迭代積分 的英文怎麼說

中文拼音 [diědàijīfēn]
迭代積分 英文
iterated integral
  • 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...
  • 積 : Ⅰ動詞（積累） amass; store up; accumulate Ⅱ形容詞（長時間積累下來的） long standing; long pending...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 積分 : 1. [數學] integral; integrate; integration 2. [體育] （積累的分數） accumulate points
  1. In the study of the lumber carrier, one of the very important problem is the in spot and ultimate station due to flooding which will bring tremendous threat to the ship because of the few holds in order to study the lumber carrier buoyancy, stability and longitudinal strength under the condition of flooding, the paper adopt fundamental ship principle and iterative and accumulative concept on the basis of insumersibility theory to detailedly calculate the flooding speed flooding amount front draft after draft stability and longitudinal strength considering the ship " s sinking and inclination which will change the center of gravity and the loading station both in hold and on deck and the effect of flooding and lumber amount in holdo in the last, the paper introduces an example of the actual ship named " fei yun ling " and makes a contrast between not taking measure and taking measure which draws a reasonable conclusion and comes up to some advice the method avoids the cockamamie calculating while insures enough precision the paper draws a conclusion that not all the lumber carrier will submerge when suffering the damaged flooding if the loading or measure is suitable

    為了研究運木船舶在破艙狀態下的浮性、穩性和強度，本文在抗沉性理論的基礎上，運用船舶基本原理，採用了迭代和累計的思想，將船舶的進水過程劃分為很多次進水的積累，詳細計算了運木船在破艙進水的過程中，考慮到各種破艙參數、船舶本身的下沉、艙室內木材、甲板貨的裝載情況和在進水過程中船舶本身的傾斜對進水重心的影響，以及艙室內的進水量和木材對破口處進水速度的影響，船舶總的進水速度、進水量、首尾吃水、穩性的實時狀態和最終船舶的總縱強度，給出了計算實例，並進行了在採取用泵抽水前後浮態參數的對比，得出了該船舶在艙室內的貨物積載量達到某個數值時可以保證船舶在破艙進水時不會沉沒，或者在當開口小於某數值時，採取適當的措施后，可以使船舶避免沉沒。
  2. Turbo codes represent the new code structures, which consist of pccc ( parallel serially convolutional code ) and sccc ( serially concatenated convolutional code ). in this paper, the background of turbo codes are firstly introduced, which includes the base principle of error correction code 、 block code and convolutional code ; the principle of turbo code and the iterative decoding is secondly expanded ; the key decoding algorithm : a revised map algorithm and iterative decoding theory are detailed ; then, a new turbo code structure : hccc ( hybrid concatenated convolutional code ) is presented, and the capacity of this code method is analyzed, the average capacity upper bound is derived ; at last, this code is simulated on awgn ( additive white gaussian noise ) channel and rayleigh fading channel

    本文首先介紹了turbo碼的背景知識，包括差錯控制的基本原理、分組碼和卷積碼；然後闡述了turbo碼的基本原理，包括turbo編譯碼器結構及迭代譯碼原理；較為詳細地描述了關鍵的譯碼演算法： ?種改進的最大后驗概率（ map ）譯碼演算法及迭代譯碼演算法；提出了一種新的turbo碼結構：混合turbo碼（混合級聯卷積碼） ；並用編碼性能聯合界分析方法對混合turbo碼進行了性能分析，得出了其平均性能上界；並在高斯白噪聲通道和瑞利衰落通道上分別作了一些應用研究及計算機模擬實驗。
  3. Monotone iteration method and upper and lower solutions were used to approach to the solution of the first - order integral boundary value problem on time scales form below and above by monotone convergent sequence

    摘要運用單調迭代方法和上下解方法構造了兩個單調序列，從上下兩個方向分別收斂到一階積分邊值問題。
  4. In this method the stress resultants of concrete in the cross section are evaluated by accurate integrating method and the resultants of structural steel and reinforcing bars are obtained using the fiber element method. the final nonlinear algebraic equations are solved using an iterative quasi - newton procedure based on the regula - falsi numerical scheme

    應用該計算機方法，截面上的混凝土內力採用精確的積分方法求得，結構鋼與鋼筋的內力則由纖維元方法計算，而最終的非線性代數方程組由分離變量的擬newton - raphson迭代方法求解。
  5. With the numerical iteration method we use the hnc integral equations to calculate the direct correlation function c ( r, t, p ) and the total correlation function h ( r, t, p ) in a soft - sphere ionic fluid which something like the system of the alkali - metal salts

