If, as in sampling or digital systems, some elemental equations are defined or used only at discrete points in time, a discrete-time system is the result.
而假如，在采样问题或数字系统中常见这种情况，有些基础方程仅定义于，或仅能应用于离散的时间点上，这就导致了离散时间系统。
Since the decimation of discrete time signals is similar to the sampling of continuous signals, it is also studied in the thesis.
鉴于对离散信号的抽取和对连续信号的采样非常相似，本文还把研究范围拓展到了对离散信号的抽取问题。
This model utilizes discrete sampling points as input directly, and convolution sum to deal with time accumulation process.
该模型以离散样本作为直接输入，采用卷积和算法实现对时间累积效应的处理。
This model utilizes discrete sampling points as input directly, and convolution sum to deal with time accumulation process.
该模型以离散样本作为直接输入，采用卷积和算法实现对时间累积效应的处理。
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