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网络分析的
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  network analysis
     Study of Graph Simplifying Method in GIS Network Analysis
     GIS网络分析的图简化方法研究
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     Bilateral Laplace Transform Method for Dynamic Network Analysis
     动态网络分析的双边Laplace变换法
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     Dynamic Segmentation and Its Implementation in GIS Network Analysis
     GIS网络分析的动态分段方法与实现
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     Design and Implementation of Network Analysis in Police GIS
     警用GIS中网络分析的功能设计与实现
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     Flow Graph Matrix Method for Network Analysis
     网络分析的流图矩阵法
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  “网络分析的”译为未确定词的双语例句
     A SCALING-PAUPER'S ALGORITHM FOR SC NETWORKS ANALYSIS
     SC网络分析的标度-Pauper算法
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     BOTT-DUFFIN'S METHOD IN NETWORKS ANALYSIS
     网络分析的Bott-Duffin方法
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     Progresses on the Analysis of Econetwork
     生态网络分析的研究进展
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     The building of topologic relationship is the key to analysis of shortest path.
     最短路径分析是GIS网络分析的基础,拓扑关系的建立是最短路径分析的关键。
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     A LOOP CHARGE APPROACH FOR THE ANALYSIS OF SWITCHED-CAPACITOR NETWORKS WITH ARBITRARY VOLTAGE SOURCE INPUTS
     任意电压源输入下开关电容网络分析的回路电荷法
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     NETWORK
     网络
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     Network Data
     网络
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     THE ANALYSIS METHOD FOR A STABLE NET BY AN ACCOMPANYING NET
     网络稳态分析的伴随网络
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     The Semantic Network Representation Method in Chinese Analyzer
     汉语分析的语义网络表示法
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  network analysis
The method of neural-network analysis of experimental data is applied to the corrosion system for the first time.
      
A scaling Pauper's algorithm for SC network analysis
      
Primary subgraph method for linear active network analysis
      
This paper introduces the concept of the primary subgraph of a composite graph associated with a linear active network, and presents a new and efficient topological method, called the primary subgraph method, for linear active network analysis.
      
Some problems in the conventional network analysis can be solved using this method.
      
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One of the important requirements on oscillators is to have stable frequency of oscillation. The frequency stability problem for vacuum tube oscillators has been extensively in-estigated, however, the same problem for transistor oscillators has not been adequately treated. It is therefore the purpose of this paper to offer a detailed analysis on the frequency stability of transistor feedback oscillators.General equation of oscillations for feedback oscillators are first derived by using the linear analysis based...

One of the important requirements on oscillators is to have stable frequency of oscillation. The frequency stability problem for vacuum tube oscillators has been extensively in-estigated, however, the same problem for transistor oscillators has not been adequately treated. It is therefore the purpose of this paper to offer a detailed analysis on the frequency stability of transistor feedback oscillators.General equation of oscillations for feedback oscillators are first derived by using the linear analysis based on the cascade parameter matrix representation of 2-port networks. Analysis is then applied to the various types of transistor feedback oscillators. Various types of the equivalent circuits for the common-emitter network and various forms of feedback networks using only pure reactive elements are used in deriving the equationsof oscillations. Elements of the feedback networks are assumed to remain unchanged andparameters of the transistor networks are assumed to be varied in the investigation of the frequency drift of transistor oscillators.Feedback networks are grouped into three major groups according to their geometries: the three-arm π configurations, the four-arm and the five-arm configurations. Conditions of oscillations, conditions of frequency stability for oscillators using these groups of feedback networks are discussed and results are summarised into three tables for ready references.

振荡器的一项重要性能是振荡频率的稳定度,对电子管振荡器的频率稳定性能已有比较长时期的研究。然而,对晶体管振荡器频率稳定性能的研究则尚欠完善。本文将对晶体管反馈振荡器的频率稳定性能作比较详细的研讨。 根据四端网络分析及级联参数矩阵表示法,首先推导反馈振荡器的通用振荡方程,然后对共发射极网络的各种等效电路以及对各种纯电抗元件的反馈网络的级联参数进行分析,用这些网络形成各种晶体管反馈振荡器,并推导这些振荡器的振荡方程。根据振荡方程对这些振荡器的振荡性能,包括振荡频率的稳定性能,进行分析及比较。 假设反馈网络所用外加电抗元件固定不变,而晶体管参数改变(包括晶体管的输出输入电阻,输出输入电容,电流放大系数的虚数部分,负载电阻等的改变),对由于这些参数改变所引起的振荡频率漂移作了分析及比较。 根据所用反馈网络的几何构造,将反馈网络分成三臂π形,四臂及五臂网络等三类,对采用这三类网络而组成的晶体管振荡器的振荡性能进行分析,重要结果分别在三表中列出,供研究及设计者参考。

According to the classification of mechanical impedance and the requirements for the advance of electrical engineering, it is proposed that electrical impedances are classified into current impedance (admittance)and charge impedance (admittance). By sudying the contradictions among eight functions which are the impedance and the admittance functions of current and charge in RC branches, and of displacement and velocity in SD (spring-dashpot) branches, and by using the signal flow graph topology, the author presented...

