整數收斂 的英文怎麼說

中文拼音 [zhěngshǔshōuliǎn]
整數收斂 英文
integral convergence
  • : Ⅰ形容詞1 (全部在內; 完整) whole; all; complete 2 (整齊) neat; tidy; orderly Ⅱ動詞1 (整理; 整...
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ動詞1 (把攤開的或分散的事物聚集、合攏) put away; take in 2 (收取) collect 3 (收割) harvest...
  • : Ⅰ動詞1 (收起; 收住) hold back; keep back 2 (約束) restrain 3 (收集; 徵收) gather; collect; ...
  • 整數 : 1. (不含分數或小數的數) integer; whole number; integral number2. (沒有零頭的數目) round number; round figure
  • 收斂 : 1 (減弱或消失) weaken or disappear 2 (約束言行) restrain oneself 3 [數學] convergence; constr...
  1. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻通道設計為斜航線(等傾角螺旋線)槽形,可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制控加工程序難度大.為了解決控加工程序的編制問題,研究了斜航線的學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線控加工程序.燃燒室-擴張段的母線斜率變化大,加工難度大,是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義
  2. And raga can steadily adjust and compress the variable changed space. the times of accelerating circle is not many, commonly, the times is under 10 times. even though the problem is very complicated, the times of accelerating circle is less than 50 times

    該方法具有處理復雜優化問題的能力,並且,它調、壓縮搜索區間的性能也是穩健的,不易早熟,加速循環的次也不會很高,一般就在10次以下,即便是特別復雜的問題其加速循環次也在50次以內,所以說raga的計算量很少。
  3. It is demonstrated that the solution for 141 000 order normal equations for a simulated astro - geodetic network ( 47 057 points ) and a space one ( 476 points ) iterates 4 993 times to converge to 1 10 - 18 second, taking 28 min and 47 seconds, on a pii / 233 computer, showing over 40 times more efficiency, as compared with the coefficients unadjusted

    利用模擬的天文大地網( 47057點)和空間網( 476點)在pii / 233微機上解算14 . 1萬階方程組共迭代4993次(至1 10 - 18角秒) ,花費機時28分47秒,與未進行系調相比,功效提高40多倍。
  4. 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,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,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。
  5. This optimizing method had been used successfully in full - scale aircraft testing. 6 ) in the global equilibrating, a modified lagrange multiplier method had bring forward. this method can solve inequality constrained optimizer problems

    體平衡中,提出了改進的拉格朗日乘法,成功地解決了含不等式約束條件的優化問題,該方法具有計算簡單,速度快等特點。
  6. The specific research methods include : the reliability and validity of the scale ( cronbach ’ s of the scale, split - half reliability, the reliability of each dimension, discriminant validity, convergent validity ) ; the factor analysis method to get the dimensions of internal service quality ; the independent - samples t - test and paired - samples t - test method to analyze every discrimination of internal service quality ; the comparison of means to evaluate the sequence of every dimension

    具體的研究方法包括:對量表進行信度和效度分析,包括個表的cronbach系、分半信度、各維度的信度、區別效度和效度的分析;使用因子分析的方法測量內部服務質量包含的維度;採用兩獨立樣本的t檢驗和兩配對樣本的t檢驗的統計方法對內部服務質量各差距進行分析;通過對樣本均值的比較,分別得出各維度在員工和管理者心目中的重要性排序。
  7. Finally, in the third section, by constructing some functional which similar to the conservation law of evolution equation and the technical estimates, we prove that in the inviscid limit the solution of generalized derivative ginzburg - landau equation ( ggl equation ) converges to the solution of derivative nonlinear schrodinger equation correspondently in one - dimension ; the existence of global smooth solution for a class of generalized derivative ginzburg - landau equation are proved in two - dimension, in some special case, we prove that the solution of ggl equation converges to the weak solution of derivative nonlinear schrodinger equation ; in general case, by using some integral identities of solution for generalized ginzburg - landau equations with inhomogeneous boundary condition and the estimates for the l ~ ( 2 ) norm on boundary of normal derivative and h ~ ( 1 ) ' norm of solution, we prove the existence of global weak solution of the inhomogeneous boundary value problem for generalized ginzburg - landau equations

