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信号valuessignal取值 | 教育系统应用 2022-08-09 56 0star收藏 版权: . 保留作者信息 . 禁止商业使用 . 禁止修改作品
自变量取离散值,参量取有限个通过量化的离散值的信号叫做数字信号。实践使用中的数字信号通常是只需两个取值“0”和“1”的脉冲序列。模拟信号和数字信号的本质区别在于:模拟信号的取值为无限多个,而数字信号为有限个取值,通常只需“0”和“1”两个值。

(The independent variable takes discrete values, and the parameter takes a finite number of discrete values ??through quantization, which is called a digital signal. A digital signal in practical use is usually a sequence of only two pulses with the values ??"0" and "1". The essential difference between an analog signal and a digital signal is that an analog signal can take an infinite number of values, while a digital signal can take a finite number of values, usually only two values ??of "0" and "1".)

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