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交大學刊;;Science Bulletin National Chiao-Tung University

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    FORTRAN中文輸入輸出程式
    (交大學刊編輯委員會, 1974-03)
    戚樹紅
    本篇主要介紹的是一個以Fortran 語言來設計中文字根合成中文字的程式，此程式是綜合參考資料(1)、(2)、(3)所得之結果。中文字根是用relative line segment的方法表示的。
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    A FORTRAN Program for Calculating the Mean Square Values of the Electron Momenta in N-Electron Atoms He-Kr
    (交大學刊編輯委員會, 1974-03)
    李維銘
    ;
    Lee Wei Ming
    The one-electron part of the total mean square values of electron momenta in N-elevtron atoms can be expressed as <Ψ|Σ1 to N P|Ψ>. The total wave function Ψis a linear combination of spin-orbitals ø. Ø is expanded in terms of Slater type orbital (STO) . In this paper, a Fortran program was designed to solve this lengthy calculation.
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    A Study on Measures on Nonmeasurable Subsets
    (交大學刊編輯委員會, 1974-03)
    林妙英
    ;
    Maiow-Ing Lin
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    An On-Line Circuit Design System
    (交大學刊編輯委員會, 1974-03)
    郭南宏
    ;
    鍾乾癸
    ;
    黃炎松
    ;
    Nan-Hung Kuo
    ;
    Chyan Goei Chung
    The purpose of this paper is two folds: (1)To introduce an on-line computer system for circuit analysis and design, which will be set up in Chiao-Tung University (2) To outline the basic method employed by us for developing an entire software system from system design to mask preparation.
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    A Self-biased Replacement Algorithm using the Characteristics of Markovean Program Model
    (交大學刊編輯委員會, 1974-03)
    鄭武皇
    ;
    許濬
    ;
    Wu-Haung Cheng
    ;
    Jiunn Hsu
    In this paper a self-biased replacement algorithm is developed. The algorithm is mostly suited for allocating system programs and library programs under multiprogramming and/or time-sharing environment. With biasing, the system performance is improved. It is also proved that the algorithm is optimal on macroscopic viewpoint. Since each reference string behaves a static referencing pattern, so it is feasible that the algorithm makes the optimal choice in selecting the candidate for replacement by using the characteristics of Markovean program model. And since in the present time and in the future time , system programs and library programs constitute dorminant part of software system, so it is worthy to develop a replacement algorithm using the characteristics of Markovean program model, although pre-runnings of programs are required.
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    Optimal Singular Control Computation by Epsilon Technique
    (交大學刊編輯委員會, 1974-03)
    李茂全
    ;
    唐明月
    ;
    M.C.Lee
    ;
    M.Y.Tarng
    This paper extends the ε-technique which was proposed by A.V. Balakrishnan in 1968 to optimal singular control problems and shows that the extended technique can solve the singular control problem in a straight- forward way. A set of necessary conditions for optimality by using ε-technique for singular optimal control problems is derived and a computational algorithm is presented.
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    Some Fundamental Problems in the Theory of Queues
    (交大學刊編輯委員會, 1974-03)
    陳華燦
    ;
    Wah-Chun Chan
    The purpose of this article is an attempt to introduce some fundamental ideas and problems to the young engineers and scientists and to draw their attention to the queuing problems which they may encounter in every day life. It is with the hope that the references may provide a minimum guide for one to get into the field of queuing theory. When the population of a city is getting larger, it is natural to expect that the congestion phenomena in many aspects would become more severe. For the study of various types of queuing problems it is the theory of queues to serve as the most valuable means for such investigations.
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    Stability of Nonlinear Systems with Characteristic Equations Having Complex Coefficients
    (交大學刊編輯委員會, 1974-03)
    蔡義從
    ;
    韓光渭
    ;
    Y.T.Tsay
    ;
    K.W.Han
    Stability criteria for nonlinear systems with linearized characteristic equations having complex coefficients are presented. The presented criteria are more general and the proofs are more complete than that in the current literature.
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    On the Modeling of Paging Algorithm by Finite Automata
    (交大學刊編輯委員會, 1974-03)
    楊超植
    ;
    C.C.Yang
    Two finite automata are devised for modeling two classes of demand paging algorithms. The first one of one input and three outputs models the class of algorithms each with a constant amount of allocated space. The second one of one input and six outputs models the class of algorithms each with a variable amount of allocated space. Some evaluation techniques are developed following each model. The memory states of the first class algorithm with the LRU, FIFO or FILO replacement policy or of the second class algorithm like the working set model or the page-turning rate algorithm are recursively defined by strings of the loaded pages. The adopted replacement policy and the state string updating procedure are imbedded in the recursive definition of a memory state. The operations like loading, tagging,reutilizing, etc. are reflected and differentiated by different outputs. Properties of some algorithms are developed. Sime such properties confirm with previous results and some others are updated to fit the finiteness assumtion of a reference string.
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    Effect of Band Structure on Longitudinal Magnetoresistance in Semimetals and Semiconductors
    (交大學刊編輯委員會, 1974-03)
    吳啟宗
    ;
    蔡健三
    ;
    Chhi-Chong Wu
    ;
    Jensan Tsai
    The effect of the Cohen nonellipsoidal nonparabolic (NENP) band structure on the propagation of ultrasound in a semimetal such as bismuth in the presence of a dc magnetic field is investigated by using a quantum-mechanical treatment which is valid at high frequencies and in strong magnetic fields. It is found that the longitudinal magnetoresistance oscillates with the dc magnetic field. This dependence on the dc magnetic field arises from the nonlinear effect of the energy bands owing to the NENP model for the energy band structure of bismuth. We compare these results with those of the ellipsoidal parabolic (EP) band structure of bismuth. We also present numerical results for the nondegenerate and degenerate semiconductors like n-type InSb. It is found that the longitudinal magnetoresistance in the nondehenerate case changes with the dc magnetic field only for the nonparabolic band structure. In the degenerate case, however, the longitudinal magnetoresistance for the parabolic and nonparabolic band structures will oscillate with the dc magnetic field. These oscillations are interpreted as the so-called "giant quantum oscillations " which occur in a degenerate electron gas.