| 离散系统卷积和的门函数解析算法 |
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| 引用本文： | 李竹英,李晖.离散系统卷积和的门函数解析算法[J].华中科技大学学报(自然科学版),1991(1). |
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| 作者姓名： | 李竹英 李晖 |
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| 作者单位： | 华中理工大学电力工程系
(李竹英)，华中理工大学电子与信息工程系(李晖) |
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| 摘 要： | 本文提出运用门函数性质求解离散卷积和准确解析式的算法.文中定义了含参量的离散门函数.给出计算法则及通用的计算公式,并举例表明算法的运用.
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| 关 键 词： | 离散时间系统 离散时间信号 卷积和 单位样值响应 |
An Analytic Method for Convolution Sum of Discrete System by Gate Sequence |
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| Li Zhuying Li Hui.An Analytic Method for Convolution Sum of Discrete System by Gate Sequence[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1991(1). |
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| Authors: | Li Zhuying Li Hui |
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| Institution: | Li Zhuying Li Hui |
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| Abstract: | For a linear time-invariant discrete system, suppose its input and unit sample response are respectively e(k)and h(k), then the zero state response of the discrete system will be the convolution sum as follows:A new discrete sequence, the gate function (seguence) containing parameters, can be defined as:In terms of the properties of the gate sequence or the rule of operation, the discrete convolution sum can be written as:It can be concluded that the analytic method is useful and convenient for the discrete convolution sum by gate sequence as far as casual system is concerned. |
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| Keywords: | Discrete-time system Discrete-time signal Convolution sum Unit sample response |
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