查询词典 interpolation formula

Therefore,a series studies of ice-pier vibration are performed from different aspects in this paper.The main work of this his thesis is summarized as follows:(1) Ice response spectra is proposed based on the idea of a seismic response spectra analysis of str .. uctures.Firstly,ice response spectra on the basis of power spectra density function is established;Secondly,based on the assumption of quadratic parabolic interpolation method,the nonlinear interpolation analysis method of ice response spectra is studied from both theoretical and practical points of view,and the successive computation formulas including ice displacement,velocity and acceleration response spectrum are deduced by Duhamel integral.Furthermore,to analyze the effectivity and applicability of the method, the real temporal curves of ice pressure are used to be studied.The results show that the presented method is more convenient and accurate to study the structural response induced by ice force,also it can be effectively applied in the design of ice resistance.

鉴于此，本文针对冰激桥墩结构振动问题从不同方面展开了一系列与之相关的研究，主要研究内容如下：(1)根据结构抗震反应分析思想提出了冰振反应谱，首先建立了基于功率谱密度函数的冰振反应谱；其次借鉴地震反应谱内插法的思想从理论和实际观点出发，假定在等距离微小时间间隔内冰荷载按二次抛物线规律变化，由Duhamel积分推导出冰振位移、速度以及加速度反应谱的一系列连锁公式，建立了基于非线性内插法的冰振反应谱，并利用实际冰压力时程曲线进行了冰振反应谱数值分析，为以后冰激结构振动的研究提供一种方便、简捷、精确的分析方法，也能够将其有效地应用到结构的抗冰计算中。

Trace interpolation plays an important role in seismic data processing. Spatial aliasing is a principal troublesome problem in seismic trace interpolation.

道间插值方法在地震资料处理中具有十分重要的作用，而地震道空间内插所面临的主要问题是空间假频。

C completed the calculation method piecewise linear, quadratic interpolation, and the region between the Lagrange interpolation calculation!

利用C++完成计算方法的分段线性，二次插值和全区间拉格朗日插值的计算！

Compared with the linear interpolation and quadratic interpolation channel estimation based on polynomial models, it has the characteristic of low complexity, simple arithmetic and real time computation.

相对于其他线性插值及二次插值的插值信道估计方法，该方法具有计算复杂度低，算法简单，可以实时计算等特点。

All phase IDCT interpolation filter was a pure 2-D filter which could convert between quincunx sampling grid and square sampling grid directly,while all phase extended DCT interpolation filter could restrain the Gibbs effect of FIR filters.

其中全相位IDCT内插滤波器是纯二维滤波器，且能够直接实现五点梅花形采样矩阵与矩形采样矩阵之间的转换。而全相位延拓DCT内插滤波器能够有效地抑制FIR滤波器的吉布斯效应。

All phase IDCT interpolation filter was a pure 2-D filter which could convert between quincunx sampling grid and square sampling grid directly, while all phase extended DCT interpolation filter could restrain the Gibbs effect of FIR filters.

其中全相位IDCT内插滤波器是纯二维滤波器，且能够直接实现五点梅花形采样矩阵与矩形采样矩阵之间的转换。

In this study adopting the inverse distance weighted to deal with the rain gauge by interpolation, obtaining the rain capacity in every quarter in Minjiang watershed. Kriging interpolation was employed to get the spatial date base of temperature factor and the overall precision reached 95% by external module examination.

2本研究以反距离权重插值法对降雨线的进行内插处理，获取闽江流域各季度的降雨量，温度因子栅格空间数据库采用泛克里格插值获得，经模外检验精度较高，总体精度都达到95％以上。

Several interpolation methods are introduced, and their simulation results are compared, and cubic spline interpolation is proved to be the best.

对极坐标距离-多普勒成像中的常用插值算法做了比较，认为三次样条插值是一种比较理想的插值方法。

Simulation indicates that Hermite interpolation is superior to the cubic spline interpolation in harmonic analysis.

仿真表明，Hermite插值比三次样条插值对谐波分析更具优势。

Another, In view of the embroidered frame of step motor for motion control, Improved rapid precision linear interpolation algorithm-grid method is proposed, with realizing step motor variable distance interpolation.

主轴电机与绣框电机的协调运动是实现平稳刺绣的关键。

Salt is good, but if the salt becomes flat and tasteless, with what do you season it?

14：33 盐本是好的，盐若失了味，可用什么叫它再咸呢？

He reiterated that the PLA is an army of the people under the leadership of the Communist Party of China.

他重申，人民解放军是在中国共产党领导下的人民军队。