| 1. | New approximation formula for calculation of elastic impedance in anisotropic media
一种新的各向异性弹性阻抗近似公式 |
| 2. | The precise of velocity analysis is controlled by the approximation formulas of moveout curve and the analysis method
决定速度分析的精度的主要方面有时距曲线拟合公式的精度和速度分析的具体实现步骤。 |
| 3. | In order to illustrate the valid range of the axial intensity expression and approximation formulae numerical results of both the methods are compared
使用轴上光强公式和近似公式对焦移计算结果的比较证明了近似公式的适用范围。 |
| 4. | We simply discuss those which are of importance to realizftg bandwidth requirement and with an approximation formula , the bandwidth is estimated
本文简单地分析了实现带宽要求的主要因素，并应用近似公式对带宽作出了估计且表明带宽要求是可以实现的。 |
| 5. | 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
通过对最小二乘拟合公式实际计算结果的分析，得出了“拟合公式阶数取3为最佳”的结论。 |
| 6. | 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:详细介绍了计算光栅衍射效率的二阶标量近似法，推导出一种简单有效的计算光栅衍射效率的近似公式.给出了利用近似公式对几种情况下光栅衍射效率的计算结果，并与普通标量法、严格矢量法的计算结果进行了比较 |
| 7. | 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
在再生核空间中建立的多尺度分析方法是利用再生核工具探讨小波理论的又一次大胆的尝试，它不但弥补了现有研究的缺憾，而且给出了解决数值逼近问题的一个新思路，进一步丰富了再生核理论，充实了小波方法，这为在工程中常用的空间中解决数值逼近问题又提供了一种较为实用的方法。 |
