逼近公式 的英文怎麼說

中文拼音 [bījìngōngshì]
逼近公式 英文
approximation formula
  • 逼 : Ⅰ動詞1 （逼迫; 給人以威脅） compel; force; drive; threaten 2 （強迫索取） extort; exert pressure ...
  • 近 : Ⅰ形容詞1 （空間或時間距離短） near; close 2 （接近） approaching; approximately; close to 3 （親...
  • 公 : Ⅰ形容詞1 （屬于國家或集體的） state owned; collective; public 2 （共同的;大家承認的） common; gen...
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 逼近 : 1 （靠近 接近） press on towards; gain on [upon]; approach; crowd on; close in on; draw near 2 [...
  1. The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained ， and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve

    導出了曲率半徑與逼近誤差之間的關系和等誤差條件下的參數遞推公式，建立了通過逼近圓弧圓心的直線方程和圓心坐標計算公式.按這種方法用圓弧逼近平面參數曲線，不需要求解非線性方程組，避免了計算可能不收斂的麻煩，簡化了非圓曲線的節點計算過程
  2. 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。
  3. On the basis of the annual appraisal, incentives were implemented for poorest performers under the integrated assessment in the form of full - time training for redeployment, posting adjustment for junior cadres with poorest performance, etc., as a mechanism to foster a sense of commitment and dedication among police officers ; pertinent remedial initiatives were launched to thoroughly curb the extortion of confession through torture, abuse of police arms weapons and unscrupulous resort to coercive measures. this year, based on the " five prohibitions " by the public security department, a new " public security director s order " has again been issued to strictly prevent police officers from involvement in operating places of entertainment, protecting related illegal activities, and collecting undue fees or fines

    近5年來，四川省公安廳根據本地實際，以連續頒發"公安廳長令"的形式就公務用槍、警車警燈警報使用、加強扣押和暫扣機動車管理的問題做出了明確規定；建立了在年終考核基礎上，對綜合考評處于末位的民警實行待崗培訓、基層幹部末位調整等鼓勵民警愛業敬業，忠於職守的激勵機制；還深入開展了嚴禁刑訊逼供、嚴禁濫用槍支警械和嚴禁濫用強制措施的專項治理；今年又在執行公安部" 5條禁令"的基礎上，再次頒發"公安廳長令" ，嚴禁公安民警參與經營娛樂服務場所及其違法活動提供保護和嚴禁亂收費、亂罰款。
  4. The artificial neural net ( ann ) way is universal regard as one of the most effective ways of stlf. in this paper, some research is developed for stlf using ann ways in several parts : the first part is about the arithmetic of ann based on bp model, namely the advanced of traditional bp arithmetic, one alterable step and scale bp arithmetic based on comparability of model and probability of accepting bp arithmetic is used to enhances a lot the convergence rate of learning process of bp network, but also avoid the stagnation problem to some extent. it indicates that the ann ' s efficiency and precision by the way can be ameliorated by the simulation of real data

    神經網路方法在短期預測中已經被公認為較有效的方法，本文針對神經網路用於電力系統短期負荷預測的幾個方面展開研究工作：第一部分研究一般用於負荷預測的神經網路bp模型的演算法，即對傳統的bp演算法的改進，將一種基於模式逼近度和接受概率的變步長快速bp演算法應用到短期負荷預測，模擬結果表明該方法有效的改善了bp演算法收斂速度慢以及容易陷入局部最小點的缺點，從而提高了神經網路用於負荷預測的效率和精度。
  5. Although the rfc of mts systems corporation is a general methods to process road simulation test all over the world, it contains two disadvantages as follows : 1. before the fatigue test, it will take a long period to carry through the off - line iteration to acquire a series control values

    雖然美國mts系統公司的rpc方法是目前國際上進行道路模擬試驗普遍採用的方法，但它存在如下問題： 1系統進入正式的試驗之前，要用較長的時間進行離線迭代運算獲得控制量序列，逐步逼近給定的隨機波形。
  6. By combining the linearization of the governing equation with the method of harmonic balance, we have established analytical approximate formulas for the period and the periodic solution

