重迭系數 的英文怎麼說

中文拼音 [zhòngdiěshǔ]
重迭系數 英文
overlacoefficient
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ動詞(輪流; 替換) alternate; change Ⅱ副詞1 (屢次) repeatedly; again and again 2 (及) in tim...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Through ( multi - level ) bordered block partition of the power system topology matrix, a bbdf coefficient matrix which is suitable for above decomposition is formed. when the equation is solved with parallel iterative method, convergence acceleration is achieved through damping newton method

    通過採用(多)對角加邊的方法進行電力網路拓撲分割,以形成適合以上分解法求解的對角加邊形式的矩陣,并行求解后並對代過程進行阻尼牛頓法修正,以達到加速收斂的作用。
  2. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標下的拋物化穩定性方程,文中發展了求解的高效值方法:引進法向變換,使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式,這對方程精確離散至關要;採用全局法和局部法相結合的方法及其新的代公式,大大加速收斂並得到更精確的特徵值。
  3. In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery

    魚眼鏡頭成像立體視覺統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角(接近180 ) ,但同時也引入嚴的圖像變形,常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺統的方法.在魚眼鏡頭變形模型的基礎上,通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形,建立了魚眼鏡頭成像的精確成像模型,然後,利用非線性代演算法,精確求解攝像機外部參、內部參.實驗表明,使用該方法得到的立體視覺統參滿足精確恢復大場景稠密深度圖的要求
  4. Aim at ubiquitous parallel multi - reservoir structure in our country ' s basin, the universal objective function including coefficient bi embodying a spatial significance difference at different flood control points and variable ai denoting a selection of scheduling mode is established, which provide a valid intervenor interface for flood control consultation decision. according to the real - time requirement, a model of reservoir storage allocation is proposed, which embody basic idea of phasic compensation. passing the dynamic correction to cut down the disadvantageous influence that indetermination result in on the certain degree, joining together the step alternation solving method, this model can maximally consider bias of decision makers, ensure the rationality and practicability of the solutions

    針對我國流域中普遍存在的並聯庫群結構,論文提出包含不同防洪點要性的_ i和選擇調度模式的變量_ i的通用目標函,為防洪會商決策,提供了有效的人工干預介面,根據實時性要求提出動態分配防洪庫容的庫容分配方法,體現了相機補償的基本思想,通過動態修正在一定程度上可以削減不確定性造成的不利影響,結合分步代求解技術,能最大限度體現決策者的偏好,保障解的合理性和可操作性。
  5. As a model, spline interpolation on a uniform tetrahedral partition was used, and the spline coefficients were repeated by the gridded samples

    該模型以樣條基函為背景,則由周圍采樣點代產生。
  6. In some time - critical situation, continuous ssi is computation bottleneck of some solid modeling system. conventional approach for solving continuous ssi often uses intersection algorithm iteratively without taking the characteristic of the surface into account to simplify computation. the dissertation analyzes the intersect curve structure of continue surface, from the point of intersect curve ' s evolution, it describes the relationship between topology of offset surface intersect curve and topology transmit point ( ttp )

    等距曲面和運動曲面在cad cam領域中有著要的應用,在一些時間敏感場合例如控加工動態模擬,等距曲面和運動曲面等連續變化曲面求交運算已成為這些統的計算瓶頸,連續變化曲面求交問題的通常解法是採用曲面求交演算法反復代計算交線,沒有考慮連續變化曲面交線之間的相似性進行求交簡化,效率上一直不能有很大的提高。
  7. Frequency response, quantization noise, reconstruction error and its sensitivity to mismatch among adcs are studied at length in prqmf banks adc system, and the theoretic results include : ( 1 ) the distortion / aliasing functions of hybrid filter banks adc system is similar with that of switch capacitor filter banks adc system ; ( 2 ) for wide or narrow band input signal, the effective resolution of the two adc systems is 0. 51og2m bits higher than their adc ; ( 3 ) reconstruction error ' s sensitivity to mismatch among adcs of the two adc systems is reduced effectively than time interleaved adc system

