迭代法計算 的英文怎麼說
中文拼音 [diědàifǎjìsuàn]
迭代法計算
英文
calculation by iteration- 迭 : Ⅰ動詞(輪流; 替換) alternate; change Ⅱ副詞1 (屢次) repeatedly; again and again 2 (及) in tim...
- 代 : Ⅰ動詞1 (代替) take the place of; be in place of 2 (代理) act on behalf of; acting Ⅱ名詞1 (歷...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
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In the self - calibration scheme, the thesis emphasizes the accuracy of camera intrinsic and extrinsic parameters. we presents an accurate f method based on corresponding point adjustment. the method adjusts coresponding points according to the fixedness of projective transformed cross ratio, then calculates f matrix accurately through linear and non - linear methods. when computing intrinsic parameter, a matrix, we simplify the step, and stress on the two important parameters of a. the result will be getten through solving kruppa equation based on svd decomposition. in order to compute extrinsic parameters, we use linear method to get initial r and t, then apply non - linear method to accurate them
提出了基於匹配點調整的f求精方法,先根據攝影交比不見性對手工選擇的匹配點進行調整,再用線性、非線性結合的方法求精f矩陣;在計算內部參數a中,進行了一定的簡化,把重心放在a中重要的兩個參數上,用svd分解法計算kruppa方程;在計算外部參數時,首先用線性法求解r 、 t ,然後再用非線性法迭代求精。With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed
本文在深入研究真空微電子器件場致發射理論的基礎上,根據圓錐形、楔形陰極真空微電子三極體的不同特點,分別建立了物理和數學模型,在考慮空間電荷密度影響的前提下,以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況,繪制出了等勢線、電子軌跡線,並得到了器件電學性能隨幾何參數的變化情況。For obtaining the numeral solutions of round elastic plates in axisymmetrical deformation with varying - thickness in nonlinear deformation in the unsteady electromagnetic field and mechanical field, by establishing the equations of motion, the equations of distortion, the equations of lorentz force, the equations of electronic dynamic mechenical, and adopting iterative method, we gained the nonlinear magneto - elastic calculation method and outcome of current - carrying shell, and gained the influencing degree toward mechanical parameter of varying thickness round ferreous plates in the electromagnetic field and mechanical field
摘要為了獲得內邊界固定的環形導電薄板在均布力與橫向磁場作用下的變形問題的數值解,通過建立運動方程、變形方程、電動力學方程和洛侖茲力方程,運用迭代法得出了載流板殼的非線性磁彈性的計算方法和結果,以及機械場、電磁場對鐵質變厚度圓板各力學參量的影響程度。An iterative method to estimate hurst index of self - similar network traffic
指數的迭代估計演算法Thirdly, phase retrieval by use of gerchberg - saxton ( gs ) algorithm based algorithm and phase retrieval by use of a green ’ s function under neumann boundary conditions is applied to dgwfs. the phase retrieval of combinations of zernike is simulated in computer
第三章分別對基於gesrchberg - saxton法( gs法)的迭代法和neumann邊界條件的green函數法的波前恢復進行了計算機模擬,並給出了具體程序框圖。The result indicates that the nonlinear elastic model is appropriate for better foundation condition, while the viscoelastic model is appropriate for worse foundation condition. according to the uniqueness of back analysis solution, it is put forward a method for the back analysis of layer - wise and section - wise iteratively. which is showed advantage by the calculation result
分析表明,非線性彈性模型一般適合地基較好的情況,而對于地基較差的情況宜採用粘彈性模型;針對反演計算解的唯一性問題,提出了分層分部反演迭代的計算方法,計算表明,該方法具有一定的優越性。The azeotropic distillation of the system acetic acid - water - azeotropic agent ( isopropyl acetate and butyl acetate ) is simulated. due to the non - ideal behavior, nrtl - hoc and uniquac - hoc model is used to depict vapor - liquid phase equilibrium behavior of this system. concerning the liquid in the decanter, the stability is checked by tangent plane stability analysis, and the initialization of phase splitting calculation is produced. a good estimate of the phase fration is gotten by successive substitution with newton ' s method, and every component of two phase is gotten by mass equilibrium equation. finally, the solution of this equation is produced with successive substitution calcultion. the naphtali - sandholm method is used to simulation of azeotropic distillation. by virtue of this combined calculation method, the simulation is begun with operational data as basical data. the results of simulation accord with the operating data, which proved that the combined calculation method is credible
該體系具有高度非理想性,氣液相平衡模型採用nrtl - hoc和uniquac - hoc模型,採用切平面判據法對進入分層器中的液相進行液相穩定性測試,提供液液相分離計算的初值,再結合牛頓拉夫森迭代法運算求得相分割系數,根據物料衡算求出各相組成,循環迭代可求得分層各組分數據,共沸精餾模擬計算採用那夫塔列-山德荷姆全變量迭代演算法。Calculating water flow constract deepage with high order equation iteration method