    將控制方程的線性化與調和平衡法組合起來，建立周期及周期解的解析逼近公式。
  7. Abstract : to facilitate the design, teaching and research of asphalt pavements, the article founded the models of displacement and tensile stress of three - layer system by using separation of variables, analysis and synthesizer. based on the analysis of common pavement structures and their equivalent conversion, the regression formulas of displacement and tensile stress are obtained successfully, furthermore the formulas applied in multi - layer system are checked. a great number of results of regression formulas show good accuracy for engineering application and theory research

    文摘:為方便瀝青路面結構設計生產、教學、科研之用，本文採用分析綜合法與分離變量法建立了彈性三層體系應力位移顯式模型；並在分析常見路面結構層厚度及其當量換算和模量變化范圍的基礎上，成功求得了三層體系路表彎沉、上層滑動應力、上層連續應力、中層應力逼近公式；精度分析表明本文逼近公式精度很好，完全可推廣應用於多層體系，滿足工程設計和有關理論研究的需要
  8. The author ' s work gives new way, which is beneficial to real time interaction and can efficiently reduce computing time as well as data storage amount. these algorithms can find good use in numerical machining, robotics, form - position tolerance and computer graphics. ( 3 ) degree reduction for nurbs curves and surfaces by applying the theory of the best uniform approximation of chebyshev polynomials and the explicit matrix representation of nurbs curves, this thesis centers on the research of the explicit nearly best approximation of multi - degree reduction of nurbs curves

    以上關于等距曲線的幾何逼近與代數逼近的演算法改革了當前國際圖形界只能對基曲線沿法矢方向平移定距離的點作近似逼近的固定模式，創造了利於交互操作，能有效地減少計算量及數據存儲量的新方法，可在數控加工、浙江大學碩士學位論文機器人、形位公差學、計算機圖形學中獲得很好的應用（ 3 ） nurbs曲線曲面降階應用nurbs曲線的顯式矩陣表示及chebyshev多項式逼近理論，以實現nurbs曲線顯式一次性降多階的近似最佳逼近為目標進行了研究
  9. So as to deal with this problem, local b - spline surface designing method with complicated trimmed boundary constraints is advanced. for two neighboring surfaces, we first trim a belt along the common boundary and then bridge a b - spline surface between these two trimmed surfaces with a smooth blending. with respect to the comer area comprised of several adjoining surfaces, a rectangular region covering the comer area is obtained by trimming operations at first, and later a local b - spline for filling the rectangular region is completed through interpolation or approximation

    在兩張相鄰的曲面之間，先在其公共邊界處裁剪出一個帶狀區域，然後再採用曲面搭接的方式實現曲面之間的光滑過渡；而在鄰接曲面的公共角點處，先在該角點附近區域裁剪出一個矩形拓撲域，然後運用插值或逼近的方法，設計出一張既滿足於該區域的邊界條件同時又插值或逼近內部采樣點的b樣條曲面。
  10. Firstly, the voronovskaja type formula of asymptotic expansion of this kind of operators is given. then the approximation of the bounded variation functions by the kinds of operators is discussed

    第一節給出該運算元的voronovskaja型漸近展開公式；第二節討論該運算元對有界變差函數的逼近。
  11. On the base of comparation of several methods, the viewpoints of the author are presented in the paper. in the fifth chapter, a general stochastic optimization method ? tochastic approaching methods, is studied. comparing to the above - mentioned stochastic methods, this method is more convenient to be applied in practice and the better optimization result is expected

    最後，本文首次將隨機逼近法引入滲透系數隨機反演的研究領域，建立了隨機逼近反演滲透系數的計算公式和計算步驟，並將該法與gauss - markov法、 bayes法和廣義bayes法進行了對比，提出了自己的觀點。
  12. Implicit iteration process with errors for common fixed points of a finite family of strictly pseudocontractive maps

