共查询到20条相似文献，搜索用时 312 毫秒
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K.B. Datta 《Journal of The Franklin Institute》1980,309(2):103-123
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本文利用VB6.0和Access数据库技术,开发了热工基础考试系统,并简要介绍了该系统的设计思想、主要功能及实现方法,并给出了部分程序代码。 相似文献
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文章从量子力学出发，简要介绍了其理论的发展历程，分析了EPR理论中非定域特性的内在特性，并由此而引出量子态的超空间转移（量子通信），重点阐述了双态体系中量子态超空间转移的实现，并简要说明了目前量子通信方面的研究成果。 相似文献
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In a previous study by the authors regarding passive multiconductor transmission line (MTL) system quasi-TEM mode delay, we encounter longitudinal immittance matrix functions (LIMFs) whose behavior initially appears problematic, yet they are shown to be passive. This paper addresses the constraints on the realization of the admittance matrix and the physical interpretation of the realized circuits in the passive, common-ground microstrip system. 相似文献
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基于情境感知的自适应个性化知识服务研究 总被引：1，自引：0，他引：1
在Web2.0环境下,由于用户成为了知识构建的适应性主体,还原了知识构建与服务的人本原生态,使个人知识构建表现出自组织原理。这为基于情境感知的自适应个性化知识服务实现和系统构建提供了有利条件,但其具体实现尚需借助本体在对知识项和情境信息进行统一语义描述和推理方面的优势才能更好得以实施。 相似文献
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本文首先从软件复用的角度引入构件技术,介绍构件定义、软件构件、可复用软件构件、构件描述语言、基于构件的软件开发方法和专家系统等知识;然后介绍了软构件技术在专家系统中的应用,并以大豆病虫害诊断专家系统为例阐述了具体实现过程。结果说明了构件技术对专家系统开发的巨大影响以及开发本平台的必要性。 相似文献
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M. Sami Fadali 《Journal of The Franklin Institute》2011,348(2):239-260
In this paper, we use input and output maps to develop simple procedures to obtain minimal realizations for linear continuous-time systems. The procedures developed are numerically efficient and yield explicit formulae for the state-space matrices of the realization in terms of the system parameters, notably the system eigenvalues. Both systems with distinct eigenvalues and repeated eigenvalues are treated. We also present a procedure for transforming a realization obtained through the input or output map to Jordan canonical form. The transformation matrices required to transform the realization to Jordan canonical form are specified entirely in terms of the system eigenvalues. We illustrate the results obtained with several examples. 相似文献
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文献数字化技术在自建数据库中的应用策略研究 总被引：1，自引：0，他引：1
从文献数字化实现过程出发,简述了文献数字化技术,并提出自建数据库数字化技术的选择原则,然后就文献数字化技术在自建数据库过程中的应用策略进行了探讨。 相似文献
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E.W. Kamen 《Journal of The Franklin Institute》1976,301(6):559-571
An algebraic treatment of operational differential equations with time-varying coefficients is presented in terms of skew rings of differential polynomials defined over a Noetherian ring. Included in this framework are delay differential equations with time- varying coefficients. The operator equations are characterized by transfer matrices which are utilized to construct realizations given by first-order vector differential equations with operator coefficients. It is shown that the realization of matrix equations can be reduced to the realization of scalar equations. Finally, a simple procedure is derived for realizing scalar equations. 相似文献
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语义Web是一个新兴的研究方向,本文探讨了本体Ontology及在语义Web中的作用,结合信息检索和B2B的电子商务这两个具体应用,研究了本体在其中的作用,并且介绍了实现中本体描述语言和建设方法. 相似文献
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文章通过高校图书馆个性化信息服务的现状,阐述了云计算环境下个性化信息服务优势以及手段,探讨了云计算环境下图书馆个性化信息服务的实现。 相似文献
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Yuan Wang Jianwei Xia Zhen Wang Jianping Zhou Hao Shen 《Journal of The Franklin Institute》2019,356(6):3612-3627
This paper is devoted to the reliable leader-following consensus realization for a class of nonlinear multi-agent systems. The parameters of every agent are assumed to encounter sudden changes, which are governed by a semi-Markov process. A control protocol which possesses the performance of resisting actuator faults is employed for ensuring the reliable leader-following consensus and an analysis result is established by using the Lyapunov–Krasovskii functional method. Then an easy-to-implement condition is proposed for the issue of leader-following reliable consensus realization. If the condition is satisfied, the desired controller gain can be obtained via the numerical solutions of a set of linear matrix inequalities. At last, the feasibility of the proposed scheme is well explained by an illustrated example. 相似文献
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学科信息素养整合教育探究 总被引：1，自引：0，他引：1
本文在简介国内外信息素养教育现状的基础上,阐述了学科信息素养整合教育的基本理念,探讨了信息素养合作教学面临的障碍及实现的可能性,同时还介绍了信息素养整合教育的模式与程序。 相似文献
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Various aspects of analysis and synthesis of resistive n-port networks are considered in this paper. Two different characterizations of the network are examined, the Y matrix characterization and the K matrix characterization. Based on these characterizations, a set of equations is derived which relate the edge admittances with the elements of these matrices. When the K matrix is given, these equations are linear and can be solved analytically. When the Y matrix is given, the equations are bilinear and cannot be solved analytically. In this case, the problem is formulated as an optimization problem and techniques of nonlinear programming are used to obtain a realization. Synthesis from the Y matrix is finally extended to include sensitivity considerations. 相似文献
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学科性质、学科体系抑或学科功能——理性审思情报学学科地位的独立原点 总被引：1，自引：0，他引：1
情报学学科是否具有独立的学科地位,并不取决于它的学科性质和学科体系,而是由它无以替代的"功能"所决定.情报学是否具有存在和独立的必要,不在于它是否具有明确的学科性质,也不在于它是否具有完善的统一体系,而重在自身学科功能的有效实现.满足情报学实践需要、有效发挥学科功能,乃是情报学学科地位的独立原点.情报学也正是承担了"解决人类知识困境--认识知识体(世界)"和"指导知识利用--改造知识世界"的两大基本职能,才被赋予其必须存在的生命根基,彰显出其独立学科地位的必然性和必要性. 相似文献
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介绍了一种基于FPGA的中频数字接收机的设计与实现,给出了系统实现的总体方案,并阐述了各部分硬件电路的设计。重点对FPGA内部各主要功能模块做了详细阐述,对各个模块的设计方法以及实现过程进行了细致描述,给出了各模块的具体实现的顶层文件,并对系统功能扩展做了简要说明。 相似文献