New approximation formula for calculation of elastic impedance in anisotropic media 一種新的各向異性彈性阻抗近似公式
The precise of velocity analysis is controlled by the approximation formulas of moveout curve and the analysis method 決定速度分析的精度的主要方面有時距曲線擬合公式的精度和速度分析的具體實現(xiàn)步驟。
In order to illustrate the valid range of the axial intensity expression and approximation formulae numerical results of both the methods are compared 使用軸上光強公式和近似公式對焦移計算結(jié)果的比較證明了近似公式的適用范圍。
We simply discuss those which are of importance to realizftg bandwidth requirement and with an approximation formula , the bandwidth is estimated 本文簡單地分析了實現(xiàn)帶寬要求的主要因素,并應用近似公式對帶寬作出了估計且表明帶寬要求是可以實現(xiàn)的。
By analysing the compute result of the quadratic approximation formula , we educe the conclusion that 3 is the best rank code for the quadratic approximation formula 通過對最小二乘擬合公式實際計算結(jié)果的分析,得出了“擬合公式階數(shù)取3為最佳”的結(jié)論。
Abstract : the second scalar analysis method to calculate the di ffraction efficiency of grating was described in detail , a simple effective approximation formula to calculate the diffraction efficiency of grating was educed . diffraction efficiencies were given and compared with scalar results , rigorous vector results 文摘:詳細介紹了計算光柵衍射效率的二階標量近似法,推導出一種簡單有效的計算光柵衍射效率的近似公式.給出了利用近似公式對幾種情況下光柵衍射效率的計算結(jié)果,并與普通標量法、嚴格矢量法的計算結(jié)果進行了比較
In the space , wavelet approximation formula and sampling formula are gived and these are simple and easy for calculation . it is a new attempt to establish mra in the reproducing kernel space . this not only makes up existing researchful defects but also gives a better method to resolve numerical approximation problems and it further enriches the reproducing kernel theory and wavelet method . this provides more applied method for resolving numerical approximation problems in the space which is often used in the engineering 在再生核空間中建立的多尺度分析方法是利用再生核工具探討小波理論的又一次大膽的嘗試,它不但彌補了現(xiàn)有研究的缺憾,而且給出了解決數(shù)值逼近問題的一個新思路,進一步豐富了再生核理論,充實了小波方法,這為在工程中常用的空間中解決數(shù)值逼近問題又提供了一種較為實用的方法。