質及其應用等專題
  9. 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有關方法，包括各種（夾雜）邊界條件下的數值解法，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理論作了簡短的回顧，包括解的唯一性以及非線性不適定積分方程的處理等；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函數方法，鑒于近場數據獲得的重要性，對近場測試時邊界識別的方法給予了相應的證明，並且實現了數值模擬。
  10. And by far, most theories of wavelet analysis are established in, but this method is rare to be known and exists defects in the reproducing kernel space with good properties. then in the reproducing kernel space, isometric isomorphism of relation is founded between and by differential operator. and starting from the haar basis, multi - resolution analysis inis gived by folding method ; then multi - resolution analysis and orthonormal wavelet in are obtained through integral transform from to. then the reproducing kernel space can be expressed by wavelet spaces

    於是，在再生核空間中，利用積分運算元建立了空間與hilbert空間的等距同構關系；並且從haar小波出發，由折疊法實現的空間中多尺度分析通過積分變換得到中多尺度分析和正交小波，使得再生核空間可以由小波空間來刻劃；從而對空間中的函數，給出了小波逼近具體表達式和相應的采樣公式，形式簡單易於數值分析。
  11. Point to above problems, under the financial support of the national natural science foundation ( exploration of high tech and new concept and new conceive ), the excellent young teachers program of ministry of education and national excellent doctoral dissertation special foundation, the static and dynamic real - time computation of elasticity - plastic mechanics, solving method of fuzzy finite element and other problems were studied in this paper. and some achievement was gained as following : ( 1 ) based on the positive definiteness of system stiffness matrix of finite element that was modified and the form of potential energy function of elastic body, the linear system of saturation mode ( lssm ) was introduced into the neural computation of finite element, by which the no - error solving of finite element neural net computation was realized in theory

    針對上述問題，在國家自然科學基金（高技術新概念新構思探索） 、教育部優秀青年教師資助計劃、高等學校全國100篇優秀博士學位論文作者專項基金等的資助下，本文對彈塑性力學問題的動靜態的實時計算、模糊有限元的求解方法等問題進行了系統和深入的研究，取得了以下成果： （ 1 ）根據有限元總剛矩陣經修正後具有正定性的特點以及彈性體勢能函數的具體形式，將飽和模式的線性系統（簡稱為lssm系統）引入到有限元的神經網路計算中，在理論上實現了有限元神經網路計算的無誤差求解。
  12. 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。
  13. Anisotropic parameters can be determined using six simple experiments, tensile tests ( or compression tests ) and pure shear tests

    摘要對於三維屈服函數，正交異性材料異性參數的確定需要單拉（或單壓） 、純剪切等六個簡單試驗。
  14. The application of statistics function of excel may simplify complicated binomial distribution probability counting and normal distribution probability counting, and at the sme time, many statistics functions can be connected together with some counting signs to make statistics analysis process which can be applied to much more complicated statistics counting and analysis

    摘要利用excel的統計函數可以使復雜的二項分佈概率計算和正態分佈概率計算變得簡單，同時，可以利用計算符號把多個統計函數連接起來，製成統計分析程序，用於比較大的復雜的統計計算和分析。
  15. In detail, a class of cardinal orthogonal scaling functions, which are abbreviated as cosf, are constructed in the third section, and are proved that they have the properties of decay ; in the fourth section, the regularities of these cosf are studied in the generalized condition ; under the two special cases, the regularities and the decays of these cosf are discussed in the fifth and sixth sections, respectively

    具體為：第三節構造了一類正交基插值尺度函數（簡稱cosf ） ，並證明它們具有指數衰減性；第四節調查了一般情況下這類cosf的光滑性；第五節、第六節分別討論了兩種情況下這類cosf的光滑性和衰減性。
  16. The solution formula of dwell time is deduced by using the pulse iteration method and the smoothing fourier transition method, and the formula can be simplified referring to workpiece shape. according to the anastomotic status of the tool and workpiece surface, we present the new model of the inherent relation among local pressure density, removal rate, convergence ratio and residual errors, and the corresponding formulas are given. the forming cause of the edge effect in the polishing process is analyzed, and the means which reduces the edge effect is put forward