    第三部分:在一維情形,我們考慮了一類帶導項的ginzburg ? landau方程,通過構造一些類似於發展方程守恆律的泛函及巧妙的積分估計,證明了當粘性系趨于零時, ginzburg ? landau方程的解逼近相應的帶導項的schr ( ? ) dinger方程的解,並給出了最優速度估計;在二維情形,我們證明了一類帶導項的廣義ginzburg ? landau方程體光滑解的存在性,以及在某種特殊情形下, gl方程的解趨近於相應的帶導項的schr ( ? ) dinger方程的弱解;在一般情形下,我們討論了一類ginzburg ? landau方程的非齊次邊值問題,通過幾個積分恆等式,同時估計解的h ~ 1模及法向導在邊界上的模,證明了體弱解的存在性。
  8. For the purpose of discovering the near - globally optimal solution, this paper proposed a hybrid approach of ant colony algorithm and sequential quadratic programming ( sqp )

    摘要為了獲得體近似最優解,提出採用蟻群演算法,搜索發電機可運行狀態的最優組合,並對蟻群演算法的學模型進行分析,以參的形式給出具有普遍意義的性定理。
  9. Specifically, according to the w - w five parameters failure theory, the fracture criterion of crack is established, and the state of crack ( open or close ) is judged by the values of the crack strain. combining the two points, the predict - model about the failure of concrete material is established. this predict - model can predict 16 failure forms, and basing the different failure form predicted after crack, the stress - strain relationship matrix of concrete material is adjusted

    具體來講,根據w - w的五參混凝土破壞理論,建立混凝土的開裂準則,根據開裂應變值來判斷裂縫是張開還是閉合,從而在兩者基礎上建立了裂縫的開裂預測模式,總共有16種開裂模式;裂后根據具體的開裂模式及殘余抗剪能力來調混凝土的本構關系矩陣,即用等效剛度代替原有剛度,考慮到垂直於裂縫方向的剛度為零,這樣會使裂后的總剛出現病態,為此文中通過引用鬆弛系來對出現裂縫的單元進行預處理,一方面可解決因過大的舍入誤差導致計算結果的不可信問題,另一方面就是可加速
  10. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向,本論文重點做了以下幾個方面的工作,目的在於提高dtc系統的綜合性能: ( 1 )提出一種新型的速度磁鏈觀測器,新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度,並且根據popov超穩定性理論推導出轉速的新型自適應律; ( 2 )改善系統的低速運行性能,主要從提高低速時對定子磁鏈的估計精度入手,提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參; ( 3 )採用字信號處理器dsp實現系統全字化硬體控制,結合ti公司生產的tms320lf2407晶元,設計了直接轉矩控制系統的實驗裝置; ( 4 )提出了基於sercos總線網路化分散式的直接轉矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出個控制系統的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。
  11. The system identification method is presented for backcalculating the dielectric property and thickness of pavement structures. the method of singular value decomposition is put forward to diagnose the ill - conditioned governing equation and the problem of finding solution to ill - conditioned governing equation is successfully resolved. the parameter adjustment arithmetic with high accuracy, which is based on precise theory and can be converged rapidly, is established

    提出了路面結構層介電特性及其厚度反演分析的系統識別方法,將奇異值分解技術應用於控制方程的病態診斷和求解,有效地解決了控制方程病態時的求解問題,建立了理論嚴謹、快、精度高的模型參調演算法,並開發了路面結構層材料介電特性及其厚度反演分析軟體sidthk 。
  12. The new method ameliorates the process of old iterative method and add a new iterative parameter : convergence factor, which can improve the quality of reconstruction image by changing the iterative process and adjusting convergence factor

    該演算法改進已有的迭代過程,加入了新的迭代參因子,通過改變迭代進程和調因子來提高重建圖像的質量。
  13. The lyapunov function is used to analyze the convergence of the general learning rule, and it is proved in theory that the general learning rule has the inherent factor which adjusts the coefficient values to gain the minimum error