    2對prqmf濾波器組adc統的頻響、量化噪聲特性、建誤差特性以及建誤差對adc間的失配敏感性進行了理論分析研究,所得到的理論結果為: ( 1 )混合濾波器組adc統與開關電容濾波器組adc統的失真/混一致; ( 2 )無論輸入寬帶還是窄帶信號,這兩種adc統的有效解析度均比其adc提高了0 . 5log _ 2m比特; ( 3 )這兩種adc統的建誤差對其adc間的失配敏感性均明顯低於時間交織adc統。
  8. Focusing on the problem of sound field of scattering due to the existence of tubes, the general mathematical model modeled according the condition of plant, and then the coefficient of sound scattering is resolved by using the method of inverse matrix, the functions of arbitrary configuration of tubes is got, the far field scattered pressure and near field scattered intensity of the unit of heat exchanger tubes is calculated, at last, the effect of soot cleaning due to the existence is analyzed

    論文根據爐內管束的實際情況,建立換熱器管束聲波散射的通用學模型,利用加原理法求解模型中的待定散射作用,得出任意布置管束的散射聲場特性,並具體計算鍋爐換熱器管束單元聲波散射遠場聲壓分佈和近場壁面的聲強分佈,最後分析由於聲波的多散射作用而對聲波吹灰的影響。
  9. Calibration typically entails an iterative process that computes coefficients such that the gravity model replicates the trip length frequency distribution and matches base year productions and / or attractions

    典型的校準在計算中通常有一個代過程,好像力模型復制了出行距離頻分佈,同時匹配基年發生和吸引。
  10. It combines the real echoes with the date simulated using the real airborne sar system parameters to analyze and validate the method. after the combined data are filtered, the improved greatest of cell - average constant - false - alarm - rate ( go - ca - cfar ) is used to judge whether moving target is detected or not. in the following, real moving target is detected and its velocity and position is gained through which it is focused well

    將接收的實際場景據與實際統參下模擬的典型據相結合,分析、驗證了頻域濾波法的性能,並對濾波后的據採用改進的選大單元平均恆虛警率( go - ca - cfar )方法進行處理,判斷動目標是否存在;然後對實際的動目標進行檢測,準確的估計出目標速度及位置並對目標新聚焦成像,接下來將聚焦的動目標圖像和常規sar圖像加,同時得到了回到真實位置的動目標聚焦圖像和實際場景sar圖像。
  11. On the basis of utilizing geometric conversion and modification principle of spur and helical gears, the mathematical model for geometric parameters and modification of overlapping coefficients of gear was established, and the calculation method of sliding frictional coefficients under elasto - hydrodynamic lubrication state was introduced, thus let the calculation method of meshing efficiency of gears be more coinciding with the practical application

    在運用直、斜齒輪幾何換算和變位原理的基礎上,建立齒輪的幾何參重迭系數修正的學模型,介紹了彈流潤清狀態滑動摩擦因的計算方法,從而使齒輪嚙合效率計算方法與實際應用更吻合。
  12. Based on the analysis and discussion of characteristics and law of gear engagement under condition of elasto - hydrodynamic, a calculation method on sliding and rolling work loss of standard spur gear transmission had been put forward, and the relationship of geometric parameters and overlapping coefficients of gear with sliding work loss was revealed

    摘要基於彈流潤滑狀態下的齒輪嚙合特性及規律分析和討論,提出了標準直齒傳動的滑動功損及滾動功損的計算方法,揭示了齒輪的幾何參重迭系數與滑動功損的關
  13. In the late 30 or 40 years, many scholars have a lot of studies on a seemingly unrelated regression ( sdr ) system with two linear regression models, and some important results are obtained : zellner ( 1962 ) put forward two - stage estimator ( tse ) ; based on zellner " s, lin chun - shi ( 1984 ) obtained the sufficient and necessary condition of two - stage estimator ; chen chang - hua ( 1986 ) discussed the tse and its optimalities without any condition for designed - matrix x ; ulteriorly, wang song - gui and van li - qing ( 1997 ) obtained an iteration sequence of estimator by using the covariance - improved approach ; liu jin - shan ( 1994 ), li wen and lin ju - gan ( 1997 ) generalized the covariance - improved estimator respectively

