查询词典 algorithms

According to the signal characteristics, three candidates algorithms, threshold judgment through Lenner Filter Banks, Notch adaptive filter and VIFD(Variance of Instaneous Frequency Detector), and complex correlation detection, have been selected and tested. To maximize the accuracy and fulfill other parametric requirements of the system, simulation models are established on these selected algorithms, and data analysis work is done basing upon vast sampling.

根据信号的特点，选取了Lenner滤波器阈值判断、Notch自适应滤波器和VIFD联合判断以及复相关检测三种算法，建立仿真模型对三种信号检测算法分别进行仿真以及用实际的海试数据来选出一个比较合适的算法，保证标定系统的标定精度，满足指标的要求。

This paper discusses the nonlinear inversion algorithms instructively andmainlystudytwokinds ofnonlinearinversionalgorithms: SimulatedAnnealingConjugate Grads and Artificial Neural Network Genetic Algorithms, these two methods can decrease the iteration times and avoiddroppinginto the local extremum, we do the model calculation and confirm thevalidityofthealgorithm.

对非线性反演算法进行了有益的探讨，主要研究了两种非线性混合优化反演算法：模拟退火共轭梯度混合反演和神经网络遗传反演算法，两种混合算法都达到了减少迭代次数、避免陷入局部极值的目的，并进行了模型试算，验证了算法的有效性。

The course is a comprehensive introduction to the theory, algorithms and applications of integer optimization and is organized in four parts: formulations and relaxations, algebra and geometry of integer optimization, algorithms for integer optimization, and extensions of integer optimization.

本课程对整数最优化的理论、算法和应用做了全面的介绍。课程分为四部分：公式和松弛、整数最优化的代数学和几何学、整数最优化的算法，以及整数最优化的拓展。

Based on the basic principles of software design, with the help of Delphi software tool, an integer optimization software will be developed. With the help of this software, GA and its modified algorithms, binary combination algorithm and its modified algorithms will be used conveniently.

在分析提出软件设计基本原则的基础上，运用先进的Delphi软件开发工具，研制了窗口式可视化的整数优化系统软件，运用这些软件，可以方便地运用遗传算法及其改进算法、二进制组合算法及其改进算法进行优化。

In this paper, resource and feature of three-dimensional data model to the arch tunnel and interior installation are mainly researched; design thinking of the arch tunnel model is given out; algorithms of three-dimensional model about tunnel body and the joint part of the adjacent to tunnel body are achieved; in addition, relevance algorithms of texture mapping technology to interior in tunnel body and three-dimensional model of interior installation of tunnel are also researched.

主要研究了拱形巷道及其内部设备三维建模的数据来源和特点；给出了拱形巷道建模的设计思路；研究了实现巷道体和相邻巷道体之间连接处三维建模的算法；另外也研究了实现巷道体内部纹理贴图技术及巷道内部设备三维建模的相关算法；研究了实现三维巷道漫游的算法。

This paper mainly discusses the Han Character Internal Codes recognition algorithms in the Multi-lingual Environment, and provides four recognition algorithms, such as Internal Code Bound Recognition Algorithm, Interpunction Recognition Algorithm, Han Character Frequency Recognition Algorithm and Semantic Recognition Algorithm.

在此基础上，本文对不同的识别算法进行分析和评估。在对目标样本的测试中，以上算法的识别率最高可以达到 99 9%以上。1 前言汉字内码向ISO/IEC 1 0 6 46过渡是必然的趋势，但这需要一个较长的过渡期，在这期间计算机内将存在多种标准不一，互不兼容的内码，称之为多文种的环境[1] 。

At the end of this paper, we investigate the invertible problem with the watermarking algorithms, and analyze the situation of image ownership dispute caused by the possible counterfeit attack for the reason of invertibility. Then we discuss one method based on one-way hash function to make the watermarking algorithms non-invertible, and another one using the time stamping protocol, to prevent the counterfeit attacks.

本文随后研究了水印算法的可逆性问题，对于由此可能发生的伪造攻击致使对图象所有权产生争议的情况作了分析，并且讨论了基于单向Hash函数的使水印算法不可逆的方法，以及采用时间戳协议以阻止伪造攻击的方法。

This paper proposes new algorithms on nodes computing which contains desired results based on Karnaugh map,and new algorithms on node accessing based on multi-cast tree constructed on-the-fly.

由于GChord系统实现了节点管理和数据管理之间的无缝结合，进而实现了相邻数据之间的快速路由，由此提供了对多属性查询的良好支持。

And then, this paper presents an algorithm of computing the left inverse or right inverse for these special rectangle matrices. In thenormal algorithms for solving these problems, we need O(m2n) multiplications ordivisions. The algorithms in this paper only need O + O(n2) multiplications ordivisions. The paper is built as follows.

常规的计算m×n阶不相容线性方程组的极小范数最小二乘解的算法所需计算量为O(m~2n)，而本文根据特殊矩阵的特殊结构，通过两种不同的构造方式给出了两类不同的计算极小范数最小二乘解的快速算法，并给出了求特殊矩阵的左逆及右逆的快速算法，它们的计算量均为O+O(n~2)。

In part I, using the concatenating method and the discrete Leibnitz rule, we construct three multisymplectic algorithms, three local energy-conserving algorithms and one local momentum-conserving algorithm for the second order nonlinear Schrodinger equations.

第一部分利用复合构造方法和离散Leibnitz法则，给出了二阶非线性Schrodinger方程的多辛守恒格式，局部能量守恒格式和局部动量守恒格式，并给出了详略的推导过程。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。