查询词典 fast algorithm

On the basis of the generalized phase integral approximation and the beam displacement ray mode theory, which are both developed by Chinese acousticians, a fast method for normal modes analyzing including the leaky modes is presented. The application of this method in the coupled mode parabolic equation theory gives an efficient algorithm for both the range dependent problems (CMPE2D) and the three dimensional problems (CMPE3D).

在我国独创的广义相积分理论和波束位移射线简正波理论的基础上，提出了一种可以快速而精确地求解简正波本征值的算法，并将该算法应用于简正波-抛物方程理论，从而实现了二维(CMPE2D)和三维(CMPE3D)声场的快速预报。

As a fast TDIE solver with high accuracy and efficiency, plane wave time domain algorithm is studied deeply in this thesis. The implementations of two-level and multilevel PWTD-enhanced MOT schemes are described and the numerical efficiency is presented.

论文还深入研究了一种高精度、高效率的TDIE加速算法——时域平面波算法的理论基础、数值实现的关键技术，以及两层、多层PWTD加速MOT的实现方案、程序流程以及数值性能。

The system adopt the method of fast establishing new project based on template file; to forecast the ground movement and deformation of multiple random-shape faces according to probability integral principle, designs the new algorithm of drawing section plane and the new calculation of area and volume of subsided section based on isoclines, at the same time, gives the rule of classifying mine surface damage under GIS environment on the basis of GIS uncertainty theory.

由于开采沉陷过程具有时空特性，本文基于Mapinfo6.5开发了矿区地表变形预测与可视化系统（Mine Surface Deformation Forecasting and Visualization System，简称MSDFVS）系统采用以模板文件形式快速建立新项目的方法，运用概率积分法进行任意形状多工作面开采沉陷地表移动与变形预计，基于等值线设计了新的剖面图绘制算法和塌陷区面积、体积的计算方法，并结合GIS不确定性理论提出了GIS图形环境下矿区地表塌陷破坏等级划分准则。

In this paper, genetic algorithm is used for the route optimizing of SLMM. The path points and threats position are denoted in the form of polar coordinates, which can shorten the gene code length, speed up the execution of genetic search for fast path generation.

采用遗传算法进行自航水雷航路优化，算法利用极坐标描述威胁位置和航路点，将航路编码由二维缩减至一维，降低了搜索空间，提高了优化效率。

With regard to the software design, we realized the software filter for anti-intermixing; and we use the Fast Fourier Transform Algorithm to analyze the harmonic of the voltage and current; also we analyze the method of calculating all the parameters of the power system, fault component and positive, negative, zero sequence.

软件算法方面，系统对信号采用了抗混叠软件滤波，并采用传统的快速傅立叶变换，对采样的电压和电流信号进行频谱分析。论文中还详细分析了电网各参数，故障分量以及正、负、零序分量的计算。

In order to increase the detection speed, by using mixing particle sets to express the posterior probability distribution and adopting the Monte Carlo numerical methods to calculate the mixing weights, the fast fault detection algorithm is proposed based on the estimate window method.

为了提高故障检测的速度，采用混合粒子集表达后验概率分布，并由Monte Carlo数值方法优化得到各粒子集的加权值，据此提出了基于估计窗的快速故障检测算法。

Implementation of public-key distribution systems over the prime field GF taking Mersenne's primes as the characteristic was suggested and a fast encryption -decryption algorithm of the system was poresented.

本文建议在以Mersenne素数为特征的素域GF上实现公钥分布系统，提出了该系统的一种快速加密-解密算法，这种算法具有便于实现的优点。

According to certain ratios among the number of one, two or three bends in a chip, it computes the probability of usage of each unit line segment, thus resulting in a fast and accurate algorithm for congestion estimation.

依据芯片上含有一个、两个、三个拐弯布线的一定比例关系，计算出每条单位线段被使用的"概率"，进而产生了一种快速准确的拥塞估计算法。

For this purpose,a fast recursive algorithm is presented based on an inverse QR decomposition in this paper.

本文基于逆QR分解技术提出了一种求解空时二维自适应处理权值的快速递推算法。

Some questions in digital elevation model were discussed detailedly, such as the obtaining of data points, the fast searching of reference points, the interpolation algorithm of quadric surface, the abnormal data eliminating, and so on. And this paper has realized the 3D vectorization of 2D terrain maps, the 3D display and edit of DEM data with the help of secondary development of CAD.

文中详细讨论了数字高程模型中数据点获得、参考点的快速搜索、二次曲面的插值算法、粗差剔除等内容，并运用AutoCAD二次开发技术，实现了二维地形图的三维矢量化以及DEM数据的三维显示和编辑修改。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！