函數的形態 的英文怎麼說

中文拼音 [hánshǔdexíngtài]
函數的形態 英文
the function forms
  • : 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
  • : 4次方是 The fourth power of 2 is direction
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • 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. Through the detailed analysis of the aaf, the defection of using chirp - fourier transform in guidance radar signal processing is pointed out

    通過對加速度模糊函數的形態分析也指明了針對線性調頻信號二次相位匹配處理( chirp - fourier變換)在應用到制導雷達信號處理中所存在缺陷。
  2. 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將第二維里系理論值較精確地擬合為幾種簡單表達式,並據此導出了立方型狀方程中二次項溫度式該式簡單、通用,不含偏心因子,具有真正預測功能和堅實理論基礎,原則上適用於所有vanderwaals型方程。
  3. The contribution of shell structure to the potential energy function can be obtained from an analysis of relative energies of nucleonic configurations in a potential of given shapes.

    通過分析在一給定勢能中核子組相對能量,可以得到殼結構對勢能貢獻。
  4. At the same time, this thesis focuses on the theoretical research on the lbgk method and discusses the inner relation between the lbgk and the n - s equations. the relationship among the selection of velocity group, the forms of equilibrium distribution functions, and the macroscopic n - s equations is clearly revealed. lbgk method has many advantages, such as easy dealing with the complex boundary conditions and high amenability to parallel computing

    本文系統地總結了各種lbgk模型,特別是對lbgk模擬二相流和多相流模型進行了認真地研究;同時從新角度對lbgk進行了理論研究,用全新方法探討了lbgk和n - s方程本質聯系,清晰地揭示了速度族選擇、平衡分佈式和宏觀ns方程三者之間關系。
  5. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種基於遺傳演算法直流雙閉環調速系統參優化設計方法.根據工程技術要求,選用速度超調量和過渡時間作為參優化性能指標.將該指標用模糊隸屬度歸一化,再加權平均成系統優化模型目標.採用計算機值計算方法,通過模擬獲得系統對應參響應曲線及其性能指標.最後以工程設計為搜索范圍,以速度調節器和電流調節器為染色體中基因,通過遺傳演算法在搜索范圍中優化這些基因,獲得優化解.實驗結果表明,所設計能使系統性能指標有顯著提高
  6. We find that the behavior of this energy as a function of the boundary surface radius is similar to those of the static black holes, and that the energy at the horizon does reduce to the expression conjectured by martinez

    我們發現該能量作為徑向坐標表現行為與靜很類似,而且在事件視界處它確實符合martinez猜測。
  7. Conditions of normal mode realization are deduced and optimized model with the multivariate mode indicator function as the target function is built. through solving the maximal eigenvalue problem, the original shaker force vector of appropriation is reached. then the realization approach of the optimal shaker force vector based on single shape principle is proposed and at the same time the automatization of normal mode appropriation is realized

    對于模物理分離技術多點正弦激振純模試驗技術,尋求其最佳激振力矢量是最為關鍵環節,本文先推導出純模實現條件,建立以多變量模指示為目標優化模型,通過求解最大特徵值問題,得出適調純模初始激振力矢量,再提出以單純原理為基礎最佳激振力矢量實現方法,同時也實現了純模適調過程自動化。
  8. 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資助下,本文對彈塑性力學問題動靜實時計算、模糊有限元求解方法等問題進行了系統和深入研究,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特點以及彈性體勢能具體式,將飽和模式線性系統(簡稱為lssm系統)引入到有限元神經網路計算中,在理論上實現了有限元神經網路計算無誤差求解。
  9. Besides the design of the hardware construction for shape meter, the software system written in visual basic 6. 0 is also developed. the real - time data acquisition and conversion system worked in interrupt mode is accomplished by means of loading dynamic linkage library of pcl - 812pg enhanced multi - lab card. the converted data processing will be operated then, for example, scale operation, comparison, graphic display, data storage, etc. the adjusting values for the shape control are also calculated in it

    本文在參考大量帶材標準板、軋制初始量設定、調節量計算研究基礎上,確定了標準板模型、設定模型、調節控制模型等學模型;並給出了其相應演算法;完成了板儀計算機控制系統硬體設計,並在此基礎上,應用高級開發語言visualbasic6 . 0 ,通過加載pcl - 812pg多功能據採集卡驅動程序后,調用動鏈接庫( dll )中方法,完成了信號中斷方式下實時據採集,採集據經計算機作標度變換、對比、圖顯示、存儲等處理,並提供了用於板閉環控制調節量。
  10. Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    在研究疲勞過程中材料強度退化規律基礎上,建立了一個強度退化模型.對其進行隨機化處理,得到控制強度退化過程隨機微分方程.在一定假設條件下,獲得了剩餘強度概率密度封閉解,並推導出疲勞壽命反高斯分佈式.給出一種考慮損傷狀對隨機漲落影響近似處理方法.與試驗比較結果表明,本文模型和方法是合理
  11. The term of “ congestion " was firstly used in transport industry, it was considered to be a phenomenon that excessive transport vehicle were input on transport, which causes the blockage and a declining transport capacity ( d. mcfadden, 1978 ). he considered the state of production factor congestion as a border state, which generally represented all phenomenon of a weak disposal capacity formed by improper collocation of production factor. under the assumption of absolutely rational and complete information in classical economics and the principle of manufacturer ’ s maximal profits, the collocation of resources will not achieve " congestion "

