查询词典 interpolation method

Then we used Kriging interpolation technique in geological statistics to establish geological graphics model,and presented the method of searching known sample points in the region to be interpolated adjacent to triangle mesh vertex with"polygon"expanding,and the method of dealing with the impact of boundary and faultage on interpolated results by distance revolving.

首先给出限制条件下的区域Delaunay剖分原理；其次采用了地质统计学中的克里金插值技术建立图件模型，提出了"多边形"扩张法搜索待插值三角网格顶点邻域内的已知采样点，以"距离环绕法"处理了断层和边界对插值结果造成的影响；结合地质图件自动建立过程；最后给出了一个具体的应用实例。

At the same time,since the algebraic geometry theory and method during the past few years have unceasingly developed and improved,we have forceful theory basis and new method to further research the problem of multivariate interpolation.

同时，由于近年来代数几何理论与方法的不断发展和完善，又为多元插值问题的进一步研究提供了强有力的理论依据和全新的研究方法。

At the same time, since the algebraic geometry theoryand method during the past few years have unceasingly developed andimproved, we have forceful theory basis and new method to further re-search the problem of multivariate interpolation.

同时，由于近年来代数几何理论与方法的不断发展和完善，又为多元插值问题的进一步研究提供了强有力的理论依据和全新的研究方法。

The method based on the frequency sampling is taken from the interpolation theory. The method based on the Chebyshev best uniform approximation theory can control the precision of approximation by limiting parameters.

频率采样脉冲波形设计法源于数值逼近理论插值法，所得脉冲波形有确定解析式；Chebyshev最佳一致逼近脉冲波形设计法属于均匀一致逼近，逼近程度能够利用参数进行限定。

In the numerical simulation, the Blasius equation of boundary layer based on the Chebyshev interpolation points was solved by using of the Runge utta method with variable step. On the basis of the coordinate transformation of the boundary condition, the Chebyshev spectral method was applied to solve the hydrodynamic stability equation of boundary layer.

在数值模拟中，采用变步长的Runge Kutta方法，求解基于Chebyshev插值点的边界层Blasius方程，然后对边界条件进行坐标变换，使Chebyshev谱方法适用于边界层稳定性方程的求解。

In this paper,using the improved L-P method and the interpolation perturbation method,the authors seek to solve a class of the damped strongly nonlinear free oscillation problems.

文摘：本文用插值摄动法及改进的L-P法相结合的方法求解了一类有阻尼的强非线性自由振动问题，得到了一级近似解。

Secondly, the platform of IPTV set-top box named DM6446 is introduced, and then the AVS video coding standard which is implemented as the video coding standard of IPTV is introduced. The kernel architecture, peripheral devices of DM6446 and the key technique of AVS video coding such as transformation, quantization, intra-prediction, inter-prediction, interpolation, and loop filter is introduced in detail. Thirdly, the system procedures of set-top box which are implemented on the ARM side of DM6446 are introduced in detail. This part focuses on the demultiplex of audio and video data, the design of data interface, the playback of audio and video, and the communication between ARM and DSP. Fourthly, the loop filter algorithm of AVS video coding standard is introduced in full detail, and the optimized procedures of the algorithm on the DSP side of DM6446 are introduced, and then the optimized results are presented. Fifthly, the thesis introduces and analyzes the state-of-art technique of deblocking filter, and proposes a deblocking method, and then the results of proposed method are given. Finally, summarize of this thesis and further development is given.

首先对IPTV技术、视频编解码技术以及去块滤波技术做了简要介绍；然后介绍了IPTV机顶盒的实现平台DM6446，并介绍了该处理器的外围接口和内核结构，同时介绍了作为本IPTV系统视频标准的AVS第二部分视频标准，以及该标准中变换量化、帧内预测、帧间预测、插值和环路滤波等多个模块的算法；接着，详细介绍了机顶盒系统相应程序在DM6446 ARM核上的实现，重点介绍了音视频系统码流的解复用、数据接口设计、音视频的播放以及ARM核与DSP核之间的通信；然后，详细介绍了AVS视频标准中环路滤波算法及该算法在DM6446 C64+内核上的优化，并给出优化结果；然后对去块滤波算法进行了研究并提出了一种环路滤波方案，同时给出了此方案的实验结果；最后总结了本文的工作，并提出了可以改进的方向。

The meshless local Petrov-Galerkin method is a new numerical technique presented in recent years, for it doesn't need any element or mesh for the energy integral or the purpose of interpolation, and it's termed as a truly meshless method.

无网格局部Petrov-Galerkin方法是近几年发展起来的一种相对较新的数值方法，它不需要借助任何的单元或网格来进行积分或插值，是一种真正的无网格方法。

The meshless local Petrov-Galerkin method is a new numerical technique presented in recent years. It doesn't need any element or mesh for the energy integral or the purpose of interpolation. Therefore it is a truly meshless method.

无网格局部Petrov-Galerkin方法是近几年发展起来的一种无网格方法，它不需要借助任何单元或网格进行积分和插值，是一种真正的无网格方法。

By using the Eulerian-Lagrangian combined method, the convection-diffusion equation is spitted into the diffusion terms and convection terms. For convection terms, the implicit method of characteristics using time-line interpolation with high accuracy is adopted. While for the diffusion terms the conventional finite difference method is used.

采用欧拉—拉格朗日混合解法，将对流—扩散方程中的扩散项和对流项分裂求解，应用高精度时间序列插值的特征差分隐格式求解对流项，扩散项采用传统的有限差分法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。