Multirate Digital Signal Processing Flashcards
1
Q
The two basic operations in a multirate system are _____ and ______ the sampling-rate of a signal.
A
decreasing (decimation) and increasing (interpolation)
2
Q
__________ ________ have gained popularity since the early ____ and they are commonly used for audio and video processing, communications systems, and transform analysis to name a few.
A
Multirate systems; 1980
3
Q
____ can be regarded as the discrete-time counterpart of sampling.
A
Decimations
4
Q
____ is the exact opposite of decimation.
A
Interpolation
5
Q
The replicas are removed by a digital low-pass filter called an _____.
A
Anti-imaging filter
6
Q
The analysis of decimation and expansion is better understood by assessing their respective frequency spectrums using the _________ _________.
A
Fourier Transform