    通過理論推導,用李雅普諾夫函分析和驗證通用參學習規則的學習性,揭示參學習演算法朝最小誤差方向調的內在因素。
  14. When gun - powder category is different, the sample of training neural network needs change and network parameters 、 need adjustment in the training process according to the requirement of velocity. but the genetic algorithms parameter and training algorithm of neural network will keep the same

    當藥劑品種不同時,需要改變網路的訓練樣本庫對網路進行重新訓練,同時網路參、應根據對網路的速度要求在訓練過程中進行調,而遺傳演算法的相關參和網路的訓練演算法不變。
  15. 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態性能的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,可動態的調隸屬函的形狀、位置以及神經網路遞歸權值,並對其與pi控制器的交流調速控制系統進行了模擬比較,模擬結果表明與普通的pi控制器相比較,遞歸模糊神經網路控制器有較好的動態性能,控制器的速度快、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、抗擾動性有明顯的提高。
  16. Premature convergence is still the prominent problem in genetic algorithms. some excellent individuals or genes are lost due to premature convergence, which causes local optimum. a parameter adaptive genetic algorithm based on the entropy estimating is advanced in this paper

    自適應遺傳演算法的控制參可以根據個體的適應度大小進行自適應調,體現了生物進化中「優勝劣汰」的思想,使其速度較基本遺傳演算法有了很大提高。
  17. With the development of morden aero - propulsion system, the simulation technology has became one of the most important means in aeroengine design. aeroengine nonlinear mathematical models, as the basis of engine performance simulation, are not convergence favorably in entire flight scope, because of the solution limitations of nonlinear equation and the engine balance equations

    作為值模擬的基礎與核心,目前廣泛應用的發動機非線性學模型,由於平衡方程各種迭代解法與模型中非線性方程解法的不足,因而從根本上沒有解決模型在個包線范圍內的問題,極大地制約了發動機值模擬技術的發展。
  18. By theoretical analysis and numerical experimentation, the genetic method for large scaling multi - apex and no smooth mixed integer nonlinear programming can get a good global solution, and it is better than other algorithms used to resolve in the feasibility, stabilization and convergent speed of the solution

    理論分析及值試驗表明:該演算法對大范圍、多峰、非光滑混合規劃問題有較好的全局求解能力,在解的精度、穩定性和速度等方面優於一般的求解混合非線性規劃的演算法。
  19. The major tasks include : ( 1 ) expand the schema theorem for ga. the schema theorem with binary coding advanced by professor holland is expanded to limited integer, letter, floating point numbers the number of which value is limited, and their hybrid coding. ( 2 ) put forward replacing by the excellent chromosome ga ( recga ), superiority colony first ga ( scfga ) and improve the ga ; ( 3 ) make probability convergence analysis of recga using the theory of markov chain, random process ; ( 4 ) make convergence analysis of scfga using the principle of contractive mapping in functional analysis theory ; ( 5 ) design the test programs ( cap ) to resolve np problems ( course arrangement ) with gas ; based on recga, modify the arithmetic and then conduct tests

    主要有以下幾方面工作: ( 1 )將二進制編碼遺傳演算法的模式定理擴展到由有限、字母或取值個有限的浮點編碼,或它們混合編碼的遺傳演算法范圍; ( 2 )提出最佳個體替換策略遺傳演算法( recga ) 、優勢群體優先策略遺傳演算法( scfga ) ,對遺傳演算法進行改進; ( 3 )使用隨機過程理論markov鏈對recga進行了性分析; ( 4 )使用泛函分析理論壓縮映射原理對scfga進行了性分析; ( 5 )使用遺傳演算法設計了解決np類問題(排課問題)的測試程序( cap ) ,並根據recga對演算法進行改進並進行測試。
  20. In chapter 2, we investigate the problem on the orders of growth and the convergences of the zero - sequence of the solutions of second linear differential equations with entire coefficients to the functions with smaller order of growth

    其中第二章研究了二階線性微分方程的解取慢增長函時的增長級與零點的問題;第三章研究了一類高階亞純系線性微分方程解的超級。
分享友人