迭代模擬 的英文怎麼說

中文拼音 [diědàimónǐ]
迭代模擬 英文
iterative modeling
  • 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...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production

    本文展開研究並取得一定成效：構建了基於pci總線的微機實時圖像採集系統；在採集的布料總圖（鳥瞰圖）的基礎上，通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理，提取布料圖像的邊緣，對輪廓的矢量化的象素點進行搜索，得到相應的圖案矢量圖，從而確定絎縫的加工軌跡，生成加工指令；在進給加工過程中，主計算機對動態局部圖像與總圖（鳥瞰圖）的對應部分進行圖像相關的匹配計算，應用數字圖像理論，結合神經網路計算的改進最速下降法和模擬退火演算法，提出獨特而有效的相關迭代初始值賦值方法，形成穩定、高速和準確的相關運算，實現單針絎縫視覺測量和自動控制。
  2. 3. developed simply and practical fluid network algorithm for large - scale of pipe networks, such as air - gas system and powder manufacture system. iterative computation used in this algorithm is not only astringing quickly and numerical calculating steadily but also cater the required ratio of precision and guarantee the real - time and any performance simulation of fluid network

    3 、本文對風煙系統和制粉系統等大型管網，建立了簡單實用的流體網路模型演算法，此法在迭代計算中，不僅可以快速收斂和數值計算穩定，而且滿足一定的模擬精度，較好的保證了流體網路的全工況實時模擬。
  3. Compared with straight ray tracing, inversion of bending ray tracing is better when data of test are accurate. on the other hand, natural weight is introduced and numerical simulations and experiments of wlm on inversion of velocity and attenuation are also made, which show that wlm, with resistance of noises and convergence of iteration, may get good re - construction images

    本文引入了物理意義明確的自然權，對基於自然權的加權阻尼最小二乘反演演算法（ wlm ）在速度反演、衰減反演中進行了數值模擬和試驗研究，結果表明wlm均能獲得良好的重建圖像，迭代收斂，抗噪能力強。
  4. The least square estimation in linear model is used to derive the two - stage estimation of the item parameter vector 1 of j th item as follows : noting that xj consists of the nuisance parameters s, j, j, were updated so that the estimation of 6 s could be renewed

    修正進而修正x _ j和，從而形成一種新的估計方法?雙重兩步迭代估計蒙特卡洛模擬結果顯示，雙重兩步迭代估計提高了估計對真值的恢復能力。
  5. 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。
  6. Based on the simulation system software, navigation and guidance real - time digital simulation system are developed to simulate the whole real - time flight control and guidance process

    本文利用vpm平臺，建立運載火箭迭代制導系統的導航和導引模型，形成模塊化的數字模擬系統。
  7. 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（收斂至1 10 - 18角秒） ，花費機時28分47秒，與未進行系數調整相比，功效提高40多倍。
  8. 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。
  9. A further study of the dynamic weighing and batching process is made and an iteration self - learning control method is used to dynamic weighing and batching process control. the simulation tests are made and satisfied performances are reached. 4

    對動態稱量配料的受控過程作了進一步的研究，將迭代自學習的控制方法應用於動態稱量配料過程式控制制，進行了控制系統的設計和計算機模擬實驗研究。
  10. By picking up actual load on road of car body, use the electro - hydraulic servo road simulating system and the remote parameter cantrol system to iterate, take the iterating control target as an accelerated speed signal of spindle nose, iterate separately the loading spectrums on different road surfaces and finally merge the iterated results to obtain the loading spectrums for tests in the test bench

    通過對轎車車身實際道路載荷的採集，採用電液伺服道路模擬系統和遠程參數控制系統進行迭代（迭代控制目標為軸頭加速度信號，對不同路面的載荷譜分別進行迭代，最後將迭代的結果合併） ，得到用於臺架試驗的加載譜。
  11. Abstract : based on the iterative bit - filling procedure, a computationally efficient bit and power allocation algorithm is presented. the algorithm improves the conventional bit - filling algorithms by maintaining only a subset of subcarriers for computation in each iteration, which reduces the complexity without any performance degradation. moreover, a modified algorithm with even lower complexity is developed, and equal power allocation is introduced as an initial allocation to accelerate its convergence. simulation results show that the modified algorithm achieves a considerable complexity reduction while causing only a minor drop in performance

