逼近度 的英文怎麼說

中文拼音 [bījìndù]
逼近度 英文
approach
  • 逼 : Ⅰ動詞1 （逼迫; 給人以威脅） compel; force; drive; threaten 2 （強迫索取） extort; exert pressure ...
  • 近 : Ⅰ形容詞1 （空間或時間距離短） near; close 2 （接近） approaching; approximately; close to 3 （親...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 逼近 : 1 （靠近 接近） press on towards; gain on [upon]; approach; crowd on; close in on; draw near 2 [...
  1. The successive approximation converter is of medium speed, and average resolution.

    逐次逼近式轉換器具有中等的速度和解析度。
  2. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多阻尼比反應譜擬合問題；本文方法通過一次運行就能獲得一組具有集系特性的地震動，在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢，產生的人造波或人造波集系可滿足工程抗震設計需要；在遺傳演算法中，交叉概率和變異概率是影響收斂速度的重要參數，本文採用的改進自適應交叉概率和變異概率，可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率，以保證演算法始終以較好的速度向pareto最優解集逼近。
  3. A new learning algorithm of the continue wavelet networks parameters is proposed, that is, hybrid parameters learning algorithm. the parameters of wavelet networks are divided into two parts, and different methods are used to training them. compare to the traditional parameters learning method, the new method proposed in this paper has the advantages of rapid convergence speed and high approximation capability

    提出了連續小波網路的混和參數訓練方法，將小波網路參數分為小波系數和網路權值兩部分，對這兩部分參數分別採用不同的方法進行訓練，這一新的訓練方法相對于傳統的小波網路參數訓練方法來說具有收斂速度快，逼近精度高等優點。
  4. Therefore, to find the suboptimum detection schemes which have low complexity as well as good performance close to mld is the main problem of mimo signal detection

    因此，低復雜度、逼近mld性能的次優信號檢測演算法一直是mimo信號檢測所要解決的問題。
  5. Except for method of spline interpolation, mra method are used to resolve numerical approximation problems, too

    除了應用樣條函數插值方法外，解決數值逼近問題還可以採用小波分析中多尺度分析的方法。
  6. A space navigator wishes to determine his velocity of approach as he nears the moon.

    一個宇宙飛行員希望確定出他接近月球時的逼近速度。
  7. Maximum - norm superapproximation of the gradient for the tensor - product quadratic rectangular parallelepiped finite element

    張量積二次長方體有限元梯度最大模的超逼近
  8. In chapter five, the research work focus on color gamut transform correction in panel display. a method of color gamut transform correction which introduces the concept of virtual gamut space is presented to solve the problem of luminance and chromic disuniformity which arises from the differentia of chromic and drive characteristics of each module or pix on the same display panel. and the high quality of image displayed on the panel is ensured

    提出了克服同一種平板顯示屏由於各個顯示模塊（顯示象素）的色度空間特性和中國科學院長春光學精密機械與物理研究所博十學位論文基十擬合逼近理論的平板圖像顯示技術研究基色驅動顯示特性的差異而造成的平板顯示屏色度和亮度分佈不均的有效方法，解決了平板顯示屏的全屏幕亮度、色度一致化的問題，保證了高質量視頻圖像的顯示。
  9. Then a high - degree geometric continuity blending surface is obtained with transfinite interpolate method. ( e ) g3 blending surface with approximation can be constructed by lofting if geometric invariant errors are given, the surface can be converted to b - spline, nurbs form for the purpose of system aggregation

    最後，為滿足曲面造型系統集成的需要，在保證曲率、曲率導數和撓率精度情況下，將上述研究結果應用於曲面放樣逼近方法，得到參數過渡曲面轉換成b樣條曲面或nurbs曲面的形式。
  10. In the following part, we define a couple of new approximate operators and a couple of corresponding new approximate measure operators, in this way, inner measure belief function and lower probability all can be considered as the particular cases of this lower approximate measure

    通過定義一對新的逼近運算元以及相應的一對逼近測度，使內測度、信任函數、隨機集上的下概率均可表示為此下逼近測度結構下的一種特例。
  11. The hydrauli c model of gradual dike - break simulates numerically the 2 - d flow of gradual dike - break waves. it shows the variation of flow field on breach, and the complicated flow characteristic of the propagation, diffraction, reflection and deformation of the dike - break waves. the hydraulic model can realistically simulate the burst process of dike, and computational accuracy is satisfied with the engineering demands