用高次方程的迭代法計算水流收縮水深In chapter 4, we discuss the method of vos abstraction based on temporal segmentation in detail. first we put forward affine modal, which is a kind of 3 - d motion modal of rigid body, compensate global motion vector based on this modal, and get the changed detection mask ( cdm ). then we introduce the conception of optical flow field, compute the local
首先構建三維剛體運動的模型,提出一種計算模型的全局運動矢量的方法,並進行全局運動補償、變化檢測模板提取和連通域標記等步驟,然後引入光流場的概念,並介紹其計算原理和方法,用horn - schunck迭代法計算圖像中各點的局部運動矢量,並據此對變化檢測模板的結果進一步提取,獲得時域上分割的信息。The calculation of ultrasonic echo parameter by gauss - newton iterative method
超聲回波參數的高斯與牛頓迭代法計算Calculation on uniform flow depth and critical depth of open channel with iterative method
用迭代法計算明渠均勻流水深和臨界水深Alternative direction implicit iteration applied to calculate temperature field for casting in solidification process
用交替方向隱式迭代法計算鑄件凝固過程的溫度場Difference iterative method is used to estimate numerically director configurations in the a - htn mode lc cell in this paper. according to the liquid crystal director configurations, the eo characteristic of lc cell for tilted incident light can be accurately calculated
文中利用差分迭代法計算了a - htn型液晶盒中指向矢分佈的計算,根據指向矢的分佈情況可以計算出斜入射光通過液晶盒后的透過率,並根據此來研究液晶盒的電光特性。Secondly, to analyze seismic response of the concrete gravity dam, subspace iterative method was applied to compute free vibration period of the dam, time integration method was built up for the seismic time history analysis and formulation of coupled vibration of reservoir water and dam were also deduced
其次,針對混凝土重力壩的地震響應分析問題,採用子空間迭代法計算了大壩的自振周期,建立了地震時程分析的逐步積分方法,並且推導了庫水和壩體耦合振動的理論公式。Difference iterative method was used to estimate numerically director configurations in the nlc - bl037 cell in this paper. the refractive indices and phase retard of nlc in electric field was presented on the basis of the calculation of liquid crystal director distributions. then we analysed the diffraction phenomenon when the linearly polarized light was controlled by diffraction grating which was based on rectangular grating and sinusoidal phase grating models and we got it ’ s math model 。 finally we designed the nlc phase grating and we did the experiment to validate the theoretic calculation
文中利用差分迭代法計算了向列相液晶bl037盒中指向矢分佈的計算,根據指向矢的分佈情況得到了向列相液晶的雙折射率分佈和非常光通過液晶盒產生的相位延遲隨電壓變化;並在矩形光柵和正弦相位光柵的基礎上,分析了入射偏振光通過液晶電控光柵所產生的衍射情況。One self - anchored suspension bridge is the subject investigated, the finite element program " midas " is adopted to establish the spatial computation model of the suspension bridge, and the subspace iteration method is used to calculate the natural vibration frequencies and modes of the bridge, the bridge ' s dynamic property and rigidity feature are discussed with the computed results
摘要以某自錨式懸索橋主橋為研究對象,採用midas有限元程序,建立了該橋的空間力學計算模型,利用子空間迭代法計算了該橋梁結構的自振頻率和振型,結合計算結果對橋梁的動力特性和剛度特點進行了討論。In contrast to conventional optimization algorithms whose iterates are computed and analyzed deterministically, randomized methods rely on stochastic processes and random number / vector generation as part of the algorithm and / or its analysis
傳統的最優化演算法中迭代的計算和分析是確定的,與之相比,隨機方法依靠隨機過程和隨機數字/向量的生成作為演算法和(或)演算法分析的一部分。In this paper, slender columns with the two ends hinged are considered. an iterative computer analysis procedure taking into account the second - order effect of the axial load is proposed to predict this complete load - deformation process
本文針對兩端鉸接的任意截面鋼-砼組合長柱,考慮長柱在偏心荷載作用下的附加彎矩影響(二階效應) ,提出了一種數值迭代的計算機方法進行全過程分析。Beginning with the equivalence principal, two types of near - field to far - field ( nfff ) transformation s are discussed systematically, i. e. frequency - domain nfff ( fd - nfff ) and time - domain nfff ( td - nfff ). in td - nfff transformation, the concurrent - processing approach is used, where the contributions to far - field from the tangential electric current and magnetic current on the equivalence surface are calculated " on - the - fly " in step with the fdtd simulation. as a result, it is not necessary to store the tangential current components for every equivalence surface at every time step, and therefore reduce considerably computer storage required for the td - nfff transformation
在理論部分,本文從電磁場的等效原理出發,系統、詳盡地論述了頻域和時域近遠場變換的基本思想,在時域近遠場變換中採用實時的變換方法,即每進行一個時間步的迭代,就計算一次等效面上該時間步的切向電流和切向磁流對遠場各方向的貢獻,這樣就使時域近遠場變換不需要儲存等效面上每一個時間步的切向電流和切向磁流,大大減小由於近遠場變換而增加的計算機內存需要量。In this paper an iterative computer - based analysis method is first proposed and the corresponding visualized computer program is developed. the proposed method was based on several reasonable assumptions including that plane sections before deformation remain plane after deformation
本文首先根據幾個合理的計算假定,建立了一種基於數值迭代的計算機方法,並編制了相應的可視化計算機程序。分享友人