The quantization process
____.
A: converts the
sample-and-hold output to binary code
B: converts a sample impulse
to a level
C: converts a sequence of
binary codes to a reconstructed analog signal
D: filters out unwanted
frequencies before sampling takes place
____.
A: converts the
sample-and-hold output to binary code
B: converts a sample impulse
to a level
C: converts a sequence of
binary codes to a reconstructed analog signal
D: filters out unwanted
frequencies before sampling takes place
举一反三
- Generally,<br/>an analog signal can be reconstructed more accurately with ( ) A: more<br/>quantization levels B: fewer<br/>quantization levels C: a<br/>higher sampling frequency D: a<br/>lower sampling frequency
- What are two steps that are taken when a router converts a voice signal from analog to digital form？（） A: sampling B: packetization C: quantization D: serialization
- The<br/>process which requires the calculation of an interval and then<br/>selects the items based on the size of the interval is ( <br/>) A: statistical<br/>sampling. B: random<br/>sample selection. C: systematic<br/>sample selection. D: computerized<br/>sample selection.
- Counter<br/>sample can also be called _____________.() A: duplicate<br/>sample B: sealed<br/>sample C: confirmed<br/>sample D: contracted<br/>sample
- Engine<br/>crankshaft and connecting rod assembly is one of the assemblies in<br/>the engine. It converts ( ) energy into mechanical energy used to<br/>drive the vehicle. A: chemical B: thermal C: physical D: electrical