    具誤差隱格式迭代逼近嚴格偽壓縮映像族公共不動點
  13. One is, based on answering the above open problem on a finite dimensional euclidean space by means of partially ordered theory, to research the existence of solutions, global error bounds of proximal solutions and sensitivity of parametric unique solutions and present a class of variable - parameter three - step iterative algorithms for generalized set - valued variational inclusion problems by using - resolvent operator of set - valued mapping. two is to consider the convexity, closedness and boundedness of the solution set of general set - valued variational inclusion problems and the sensitivity of the parametric solution set by means of graphical convergence theory. three is to discuss directly the existence of solutions by using analytical methods for set - valued mixed quasi - variational - like inequalities and suggest a class of direct variable - parameter three - step iterative algorithms for solving generalized set - valued variational inclusions

    研究分有三個方面：一是藉助于偏序理論在有限維歐氏空間中解決了上述公開問題，在此基礎上利用集值映射的-預解運算元，研究了廣義集值變分包含問題解的存在性、逼近解的全局誤差界、參數唯一解的靈敏性，並提出了一類變參數三步迭代演算法；二是藉助于圖收斂理論研究了一般集值變分包含問題解集的凸性、閉性和有界性以及參數解集的靈敏性；三是用分析的方法直接討論了集值混合擬類變分不等式問題解的存在性並提出了一類求解廣義集值變分包含問題的直接變參數三步迭代演算法。
  14. However, the computer simulation approximate approach not only clearly indicates the changes of mechanism position, velocity and acceleration orientation by means of figures, but also obtains the closely same accuracy of the analytics without the boring calculation

    計算機模擬逼近法既能以圖的形式展示機構位置、速度加速度的方位變化，又能得到與解析法非常相近的求解精度，又不需推導繁瑣的解析公式。
  15. With the first method, multi - degree reduction can be executed at one time and certain continuity conditions can be satisfied ; by relaxation of constrained conditions, great improvement on the lpm of literature [ 30 ] can be obtained when interval rational bezier curves are degenerated to interval bezier curves. explicit computation formulas are presented when only one or two degrees reductions are required in the second method, and upper bounds for their errors are estimated

    前者可一次性降多階，且能滿足一定的連續性要求，通過約束條件的放鬆，本文的演算法較文獻[ 30 ]的lpm法有更好的逼近；後者則給出了降一、二階時的顯式計算公式和誤差上界估計式，且逼近精度比前者更高。
  16. First in this thesis, calculation methods and work states of five high frequency switching mode power supply transformers in circuit form had been studied systematically. then the optimum square - approach - method was used to fix the pcv - f - bm curve of the pc40 magnetic core material. the values of m1, m2 and m3 in the high frequency formula pcv = m1 * bm2 * fm3 can be gotten and the experience values of these parameters during the traditional design was modified

    首先本文系統研究了五種電路形式的高頻開關電源變壓器的工作狀態及其計算方法，然後用最佳平方逼近法對pc40磁芯的pcv f bm曲線進行擬合，求得了高頻下磁芯損耗pcv = m1 * bm2 * fm3公式中的m1 、 m2 、 m3值，修正了傳統設計中對這三個參數的經驗取值。
  17. Individual risk models approximation by compound poisson approximation is discussed. three principles are presented, and the optimal choice of poisson parameters under the three principles is discussed. it is proved that the individual risk model is also a compound binomial model ; and formulas on the calculation of the optimal parameters are given. for two distributions, exponential and pareto, calculating results are given

    具體討論個體風險模型的復合poisson逼近。引入了3個準則，在這3個準則下，分別討論poisson參數的選取。證明了個體風險模型為一復合二項分佈模型在3種準則下，討論了參數的計算，並給出參數的計算公式對指數分佈和pareto分佈，給出計算結果。
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