In the time domain， the procedure of restoring the original continuous-time signal from discrete sample values is called_______
举一反三
- If the spectrum of a signal is discrete and periodic, then the corresponding time domain signal is_____. ( ) A: continue and periodic B: continue and aperiodic C: discrete and periodic D: discrete and aperiodic
- Comparing with an analog signal assuming a continuous range of values, a digital signal assumes discrete values, usually two permitted values.
- what is an analog signal? A: Analog signal is a continous values B: Analog signal is a discrete values C: Analog signal is sometimes continous,sometimes discrete
- The filtered signal will have a time delay compared with the original signal. ( )
- The filtered signal will have a time delay compared with the original signal. ( ) A: 正确 B: 错误