查询词典 quadratic interpolation

Based on three-points quadratic interpolation ,an algorithm is provided for solving nonlinear equation.

利用优化技术中的三点二次插值法求解，在不需要计算导数的情况下给出一种具有超线性收敛的迭代算法。

Quadratic interpolation method is often used to reduce spectrum leakage in signal processing.

摘 要：在电力系统的模拟信号采样和处理过程中，为了降低频谱泄漏，经常采用二次插值算法。

Comparing to the 3-points quadratic interpolation of Lagrange i...

重点对比分析了常用的Lagrange插值法，并以Lagrange插值法中的三点二次插值法为例进行了对比仿真试验。

This section modifies the quadratic interpolation and constructsa new approximation scheme,which avoids the difficulties of the analysis.

3.4中讨论了带Dirichlet型边值的一维对流扩散方程组的特征——经济型差分格式。

The procedures used visual c development, design optimization for mechanical engineering, for the classical parabolic law, also known as the quadratic interpolation, good operating results.

本程序采用visual c++开发，用于机械优化设计工程计算，为经典的抛物法，又称二次插值，运行结果良好。

In view of it, the algorithm based on the Fast Fourier Transform techniques with quadratic interpolation in the frequency domain is mainly presented. After that,the simulation is carried on and analyse the simulation curves deeply. It ndicates that this algorithm can not only enhance the frequency resolution, but only estimated frequency has high reliability and excellent stability. And it\'s feasible.

主要介绍一种基于FFT和在频域内二次插值的频偏估计算法，之后进行仿真、深入分析仿真曲线，结果表明该算法不仅可以提高频偏估计的精度，而且频偏估计值具有很高的可靠性和良好的稳定性，该算法是可行的。

Thereinto, quadratic interpolation is uesed in undimensional search, and Powell arithmetic is used to solve unconstrained minimziation.

其中，利用二次插值法进行一维搜索，选用Powell算法进行无约束极小化求解。

Comparing with that using quadratic interpolation gridding first and then the first generation wavelet analysis in the irregular measuring network data, this method not only has higher precision, but also little distortion.

本文实现了基于提升算法的第二代小波变换，并把它应用于不规则测点的重力数据的处理，该方法比预先将不规则测点的重力数据经过二次插值网格化，再进行第一代小波分析的方法不仅精度高，而且失真小。

The calculating model of the electric field intensity of a composite insulator was presented; and the computing result of the distribution of the electric field was obtained by using the quadratic interpolation finite element method.

1引言合成绝缘子因其具有重量轻、耐污性好、日常维护量小等优点，在高电压输电线路上得到了广泛的应用。但是合成绝缘子在结构和材料上与瓷绝缘子不同，沿面场强的分布也不均匀。

It has been shown that the calculation resultS Of the two methods,the simplified integral and quadratic interpolation methods used in 1 D modelling of CSAMT(Controlled Source Audio frequency Magnetotellurics )method differs from each other significantly.

研究发现，两种目前比较常用的可控源音频磁大地电流法的正演计算方法，即简化积分法和二次插值法之间计算结果差异较大。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。