Design and make a set of computer time scale experiment system on 82B Lab desk, include four phase time eletronic level and two phase working pulse.
在 8 2 B型计算机实验台设计制作出一套计算机时标实验系统 ,包括四相节拍电平及两相工作脉冲 ,利用此时标系统可组合出计算机所需要的各种时序信
According to the signal function,analysis of the dynamics of the network is equivalent to discussing four corresponding systems of linear non-homogeneous ordinary differential equations on time scales.
讨论时标上的一类带有McCulloch-Pitts型信号函数的二元神经网络模型的渐进行为,根据信号函数的特点,将模型转化为时标上的4个方程组来考虑,应用时标的微分系统的基本理论,通过对建立的一维映射的迭代规律进行分析,得到该神经网络模型的收敛性。
Considering second order neutral dynamic equation on time scales,sufficient conditions are obtained for oscillation of all solutions of the equation,which extend the corresponding results in the literature.
考虑时标上一类二阶中立型动力方程,给出方程所有解振动一个充分条件,推广了已有文献中的相关结果。
The concurrency control of the database is discussed and a concurrency control algorithm based on timestamp is proposed.
提出了一种新的利用时标进行数据库并发控制的方法,与以前的时标法不同的是,事务的时标在其执行过程中是可变的,一个事务仅当要产生不一致性时才被撤消。
It combines dynamic adjustment of serialization order and using timestamp intervals to minimize the number of transaction restarts.
该文介绍一种新的乐观并发控制算法,它通过结合动态调整串行次序和使用时标间隔来达到减少重新启动事务的目的,因而其性能高于传统的乐观并发控制方法。
In this paper,the implementation method of PFQ which computes one timestamp for every session is investigated,namely OTPS OTPS can reduce greatly the overload of storing and handling timestamps The performance of OTPS is compared with the one of OTPP It shows that OTPS is an efficient method for implementing PFQ The conclusions are supported by simulation result
研究了为每一个连接 (session或connection)维护一个时标的实现方法 ,即OTPS ,可以节省大量的存储及处理时标的开销。
Oscillation, Classification and Existence of Nonoscillatory Solutions of Second-Order Nonlinear Dynamical Equations on Time Scales;
时标上二阶非线性动力方程的振动性和非振动解的分类与存在性
In this paper,with the discussion of the asymptotic behavior of planar linear autonomous system on time scales,we get some criteria on time scales as the equilibrium classification of planar linear autonomous system,and finally conclude that the criteria can unify the asymptotic properties of the original continuous and difference functions.
本文讨论了平面时标线性自治系统的渐近行为,得到一些在时标意义下类似于平面线性自治系统奇点分类的新准则,并指出该准则可以将连续和离散方程的渐近行为统一。
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