Generally,
an analog signal can be reconstructed more accurately with ( )
A: more
quantization levels
B: fewer
quantization levels
C: a
higher sampling frequency
D: a
lower sampling frequency
an analog signal can be reconstructed more accurately with ( )
A: more
quantization levels
B: fewer
quantization levels
C: a
higher sampling frequency
D: a
lower sampling frequency
举一反三
- Generally, an analog signal can be reconstructed more accurately with A: more quantization levels B: fewer quantization levels C: a higher sampling frequency D: a lower sampling frequency E: either answer (a) or (c)
- Generally speaking, the higher the sound quality is required, the higher the quantization level and the lower the sampling frequency is.
- Generally speaking, the higher the sound quality is required, the higher the quantization level and the lower the sampling frequency is. A: 正确 B: 错误
- The quantization process<br/>____. A: converts the<br/>sample-and-hold output to binary code B: converts a sample impulse<br/>to a level C: converts a sequence of<br/>binary codes to a reconstructed analog signal D: filters out unwanted<br/>frequencies before sampling takes place
- Which<br/>of the following can be used as the Y-axis of the bar chart? () A: frequency B: relative<br/>frequency C: relative<br/>frequency density D: values<br/>of a variable