According to the classification of mechanical impedance and the requirements for the advance of electrical engineering, it is proposed that electrical impedances are classified into current impedance (admittance)and charge impedance (admittance). By sudying the contradictions among eight functions which are the impedance and the admittance functions of current and charge in RC branches, and of displacement and velocity in SD (spring-dashpot) branches, and by using the signal flow graph topology, the author presented some network transformation methods of TRANSPOSITION, INVERSION, SIMILARITY and their combinations, and established EIGHT TRANSFORMATION RULES. The transformation relationships of configurations among voltage, current, charge, force, displacement and velocity corrective-compensative networks, as well as the algebraic substitution relationships of their transfer functions have been given by the EIGHT RULES proposed in this paper. Then a complete system of RC and SD networks is composed. Shortcomings involved in some references are also pointed out. The analogy of the impedance (admittance) functions and the proposition of the THREE TRANSFORMATIONS and the HIGHT RULES enriched the simulation theory, and are also valuable for the network analysis in other scientific and technical domains.

本文基于机械阻抗的分类和电学发展的需要,提出电阻抗的分类:电流阻抗(导纳);电荷阻抗(导纳)。通过对Rc(Resistance-Capacitor)支路的电流、电荷阻抗和导纳函数以及SD(Spring-Dashpot)支路的位移、速度阻抗和导纳函数八者之间矛盾性的研究,经信号流图拓扑,提出易位、翻转、相似及其组合的网络变换方法,建立了八条变换法则;给出了电压、电流、电荷以及力、位移、速度补偿校正网络构形变换及其传递函数代数置换关系;将RC与SD网络组成一个完整体系,并指出若干文献不妥之处。阻抗(导纳)函数的类比和三种变换、八条法则的提出,丰富了模拟理论,并对其它科技领域的网络分析也有参考价值。

The function of terminal immittance of ladder network expressed by continued fraction is directly related to parameters of the elments in the ladder. The ladder network properties are uniquely determined by the network function in form of a rational fraction which is the inversion of the continued fraction. It can be proved that the voltage ratio transfer function is easily obtained from the reciprocal of numerator polynomials of the rational fraction of the input impedance, while its denominator reciprocal...

The function of terminal immittance of ladder network expressed by continued fraction is directly related to parameters of the elments in the ladder. The ladder network properties are uniquely determined by the network function in form of a rational fraction which is the inversion of the continued fraction. It can be proved that the voltage ratio transfer function is easily obtained from the reciprocal of numerator polynomials of the rational fraction of the input impedance, while its denominator reciprocal forms transfer function of transfer impedance. The process of reducing continued fraction to rational fraction is known as inversion and the reversed process called expansion. The purpose of this paper is to find an easy and simple way for both the expansion and inversion processes between rational and continued fraction functions by means of Routh Algorithm. This method will also lend great conveniences to the analysis and aynthesis of ladder network, and at the same time tightly relates this two otherwise independent tasks, Actual computation reveals this method can effectively render the analysis result more exhaustive and that of the synthesis more rational and closer to preassigned goals which also include the economic advantages attainable.

梯形网络的终端阻抗(导纳)函数的连分表达式,直接与网络的各个元件参数联系着,而上述网络函数的有理分式形式却决定了网络的各种特性。输入阻抗函数之有理分式其分子多项式的倒数就是电压传递函数,其分母多项式的倒数就是转移阻抗函数。由连分弍到有理分式的变换过程称之为反演,反之称为展开。本文中将借助于Routh算法来完成这种反演与展开,使计算工作量大大减少,从而方便地实现对梯形网络的分析与综合。同时,使分析与综合紧密联系,就象送运算与正运算的关系一样。这样做使分析的结果更切合实际;综合的结果更符合预定的指标,其中包括经济性指标。 对均匀梯形网络和锥状(tatper)梯形网络本文提供了专用的连分式反演表,只需查表就可以求得电压传递函数和转移阻抗函数。本文还推广了Tschudi公式的应用范围。参考文献共41篇。

 
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