查询词典 numerical algorithm

A signal reconstruction algorithm based on the output signal spectrum is studied, the experiment data prove that the algorithm can reconstruct the nonuniformly sampling signal, the research of this algorithm provided theory basis for its application

研究了一种基于系统输出序列频谱的滤波重构算法，通过原型电路的实际数据，证明该算法可以有效地重构非均匀采样信号，为该算法的应用提供了理论基础。

The results show that the learning algorithm of FNN based on PSO is superior to the BP algorithm observably. The PSO algorithm has a good application in neural networks.

研究表明，PSO算法在前向神经网络权值的学习算法中其所有的性能指标均优于传统的BP算法，PSO算法在神经网络的应用中具有广阔的前景。

By use of Overcomplete Representation method of the data, we get a completely new kind of BSS algorithm---Overcomplete BSS algorithm. The biggest advantage of this new algorithm is that it can still do blind separating works when there are more sources than mixtures!

利用数据的超完全表示方法，我们得到了一种全新的盲信源分离算法，其最大的特点就是当源信号的个数大于观测到的混合信号的个数的时候，该算法仍然能够完成盲分离工作，从而将盲信源分离技术的实用性大大提高了。

The proposed algorithm had the following characteristic: firstly, for various different cross traffic burstiness and load, the algorithm could dynamically tune the length of the probing packet train; secondly, it improved the method of adjusting the rate of the probing packet train, not only it remained the benefit of the fast converge, but also it was more suitable for the burst cross traffic situations; thirdly, improved the algorithm of detecting the OWD trend.

它具有以下几个特点：针对背景流量突发性和负载状况，自适应地动态调整探测包串的长度；改进了探测包串发送速率的调节方法，既保证了算法快速收敛的特点，又更能适用于背景流量突发的情况，提高了实时带宽测量的精确度；改进了判断单向延时趋势的算法。

The proposed algorithm had the following characteristic: firstly, for various different cross traffic burstiness and load, the algorithm could dynamically tune the length of the probing packet train;secondly, it improved the method of adjusting the rate of the probing packet train, not only it remained the benefit of the fast converge, but also itwas more suitable for the burst cross traffic situations; thirdly, improved the algorithm of detecting the owd trend.simulation shows that it can measure the avail-bw of the end-to-end path accurately and fast, and it was suitable for the real-time applications.

它具有以下几个特点：针对背景流量突发性和负载状况，自适应地动态调整探测包串的长度；改进了探测包串发送速率的调节方法，既保证了算法快速收敛的特点，又更能适用于背景流量突发的情况，提高了实时带宽测量的精确度；改进了判断单向延时趋势的算法。仿真实验表明，该算法能准确快速地测量出端到端可用带宽，适用于实时应用环境。

At the same time, the paper researches the parallelable of dynamic program, and discusses two kinds of parallel algorithm on SMP computer. After that, the paper give a parallel algorithm on cluster of SMP computers, and discuss how to divide the data getting more effective execution of parallel algorithm.

论文也讨论了动态规划算法的可并行性，研究了两种在SMP计算机上实现的动态规划并行方法，分析了在SMP机群系统中，如何通过分割数据的方法实现机群系统上算法的并行优化。

Genetic algorithm is a all-purpose global search method, it will consume seriously the computational resource and computational time, Since traditional genetic algorithm can't make use of the computational resource of multi-core computer fully, it has great practical significance to parallelize genetic algorithm on multi-core CPU.

遗传算法是一种具有很强通用性的全局搜索方法，也是一种计算量大、极耗计算资源的算法，其传统的串行计算形式并不能充分利用多核的计算资源，将其设计为适应多核CPU环境的并行计算形式，具有重要的现实意义。

Besides, the advantages of both hierarchical clustering algorithm and partitional clustering algorithm are also incorporated into the ICA clustering algorithm.

此外，双方优势的阶层式聚类法和分割式聚类法也纳入区间式竞争分群演算法。

The method of fuzzy partitional cluster algorithm is applied to classify the multi-target in the air combat,to be aimed at the shortcoming of traditional algorithm in calculating attack strategy difficultly.This algorithm reduces the computational complexity,and raises the operating speed by considering multi-target as a whole.

针对传统多机多目标攻击不易解算攻击任务分配，且计算量大的问题，提出基于划分的多目标模糊聚类算法，该算法根据目标属性的相似性进行多目标分类，可以有效地降低多目标任务分配解算维数，减少运算量，提高解算速度。

The algorithm is applied in the segmentation of Magnetic Resonance Imaging of human brain for the 3D reconstruction on dependent of different human tissue structures, in which the problem on wraps between different tissues and fuzzy edges between the different regions in medical volume data may better be settled, which can not be well done by the typical"hard"segmentation using binary logical representation.(3) An accelerated algorithm of volume rendering with X-ray perspective and Phong shading effect based on textures mapping and blending is presented for realizing 3D reconstruction of medical volume data by 2D texture mapping and blending, in which the accelerated algorithm of window transformation is utilized to computing voxels' gray scales and opacities to produce X-ray perspective images, and Phone illumination model is used to import world light sources and an unit spherical surface under the same shading environment as the actual volume rendering is employed to simulate the real reflectional light of per-voxel so that 3D reconstruction possesses illumination effect in the world. Furthermore, 3D matrix transformations of degree rotation and other operations of 3D object are studied, and a fast equivalent method of corresponding shading correction is brought forward to improve its interaction speed in volume rendering process.

该方法利用体数据的窗口变换加速算法将医学体数据转换为计算机显示值，可以得到具有X光透视效果三维图像；该方法提出的Phong明暗处理加速算法利用Phong光照模型引入外部光源，使用一单位球面体来仿真体数据的法线矢量集所产生的反射光强，以快速得到每一个体素的反射光强度，使物体的三维重建达到现实世界中人眼直接观察的逼真效果；此外，还研究了三维重建物体的三维旋转等矩阵变换，提出了一种Phong明暗修正的快速算法来保证了体绘制中三维几何变换的多视角观察的交互速度。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。