    我們採用迭代方法用超網鏈積分方程組計算了一種類似於堿金屬鹽的軟球離子液體系統的直接關聯函數c （ （ ? ） ， t ， ）和總關聯函數h （ （ ? ） ， t ， ） 。
  6. And lager step size could be used in the integral process. based on the gear method and the differential - algebraic equation simultaneous solution method, the newton iteration formula is derived in this thesis

    本文根據電力系統全過程動態模擬軟體的基本積分方法（ gear法）和微分一代數方程聯立求解法，構造了gear法聯立求解微分方程組和代數方程組的牛頓迭代公式。
  7. By successful solution of non - linear magnetic fields and revision of the program, we can reach following conclusions : in the computation of nonlinear magnetic fields, if iteration method is used, under - relaxation is necessary when amending the permeability distribution in soft magnetic materials ; and when < wp = 5 > calculating the equivalent current density in permanent magnets, under - relaxation is not a necessity ; when searching for permeability values by interpolation method on the demagnetization curve of soft magnetic materials, if a fixed saturation point is set, around this point an abrupt change of permeability values will be obtained ; this sudden change may cause a little problem in the smoothness of magnetic field distribution ; because the magnetic circuits of microwave tubes are too complicated, in the author ' s view, to describe the working state of a magnet system, the working points of magnets can not do it properly but average energy production of magnets will serve ; as to indicate the quality of a magnet system design for microwave tubes, the efficiency of magnetic energy utilization will be a very good criterion

    由此得出結論，在非線性磁場計算中：採用迭代法的情況下，在各迭代循環之間進行磁導率修正時，一個欠鬆弛迭代過程是必需的；對永磁體中的等效電流修正時可以不作欠鬆弛迭代；在純鐵的磁化曲線上指定某一個固定的磁感應強度為磁飽和值，會使得插值求出的磁導率在該磁飽和值附近有一突變，這一突變對計算結果中磁場分佈變化的光滑性稍有影響。在微波管磁系統設計中，由於微波管磁路比較復雜，作者認為磁體的工作點並不能很好地反映磁體的工作狀態，而採用平均磁能積為衡量磁體工作狀態的標準更加符合微波管磁系統的實際情況；要表示磁系統設計好壞的程度，則用磁能利用的效率為標準更好。
  8. Explicit iterated integral formulae of the moments in various order of the hitting times of geodesic spheres by brownian motions on rotationally symmetric manifolds are given in this paper

    摘要主要給出了旋轉對稱流形上布朗運動關于測地球面的首中時、球殼的首出時的各階矩的迭代積分公式。
  9. The main conclusions are following : ( 1 ) compared with the conventional mlc, the method of iterative prior probability based on the vector map can dispel the prior probability ’ s influence and the overall accuracy and kappa index can be improved ; ( 2 ) to the types with greater area than average area of all types, the producer ’ s accuracy will be improved while user ’ s accuracy be lessened, but to the ones with smaller area, the situation is just the opposite

    本研究的主要結論是: （ 1 ）與傳統的最大似然法分類相比，利用地理數據矢量化得到的先驗概率進行迭代，可進一步消除先驗概率對最大似然分類法分類結果的影響，使分類總精度和kappa指數有進一步提高; （ 2 ）分佈面積大於平均值的類別，生產者精度一般會變高，使用者精度會變低;分佈面積小於平均值的類別，生產者精度一般會變低，使用者精度會變高。
  10. The highly precise direct integration scheme is used for solving modal dynamic differential equation of the structure and a dynamic load identification method by the modal respondence is proposed

    採用無條件穩定的精細逐步積分法求解結構的模態動力學微分方程，構造了通過結構的模態響應直接反求荷載列陣的迭代演算法。
  11. The unknown source strength of cavitation is always arranged on the propeller blade surface in the solving process, but the integration is carried out along the cavity surface of last iterative step when the strength of cavitation dipole is determined according to dynamic condition