    文摘:基於迭代的比特和功率分配機制，提出了一種低復雜度的比特和功率分配演算法.與傳統的迭代分配演算法不同，該演算法在每次迭代中只需要比較幾個特定的子載波.該方法在保持傳統迭代演算法性能的前提下極大地減小了迭代分配演算法的復雜度.此外，通過選擇等功率分配方案作為初始方案加快了演算法的收斂速度，進一步降低了演算法復雜度.模擬結果表明，提出的改進演算法在基本不犧牲系統性能的前提下有效地降低了演算法復雜度
  12. This paper employs the dynamic - static force principle to simplify the mathematical models, and employs the virtual - displacement principle and adopts the sor digital algorism to extract the dynamical performances. the solutions extracted is coincidental with the practical situations

    本論文應用了達朗貝爾原理簡化數學模型，並應用虛位移原理和sor迭代法求解機構的動力特性，求得的模擬曲線與實際情況比較吻合。
  13. Due to the incompleteness of model library and uncertainty of modeling knowledge, qualitative compositional modeling is a process of " generate and test " during which the composed model must be modified and improved. there are two separate sub - tasks about cm, model composition and model simulation, which communicate with each other through qualitative differential equations ( qde )

    定性模型的特點，決定了定性組合建模是一個需要重復調整和完善的迭代過程，建模與模擬是通過定性微分方程相關聯的兩個子任務，建模是模擬的基礎，模擬是對建模結果的檢驗。
  14. The detail is clarified as follows : l ) based on the chaotic technology and contemporary encryption approach the paper put forward a new chaotic sequence, which introduced the m - sequence and the method of shrink key - the stream generator. the complexity of the sequence was promoted as the random alteration of the parameters of chaotic mapping, and at the same time, the shrinking key was used to enhance the security further more ; 2 ) the performance of one - way hash function was improved and new hash function construction methods are proposed through a novel hash method based on chaotic mapping and the aes - the rijndael algorithm. the algorithm of hashing messages of arbitrary length into 256 bits hash values was designed

    按照這種方法，輸出序列的周期性得以大大提高，理論分析和計算機模擬結果表明，該方法可以產生具有良好統計特性的密鑰流，而且易於軟硬體實現： 2 ）實現了一種基於混沌映射和分組密碼rijndael演算法的單向hash函數的構造方法，即使用logistic混沌映射產生混沌二值序列，序列的分組與明文序列分組進行按位異或后，進入rijndael加密模塊，所得的結果再加入到反饋端，參與下一分組輸入的異或運算，迭代結束時的rijndael加密結果即為所求的hash函數值。
  15. Especially, to solve the functional heated calculation, which is the core work of boiler project analysis, the dissertation contributes a sequential modular iterative algorithm by referring to the theory of process system simulation

    其中，本文基於過程系統模擬理論，對鍋爐方案分析活動中最為重要的功能性熱力計算提出了一種序貫模塊迭代的新演算法。
  16. 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。
  17. Genetic algorithm ( ga ) is a set of new - global - optimistic search algorithm repeatedly which simulate the process of creature evolution that of darwinian ' s genetic selection and natural elimination

    遺傳演算法是模擬達爾文的遺傳選擇和自然淘汰的生物進化過程的一種新的迭代的全局優化搜索演算法，已經廣泛地應用到組合優化問題求解、自適應控制、規劃設計、機器學習和人工生命等領域。
  18. 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。
  19. Utilizeing the iterative approach to improve the density of anchor nodes gradually, and taking advantage of the concept of dv routing, a novel distributed, hop - by - hop, simple positioning algorithm, referred to as hop - euclidean, is presented and simulated. the results show that it has the good positioning accuracy and coverage 4

    3 、以euclidean演算法為基礎，融入距離矢量路由和迭代循環的思想，設計出一種新的定位演算法，稱為hop - euclidean ，對其核心思想和演算法進行討論，並進行模擬驗證。
  20. Through a large amount of research, exploration, analysis and comparison, iterative classification method of solving the equation, the statistical method of dividing the period of calculating time and its key technology are put forward. the difficulties in computer simulation of multi - curve fitting are solved well

    經過大量的研究、探索、分析、比較，提出了方程的迭代分類法和推流時段劃分的統計方法及其關鍵技術，很好地解決了計算機模擬多曲線的難點，具有一定的創新和突破。
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