The following statements about the sampling is incorrect. （ ）
A: Sampling is a bridge between continuous-time signals and discrete-time signals.
B: Sampling is a bridge between continuous-time system and discrete-time system.
C: Sampling is a bridge between discrete-time signals and discrete-time system.
D: Sampling is a bridge between the various analytical tools of the continuous-time version and discrete-time version.
A: Sampling is a bridge between continuous-time signals and discrete-time signals.
B: Sampling is a bridge between continuous-time system and discrete-time system.
C: Sampling is a bridge between discrete-time signals and discrete-time system.
D: Sampling is a bridge between the various analytical tools of the continuous-time version and discrete-time version.
举一反三
- Continuous time signal [img=147x25]1803a1dcf5c7cbf.png[/img], t in seconds. After sampling, a discrete-time sequence is obtained as [img=117x39]1803a1dcfee5a0b.png[/img] , then the sampling frequency is A: 4000Hz B: [img=60x43]1803a1dd082ce72.png[/img] C: 8000 Hz D: 2000 Hz
- In the time domain， the procedure of restoring the original continuous-time signal from discrete sample values is called_______
- It"s about time parents ______ the gaps between them and their children. A: bridged B: bridge C: have bridged D: will bridge
- what is a digital signal? () A: discrete signals B: continuous signals C: both of a and b D: signals exist in the world
- Analog signals are characterized by continuous electrical signals in both time and value. A: Correct B: Wrong