    求解過程中待求的空泡源強始終布置在槳葉表面上，而在根據動力學條件求解每一步的空泡麵元偶極子強度時，積分是沿著上一步迭代確定的空泡表面進行的。
  12. Firstly, the integral - differential equation described the radiation field evolution is derived, and then the instability of its solution is also investigated analytically. by using the perturbation and iteration method, the threshold detuning and threshold linear growth rate of the unstable solution are analyzed and discussed in detail

    首先，建立了一個描述輻射場演化的積分一微分方程，解析分析了系統解的不穩定性，並採用線性方程解的微擾迭代方法進一步對系統不穩定解出現的失諧量閾值和線性增長率閾值等作了詳細討論。
  13. The boundary integral equation for elasticity is derived through the general green ’ s formula and the corresponding fundamental solution. the paper represents the contact conditions, which are essential for the coupling of the boundary integral equations of the two different elastic contact bodies, in a local coordinate system properly chosen

    利用廣義格林公式和基本解得出彈性問題的邊界積分方程，採用循環迭代的方法，通過尋求與接觸條件相協調的接觸邊界位移及面力增量來確定接觸區域的大小。
  14. 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。
  15. The paper puts forward an iterative process to searching for the contacted zone and the distribution of contact force, in the case of the outer loading has been known. the regularization algorithm is used to evaluate the mechanical parameters of the near - boundary points in contact bodies

    列出了運用邊界元法解決靜態接觸問題的基本算式，設計了根據已知外部載荷來搜索接觸長度和接觸壓力分佈的迭代搜索方法，運用幾乎奇異積分的正則化演算法，求解了接觸體內近邊界點的力學參量。
  16. An incrementally - iterative algorithm with constant stiffness, which combines step - by - step time integration scheme with unbalanced load transfer method, is employed in numerically implementing of the proposed constitutive model

    在模型本構關系的數值實施中，採用將時域逐步積分格式與不平衡荷載轉移法相結合的增量?常剛度迭代演算法。
  17. The spatial member - story model is adopted as the dynamic analysis model for base - isolated structures by considering the isolation device as a special element, the dynamical equation is established, time - history analysis is conducted by step - by - step integration and iteration methods, and program of dynamic analysis on base - isolated structures ( dabis ) which can be used for analysis on multi - dimensional and lateral - torsional coupled seismic response of base - isolated structures is worked out

    將隔震裝置作為特殊單元，採用空間桿系?層模型作為基礎隔震結構動力分析模型，建立其運動方程，採用逐步積分法和迭代法進行時程反應分析，編制了可進行基礎隔震結構多維及平?扭耦聯地震反應分析的基礎隔震結構動力分析程序dabis 。
  18. An iterative receiver is introduced for convolutionally coded distributed mimo with v - blast architecture. a maximum - likelihood ( ml ) iterative detector and a low - complexity turbo detection scheme are proposed. the computational complexity is o ~ ( m _ tslogm ) and o ( m _ t ~ 2m _ r ~ 2s ~ 2m ) respectively

    在考慮大尺度衰落和小尺度衰落的通道條件下，針對通道碼為卷積碼的v - blast類分散式mimo / ofdm系統，設計了發射機結構及其迭代接收方案。
  19. In view of characteristics of seismic data of gobi - sand dune areas, this paper, through various data - processing means such as quality control, high - pass filltering, dip angle filltering, field static correction, surface consistency deconvolution, precise velocity analysis, denoising before stack, multiple iterative operation of residual static correction, denoising after stack and modification after shift, has raised the data quality of seismic profiles in low signal - to - noise ratio areas and managed to form the seismic data - processing technique for such complex areas as gobi, foreland and dune

    摘要針對戈壁、沙丘地區地震資料的特點，通過對原始資料進行質量控制、高通濾波、傾角濾波、野外靜校正、地表一致性反褶積、精細速度分析、疊前去噪、剩餘靜校正多次迭代、疊後去噪和偏後修飾等處理，提高了低信噪比地區地震剖面的資料質量，摸索出了一套戈壁、山前、沙丘等復雜地區地震資料處理技術。
  20. A direct iteration method in solving normal equations by means of bidirectional asynchronous integral has been successfully exploited, so that it can efficiently overcome the difficulty in solving two - point boundary value problems resulting from inverse stability between state equation and co - state equation

    文中提出雙向異步積分迭代求解正則方程組的直接迭代法，較好解決了狀態方程和協態方程穩定性相逆給求解兩點邊值問題帶來的困難。
分享友人
分享到 Line

分享到臉書