chebyshev polynomial造句
例句與造句
- A channel estimation method employing chebyshev polynomials
多項式進行信道估計的方法 - Subspace iteration accelerated by using chebyshev polynomials
多項式加速的子空間迭代法 - Predictor based on chebyshev polynomials for lifting scheme
一種擬合型的提升小波預(yù)測方法 - Some identical relations about the sum of chebyshev polynomials product
二類切比雪夫多項式積和的幾個組合恒等式 - Several relations between chebyshev polynomials of the first and second kind
有關(guān)兩類切比雪夫多項式的幾個關(guān)系式 - It's difficult to find chebyshev polynomial in a sentence. 用chebyshev polynomial造句挺難的
- Sum of the absolute value of chebyshev polynomial coefficients and its properties
契貝謝夫多項式系數(shù)的絕對值和及其性質(zhì) - Fem with absorbing boundary condition and expansion of discrete chebyshev polynomials for inverse problem of elastic waves
基于吸收邊界條件的有限元方法和離散切比雪夫展開的二維缺陷識別 - The output power of the one - seven power divider was accorded with the coefficient of the chebyshev polynomial . the output phase of the divider was almost the same
七路不等分功分器輸出的電流幅度按7次切比雪夫多項式系數(shù)分布,各口輸出相位基本一致。 - In order to accelerate the convergence rate , we improve the original method with chebyshev polynomials and preconditioning techniques , and present two new algorithms
為了加速子空間迭代法的收斂性，我們應(yīng)用chebyshev多項式與預(yù)處理技術(shù)，得到了兩個新的改進算法。 - Our numerical results show that the accelerated subspace iteration method by using chebyshev polynomials and the preconditioning subspace iteration method are superior to the original subspace iteration method
數(shù)值試驗結(jié)果表明用chebyshev多項式與預(yù)處理技術(shù)加速的子空間迭代法比原始子空間迭代法優(yōu)越。 - We also obtain some identities involving two kinds of chebyshev polynomials which generalized a result of grabner and prodinger in more general setting containing melham ' s conjecture as a special case
此外還建立了涉及兩類chebyshev多項式的恒等式，證明了melham的一個猜想，推廣了grabner和prodinger的一個結(jié)果。 - In this paper , dynamic response of parametrically excited flexible cam - follower system on universal condition is investigated by using the method of the expansion of the system equation based on chebyshev polynomials . the state vector and the periodic matrix of the system are expanded in terms of chebyshev polynomials over the principal period at first
為研究了凸輪和從動件之間的含間隙的凸輪系統(tǒng)模型的動力學(xué)響應(yīng)，本文使用了兩類諧波平衡法：解析諧波平衡法和dft數(shù)值諧波平衡法，對該系統(tǒng)模型進行簡化。 - We also review parallel computing model , parallel programming model and the software engineering for numerical applications . ( 2 ) on spectral element method and parallel computing of 2 - d spectral element shallow water model i ) we put forward a hybrid - local - basis theorem , and give two kinds of local basis schemes fitting for both the chebyshev polynomials and the legendre case
( 2 )關(guān)于譜元素方法及兩維半隱譜元素淺水波模式的并行計算? )依據(jù)切比契夫多項式和勒讓德多項式的計算特點，提出了一個混合局部基函數(shù)預(yù)備定理，給出了兩類混合局部基譜元素格式。 - First of all , the algorithm base on the boundary problem of helmholtz equation and finite - difference technique , calculate the field in “ cold ” cavity and disperse the helmholtz equation , as a result of the formula : ax = x . secondly , according to the eigenvalue of matrix theory and applied iterative methods , eigenmode adopt a numerical approach which allows the improved chebyshev polynomial iteration which based on the power method to extract the isolated eigenmode in the spectrum . finally , we resolve the problem of compatibility in software and insert the eigenmode module into the chipic which will have the function of eigenmode analysis
具體的說: ( 1 )首先以電磁理論中的亥姆霍茲方程的邊值問題理論和計算電磁學(xué)中的有限差分法為基礎(chǔ),計算冷腔中的場分布并離散亥姆霍茲方程,得到標準的本征值問題: ax = x ; ( 2 )然后根據(jù)矩陣理論中的eigenvalue問題和數(shù)值計算中的迭代方法,采用改進后的chebyshev多項式,在power迭代法的基礎(chǔ)上對ax = x進行多項式迭代,實現(xiàn)對頻譜中孤立本征模的萃取; ( 3 )最后將用fortran語言編制的eigenmode模塊加入到chipic軟件中,解決了eigenmode模塊與chipic主代碼的兼容問題,從而實現(xiàn)了chipic軟件的模式分析功能。 - The author ' s work gives new way , which is beneficial to real time interaction and can efficiently reduce computing time as well as data storage amount . these algorithms can find good use in numerical machining , robotics , form - position tolerance and computer graphics . ( 3 ) degree reduction for nurbs curves and surfaces by applying the theory of the best uniform approximation of chebyshev polynomials and the explicit matrix representation of nurbs curves , this thesis centers on the research of the explicit nearly best approximation of multi - degree reduction of nurbs curves
以上關(guān)于等距曲線的幾何逼近與代數(shù)逼近的算法改革了當前國際圖形界只能對基曲線沿法矢方向平移定距離的點作近似逼近的固定模式，創(chuàng)造了利于交互操作，能有效地減少計算量及數(shù)據(jù)存儲量的新方法，可在數(shù)控加工、浙江大學(xué)碩士學(xué)位論文機器人、形位公差學(xué)、計算機圖形學(xué)中獲得很好的應(yīng)用( 3 ) nurbs曲線曲面降階應(yīng)用nurbs曲線的顯式矩陣表示及chebyshev多項式逼近理論，以實現(xiàn)nurbs曲線顯式一次性降多階的近似最佳逼近為目標進行了研究
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