    半相依回歸統是由兩個誤差項相關的線性回歸方程組成的統。近三、四十年來,已有很多的學者對這類半相依回歸統進行了大量的研究,作出了十分要的成果: zellner ( 1962 )提出了所謂兩步估計法;在其基礎上,林春士( 1984 )得出了兩步估計的充要條件,陳昌華( 1986 )討論了對設計矩陣不作任何要求的兩步估計及其優良性;進一步地,王松貴、嚴利清( 1997 )利用協方差改進法獲得了參的一個代估計序列,劉金山( 1994 ) ,李文、林舉干( 1997 )則分別對協方差改進估計進行了推廣。
  14. To many not strictiy self - similar image, the usual fractal image compression method based on block partition divides the image into non - overlap regular shape block collection. every block ' s iterate function system is found out by local self - similarity. the parameters of all iterate function system form fractal image compression code

    這種方法將圖象劃分為規則形狀的不疊的子塊集,根據子塊的局部自相似性,找出集中每一個子塊的代函統,由全體子塊的代函統參形成分形圖象壓縮編碼。
  15. However, when the plant has uncertain parameters or the variant gain coefficient of iterative leaning control, the present method has some defects, such as lipschitz continuity of nonlinear function and the dependence of convergence analysis on actually unknown ideal input

    但當被控對象含有不確定的參代學習控制律的增益時變時,現有的方法存在很大缺陷,如要求非線性項滿足lipschitz連續性,控制律的收斂性分析依賴于實際上是未知的理想輸入,初值置問題等。
  16. In if the parameters of the friction model are unknown or unprecised, and the motor torque wave is periodic, the repeat - study control technique is used. we discuss the stable condition when introducing the technique into the system, and have a low - pass filter to ease the stable condition

    針對摩擦模型參未知或不精確的情況以及周期性的電機力矩波動,提出了復與代學習控制方法,討論了採用復控制后統的穩定性問題,並得到了相應的穩定條件。
  17. The fast spot price solution proposed in this paper introduces a decomposing model, which is benefit for analyzing each component of spot price. based on interior - point optimal power flow, which has superiority on calculating and decomposing spot prices under power market environment, after rational approximation, the coefficient matrix and its factor table of modifying equation are made constant and need no recalculation during iterations

    本文提出的快速實時電價演算法採用適于對實時電價各組成部分進行分析的分解模型,在內點法最優潮流的基礎上合理的常化其修正方程矩陣,使其在每次代時不必新計算,大大提高計算速度。
  18. Emg is also assessed with recurrence plot analysis ( rpa ), recurrence quantity analysis ( rqa ), iterated function system ( ips ) dumpiness test, singular - value decomposition ( svd ), and false nearest neighbors ( ffn )

    我們還應用現圖形分析、現定量分析、代函統成塊檢測、奇異值分解分析、虛假最小近鄰等方法對肌電信號進行了分析。
  19. This paper is devoted to seeking formulas and rules of representation for generating new fractal graphics. the main works are as followed : ( l ) construct new formulas for new fractal aspects after revisited methods for the visualisation of mandelbrot and julia sets based on ifs, we described the other new formulas originating from z z2 + c. including norton and polynomials iterated function, which have integer index instead quadratic index, we also constructed formulas with complex number index. 3 - d dynamical system is discussed then. besides the most widely used sequential visualisation methods, we designed two methods to change the original vectors and get new graphics with special effects

    在對公式指的推廣中,包括指為整的牛頓代法和多項式代法,還包括指為復代公式;在離散動力統的吸引子生成演算法討論中,將復z向高維空間推廣,點論述了生成了三維離散動力統吸引子的收斂條件,實現了此吸引子對應的三維空間向量在平面上的投影圖的條件;還討論了代前對初值點進行兩種不同變換對得到的分形圖形的影響,以及這兩種變換組合圖形的生成。
  20. ( 4 ) it does not like the traditional method to suppose a special designated model concerns between well logging and seismic data. it gains a statistics relation from a series of data training and analysis, which _ is linear relation gained from multivariate regression or nonlinear relation gained from neural net training. ( 5 ) its most important characteristic is using the thought " alternation check " to evaluate the reliability of prediction, and can be used in the optimization of seismic attribute series

    這就允許我們用到前和后地震據經過非線性變換的信息: ( 4 )它不像傳統做法那樣在測井和地震之間假設一種特定的模擬關,而是在對井點處一據訓練和分析中獲得的一個統計關,這個關是通過多元回歸獲得的線性關,或是通過神經網路訓練獲得的非線性關: ( 5 )它最要的特點是利用「交互校驗」的概念來評估預測的可靠型,並能夠用於地震屬性列的優化。
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