Which of the following actions or devices can restore or rconstruct a discrete-time signal into a continuous-time signal by interpolation method? ( )
A: Anti-aliasing
B: A/D converter
C: Anti-image
D: D/A converter
A: Anti-aliasing
B: A/D converter
C: Anti-image
D: D/A converter
举一反三
- Which of the following can be referred to as a time signal?
- In the time domain， the procedure of restoring the original continuous-time signal from discrete sample values is called_______
- Which of the following can be referred to as a time signal? A: after that B: as a result C: after all D: in a word
- 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
- The A/D converter is used to convert the analog signals to digital signals. For an 8-bit A/D converter with a conversion speed of 1 ms and an analog input range of 0-5V, if a 3.3V analog signal is inputted, the digital signal output should be: A: 168 B: 3.3 C: 168.9 D: 3