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实际上,最简单的数字信号处理系统仅仅包括一个模数转换器(A/D)和一个数模转换器(D/A),但是,在数字领域方面的信号处理部分却需要进行认真的考虑(如图1所示)。
In fact, the simplest digital signal processing system consists of only one analog-to-digital converter (A / D) and one digital-to-analog converter (D / A). However, the signal processing part of the digital realm needs to be carefully considered (As shown in Figure 1).