    2 、針對計算機控制光學表面成形（ ccos ）的加工方式、誤差收斂特點，研製了去除函數呈高斯分佈的雙轉子結構研拋模；採用脈沖迭代法、平滑因子傅立葉變換法推導出駐留時間的演算法，求解過程中根據工件面形的特點作了各種形式的簡化；提出了工件表面和研拋模的吻合誤差與局部壓強、材料去除率、收斂比之間內在關系的數學模型，並推導出相應的計算公式；分析了邊緣效應產生的原因，在加工過程中採用相對壓力因子對去除函數進行修正，可以消除邊緣效應的影響。
  17. The genetic algorithm, which simulates the evolutional process of the nature, is a global and robust algorithm, and the construction of orthogonal multiwavelets via genetic algorithm makes the guideline to determine multiwavelets clear and simple. 2

    遺傳演算法是模擬自然進化過程的全局性魯棒優化演算法，利用遺傳演算法來確定由短序列正交多尺度函數所生成的正交多子波，使確定多子波的思路變得清晰而簡單。
  18. In this dissertation we mainly study normal family of meromorphic functions, uniqueness of meromorphic functions, complex oscillation of differential equations in the complex domain and the value distrbution of quasimeromorphic mapping. the main works are following : 1

    本文主要研究亞純函數正規族，亞純函數唯一性、復域內微分方程解的復振蕩及擬亞純映射的值分佈問題。本文主要工作簡述如下：一
  19. Perfection and adjustment according to system properties, it combines genetic algorithms with fuzzy control, detailed analyzes the problem of designing fuzzy controller and proposes two advanced schemes : first scheme : the change - of - variables are emerged into input variables of the simple fuzzy controllers of oil feeding pump system as one variable, and one pi block is connected after output of fuzzy controllers, consequently the structure of the improved fuzzy controller is analyzed, finally genetic algorithms with adaptive probabilities of crossover and mutation is applied to optimize membership functions and fusing factors of the fuzzy controllers, and the simulation results of before and after optimization are compared

    由於在模糊控制器的設計過程中存在較多的人為因素，為了實現根據系統特性對模糊規則和隸屬函數進行自動修正、完善和調整，本文將遺傳演算法和模糊控制結合起來，並針對前面設計的模糊控制器中所存在的問題進行了詳細分析，提出了兩種改進方案： 1在簡單模糊控制器的輸入變量中加入了變量變化率的信息，即將輸入變量和變量的變化率融合為一個輸入量，並在模糊控制器的輸出端加入比例、積分環節，然後分析了這種改進后的模糊控制器的解析結構，最後採用改進后的自適應遺傳運算元的遺傳演算法對模糊控制器中的隸屬函數和融合因子進行優化，並將優化前後的結果作了比較和分析。 2
  20. Based on this point, penman combines the good approximation capacity of fuzzy system and the merits of internal model control, such as simple design, good regulation capacity, high robustness and elimination of the unknown disturbance etc. to construct the fuzzy internal model control system based on ga, which is characterized by high robustness and quick response speed, furthermore, it can bring good control performance when the controlled objects vary in a big range. at last, it is triumphantly used in simulation of the 1st superheated steam temperature reduction control system

    正是基於這種思想，筆者結合內模控制設計簡單、調節性能好、魯棒性強並能消除不可測干擾的影響的特點和模糊系統的良好的函數逼近能力提出基於遺傳演算法的模糊內模控制，其特點是系統的魯棒性強、快速性好，且當被控對象在較大范圍內變化時，控制系統仍然具有良好的調節特性，並將此控制方案成功地應用於500mw機組一級減溫控制系統的模擬中。
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