    本文首先以生產要素擁擠概念為研究問題展開基點,指出生產要素擁擠是一種要素配置無效狀,利用等產量線圖、生產要素可處置性理論與廠商生產理論對傳統經濟區域與很少提及非經濟區域進行了研究,指出生產要素擁擠體現為等產量線后彎,生產要素擁擠后彎部分等產量線構成了生產非經濟區。
  12. An algorithm based on mathematic morphology and fuzzy evaluation functions is put forward used for license plate location on line

    3提出一種基於學和模糊評價實時車牌定位演算法。
  13. 2. in this paper, the continuity of the wavefunction and of its derivative divided by the band - mass can be satisfied and the number of the terms is small when calculating the energies of the single electron in a square quantum wire with finite barriers, then this wavefunction can also be selected as the envelope function in studying the impurity states and the excitons in the square quantum wires with finite barriers

    2 .由於本文所取波滿足波連續性條件和粒子流守恆條件,並且計算有限深方量子線中單電子能量時需要展開較少,故此波也可選為有限深方量子線中雜質、激子等問題包絡
  14. This paper has studied the wavefunction expanded in terms of the two - dimensional harmonic oscillator eigenfunction through calculating the energy of the ground state, the energy of the first excited state and the oscillator strength in a square wire with finite barriers and studied its application in these fields. the most remarkable advantage of this wavefunction is that it can satisfy the continuity of the function and of its derivative divided by the band - mass and it is convenient to calculate some physical magnitudes because the number of the terms is small

    本文通過計算有限深方量子線中單電子能、第一激發能和振子強度研究了以二維諧振子本徵為基展開以及它在這些問題中應用,此波顯著優點是:在邊界處滿足波連續性條件和粒子流守恆條件,並且展開項少,計算方便。
  15. By analysis of the transfer function and modal shape, we can draw a conclusion that this system is different from the common frame structure and even different from other types of structure with special - shaped columns. so the necessity of the studying has been verified

    通過對傳遞分析以及對模振型回歸計算,找到了該結構體系由於其特殊施工方式和構造措施與一般框架結構體系及異柱填充墻體系相比所具有特點。
  16. A nonlinear numerical model for wave transformation is established in time domain based on integral equation transformed from two dimensional laplace equation. then the model is applied to compute the linear wave and nonlinear wave deformation in offshore flow field. a new 0 - 1 combined bem ( boundary element method ) is adopted in this thesis to avoid computational errors accumulated with time steps

    本文以波動勢laplace方程green積分轉換得到邊界積分方程為基本控制方程,建立了一種新時域內波浪變計算值模型,籍此對非線性波浪在結構物周圍波浪進行了值模擬,並通過值造波水槽內波浪試驗對值模擬結果進行檢驗。
  17. Description or discrimination of boundary curves is an important problem in image processing and pattern recognition. there are too many boundary feature description methods for object recognition, three main methods are fourier descriptors, relative moments, mathematical morphology. the performance of each of the methods was compared

    在圖像處理和模式識別領域經常根據物體邊界來識別物體或對其分類。實際應用中,對物體邊界特徵描述方法很多,本文對學、相對矩、基於極半徑傅里葉子這幾種方法進行了比較研究。
  18. While for colored phase fluctuation, the number of extremum in the steady state distribution is changed from one to three directly

    而色噪聲位相漲落情下,定分佈極值點由一個直接變為三個。
  19. With the development of the electrical power enterprise and computer technology, it is important to design a highly efficient , better maintainable and graphic interface based software package for power system analysis and computing in the paper , the author put forward a kind of new sensitivity analytical method which take into account load characteristic to fix on the weak bus, and with example to prove the exactness of the algorithm ; developed the visual electrical power system analysis and computing and graphic sporting system, the software package was developed by using the idea of object oriented programming , the method of class ' s inheritance , polymorphism and virtual function, and set up equipment - chart element - the interreaction between class this make it easy to expand, maintain and replant

    隨著電力事業和計算機技術發展,研製高效率、可維護性強、具有良好用戶界面化計算分析軟體成為電力系統分析計算研究重要任務之一。本文提出了一種計及負荷特性靈敏度分析方法來對薄弱母線進行確定,並用算例驗證了演算法正確性;開發了圖電力系統分析計算軟體和圖支持系統,該軟體完全採用面向對象設計方法,充分利用了類繼承、多性質和虛方法,建立起設備圖元類之間相互關系,使軟體具有高度開放性、可維護性、可移植性。
  20. So the paper combined the fuzzy logic control and recurrent neural network, and the recurrent fuzzy neural network ( rfnn ) controller is introduced into the speedsensorless vector control system. moreover, an online parameter training methodology, which is derived from the lyapunov stability theorem and gradient descent method is proposed to increase the learning capability of the rfnn. the rfnn controller has a better performance than the pi controller system ; the effectiveness of the proposed control scheme is verified by simulation results

    因此論文將模糊控制和具有優越動性能遞歸神經網路結合起來,取長補短,提出了一種遞歸模糊神經網路控制方法,利用神經網路來實現模糊推理,可動調整隸屬狀、位置以及神經網路遞歸權值,並對其與pi控制器交流調速控制系統進行了模擬比較,模擬結果表明與普通pi控制器相比較,遞歸模糊神經網路控制器有較好性能,控制器收斂速度快、靜差小,系統在遇到參發生變化和外部不確定性問題時魯棒性、抗擾動性有明顯提高。
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