    本文建立逐漸潰堤的水力模型首次對二維逐漸潰堤波的流動問題進行了數值研究，揭示了逐漸潰堤過程中潰口處流場的變化情況，以及潰堤波的傳播、繞射、反射及變形的復雜運動特徵，能較好地模擬實際工程中的潰堤失事，模擬比較逼近於真實潰決過程，計算精度可滿足工程要求。
  12. Some sufficient and necessary conditions for the multi - step iterative sequences of the asymptotically quasi - nonexpansive mappings ti to converge to certain common fixed points in the convex metric space are obtained

    摘要研究了凸度量空間中用多步迭代序列來逼近漸近非擴張映象的不動點，並給出了其收斂于不動點的充分必要條件。
  13. The tsf method combines efficiently llsf and tri - cubic spline interpolation, learns from others " strong points to offset one ' s weaknesses, so has rapidity and high accuracy of computation and is suitable for contour surface drawing in real - time. 3

    該方法綜合多元樣條擬合法與局部加權最小二乘法，揚長避短，不僅保證了逼近精度，提高了計算速度，而且加密計算的結果可直接應用於等位面的實時顯示。
  14. ( 2 ) offset approximation for bezier curves the problem of parametric speed approximation of a curve is raised. the author points out that the crux of offset curve approximation lies in the approximation of parametric speed

    （ 2 ）等距曲線逼近（ offset ）提出了曲線參數速度逼近問題，指出等距曲線逼近問題的關鍵在於參數速度的逼近
  15. In chapter two, we consider full disceret scheme of mixed finite element methods for the following initial - value problems of linear integro - differential equations of parabolic in this chapter, we give the error analysis of this full discrete scheme and get optimal error estimates for the discrete solutions of u and p

    第二章討論下述線性拋物型積分微分方程初邊值問題混合有限元方法的后差全離散格式。給出了該全離散格式的誤差分析，得到了離散解逼近未知函數u以及伴隨速度p的關于空間和時間的最優階誤差估計。
  16. Cascaded low - density erasure codes are based on sparse random bipartite graphs. very efficient linear time encoding and erasure recover algorithms with the arbitrarily near erasure channel capacity performance of the codes with respect to the algorithms have made them one of the most optimal coding techniques up to now

    基於稀疏隨機二部圖的級聯型低密度糾刪碼因其線性時間的編譯碼演算法和可任意逼近刪除通道容量限而成為目前最佳編碼技術之一。
  17. And by far, most theories of wavelet analysis are established in, but this method is rare to be known and exists defects in the reproducing kernel space with good properties. then in the reproducing kernel space, isometric isomorphism of relation is founded between and by differential operator. and starting from the haar basis, multi - resolution analysis inis gived by folding method ; then multi - resolution analysis and orthonormal wavelet in are obtained through integral transform from to. then the reproducing kernel space can be expressed by wavelet spaces

    於是，在再生核空間中，利用積分運算元建立了空間與hilbert空間的等距同構關系；並且從haar小波出發，由折疊法實現的空間中多尺度分析通過積分變換得到中多尺度分析和正交小波，使得再生核空間可以由小波空間來刻劃；從而對空間中的函數，給出了小波逼近具體表達式和相應的采樣公式，形式簡單易於數值分析。
  18. Color image is the best approach to the world, as there are more advantages in color image processing than in gray - level image

    在各種光學圖像中，彩色圖像是對外部客觀世界的最為逼近的描述，因此相比灰度圖像來說，對彩色圖像的處理可以獲得更大的信息量。
  19. The second part has summarized from the one - dimension and multivariate respects the abundant approximation properties of bernstein polynomials, mainly including the estimation of approximation degree, derivative approximation, linear combination approximation and weighted approximation

    第二部分從一元和多元兩個方面系統總結了bernstein運算元豐富的逼近性質，主要包括逼近度估計、導數逼近、線性組合逼近和加權逼近等
  20. The artificial neural net ( ann ) way is universal regard as one of the most effective ways of stlf. in this paper, some research is developed for stlf using ann ways in several parts : the first part is about the arithmetic of ann based on bp model, namely the advanced of traditional bp arithmetic, one alterable step and scale bp arithmetic based on comparability of model and probability of accepting bp arithmetic is used to enhances a lot the convergence rate of learning process of bp network, but also avoid the stagnation problem to some extent. it indicates that the ann ' s efficiency and precision by the way can be ameliorated by the simulation of real data

    神經網路方法在短期預測中已經被公認為較有效的方法，本文針對神經網路用於電力系統短期負荷預測的幾個方面展開研究工作：第一部分研究一般用於負荷預測的神經網路bp模型的演算法，即對傳統的bp演算法的改進，將一種基於模式逼近度和接受概率的變步長快速bp演算法應用到短期負荷預測，模擬結果表明該方法有效的改善了bp演算法收斂速度慢以及容易陷入局部最小點的缺點，從而提高了神經網路用於負荷預測的效率和精度。
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