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To find the minimum of energy function E is a part of work in the test generation based on neural network.

给出了神经网络测试生成的遗传进化方法的并行实现算法;提出了异步拟牛顿法、异步割线法和异步区间算法等三种异步并行算法,并对每一算法的收敛性及收敛效率做了分析,为神经网络测试生成方法在多机并行系统上的仿真实现提供了新的途径。

Problems that result from high-speed movement of the equipment in measurement unit, including image mistiness, repetition and skip, are deeply analyzed. And the processing time is tested. The result indicates that image processing algorithm is accurate, fast, and robust. The simulation result of fuzzy controller, which is gained through Matlab, indicates that the fuzzy control system can accurately determine cutter's number. The experiment of cutter indicates that the resistance thread can meet the demand.

分析了检测单元中装备高速作业带来的图像模糊和重复遗漏问题,测试了图像处理算法的时间,结果表明设计的算法准确、快速、适应性强;利用Matlab对模糊控制算法进行仿真,仿真结果表明控制算法能准确地确定刀具编号;切破刀具的试验表明设计的电阻丝刀具能满足要求。

Moreover, their intrinsic connection, advantages and disadvantages were analyzed from the view of multilinear projections, essential differences and their own superiorities between tensor and vector patterns were clarified, and the problems to be solved and future research were discussed.

对现有张量型学习算法进行总结:针对向量模式表示存在的问题,讨论了设计张量型学习算法的必要性和重要意义;从特征提取和分类器设计2个层面,对现有张量型学习算法进行分类和汇总,并着重从多线性投影方式出发,讨论了其内在联系及优缺点;分析了张量模式与向量模式表示间的本质关系及各自优势;探讨了张量型学习算法有待解决的问题及可能的研究趋势。

The algorithm has overcome some problems of traditional algorithm such as more constraint conditions, depending prior knowledge, calculation complexity and noise susceptibility, and can be applied into the different restored image, and effectively overcomes the difficulties to determine noise-signal power ratio of Wiener filtering.

该算法利用微粒群算法的快速搜索能力和模拟退火算法良好的全局收敛性能寻找最佳复原图像,克服了传统的图像复原方法存在较多约束条件、依赖先验知识、计算求解复杂和对噪声十分敏感等不足,能应用于不同类型退化图像的复原,并能有效地解决经典维纳滤波算法噪信功率比难以确定的问题。

By the analyses on the existing detector generating algorithms, we achieved the improvement of the linear time detector generating algorithm, which was widely used at present. The efficiency of the linear algorithm was improved by eliminating the reluctant detectors, and at the same time the improved algorithm was ensured to cover the nonself space as much as possible.

在分析已有的检测器生成算法的基础上,改进了目前使用最多的线性检测器生成算法,通过消除冗余的检测器提高了线性检测器生成算法的效率,同时还保证了改进后的算法能够尽可能多地覆盖"非我"空间。

The problem of huge numbers of datas are disposed in the process of disposed three-dimensional laser scanning datas, so on the base of carefully analszing the serial algorithm of plane segmentation and multiple datasets registration in the process of disposing three-dimensional laser scan datas, according to the method of parallel programming basing on MPI, the paper used the right means of datas distributing to design and realize the parrel algorithm of plane segmentation and multiple datasets registration.

本文针对三维激光扫描数据处理过程中所处理的数据量大这一问题,在认真分析了三维激光扫描数据处理过程中平面分割和多视点配准串行算法的基础上,根据基于MPI并行程序设计方法,采用合适的数据分配方案,设计了平面分割和多视点配准的并行算法,并给出了效果图,以及并行算法加速比和效率的实际数据,最后对并行算法效果进行了分析。

This paper first analyses and summarizes the ststus quo and evolution trend of encryption, some common used cryptograph are introduced, including the algorithms used in symmetric cryptosystem and asymmetirc cryptosystem. We describe the theory of each algorithms and compare the elliptic curve cryptosystem with the other two asymmetric cryptosystems to show the advantages of this algorithm. Second, the principle of ECC is discussed, including the math foundation of ECC, basic conception of elliptic curves, constructiong idea of ECC, operation on the elliptic curve and so on. Third, the current attacks of ECC were analyzed deeply, and an algorithm based on limited prime number field was constructed. We analyzed its realizability in theory, and implement it by using certain function of MIRACL software package. Latter half in this paper, the implementation model of a simple elliptic curve encryption system which based on GF has been introduced. The paper also put a deep analysis on the algorithm of point addition and point multiplication.

本文首先对密码技术的发展现状及其发展趋势进行了分析和综述,详细的介绍了私钥密码系统和公钥密码系统的发展,说明各种算法的原理和优缺点,并给出了一些典型的密码体制的简要分析,重点将椭圆曲线算法与其它几种公钥密码算法比较,说明椭圆曲线算法的优势;其次,探讨了椭圆曲线密码体制的原理,包括椭圆曲线密码的数学基础、基本概念、椭圆曲线密码体制的构造思想等问题;第三作者对椭圆曲线的攻击现状作了详细的分析,针对所使用的大素数域F_p,设计了素数域上安全椭圆曲线产生的算法,从理论上做了可实施性分析,从软件上做了具体实现;在本文的后半部分,提出了一个简单的基于有限素数域上的椭圆曲线加密方按算实现模型,并对SECES中设计的点加和点乘运算进行了深入分析。

Dissertation introduced a brief analysis of time series, simple overview of the data compression technology in several common algorithms, wavelet algorithm and to focus on the wavelet analysis of the nature and characteristics of algorithm, introduced by wavelet data compression algorithm method.

论文主要介绍了关于时间序列的简要分析,简单概述了数据压缩技术的中的几种常用算法,并以小波算法为重点分析了小波算法的性质和特点,介绍了用小波算法进行数据压缩的方法。

The method of constructing arithmetic of oil system steady model for aero engine has been elaborated in this paper, which is based on the analyses of different parts characteristics that show monotone variation relationship and which introduces the notion "balanced calculation" to replace traditional iteration with vector calculus and various interpolation algorithms.

在分析滑油系统部附件的基础上,根据部附件特性单调变化的特点,提出了"平衡计算"的概念,应用向量运算方法和多种插值算法取代传统的迭代算法来构造航空发动机滑油系统稳态模型算法的思路和方法,并用该算法编制程序对发动机在海平面最大状态下滑油系统性能参数进行了验算。

The modified algorithm estimates the AR model parameters according to the reverberation noise data of the previous blodk,uses the whitener constructed by estimated parameters to filter the reverberation noise data of the current block,and executes the univariate GLRT judgement to the filter...

改进算法根据前一段的混响噪声数据估计AR模型参数,利用估计参数构成的白化器对当前段混响噪声数据进行滤波,并对滤波后数据进行单变量的GLRT检测。与双变量的GLRT算法相比,改进算法有效降低了运算量。最后通过蒙特卡罗仿真给出了改进算法的检测性能分析。

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推荐网络例句

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石!

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。

When you click Save, you save the file to the host′s hard disk or server, not to your own machine.

单击"保存"会将文件保存到主持人的硬盘或服务器上,而不是您自己的计算机上。