Howtosignalprocessing
- What is difference between interpolation and decimation?
- What is the difference between decimation and downsampling?
- What is the importance of decimation for a given signal sequence?
- Is decimation and interpolation linear?
What is difference between interpolation and decimation?
Decimation and interpolation are the two basic building blocks in the multirate digital signal processing systems. The decimator is utilized to decrease the sampling rate and interpolator to increase the sampling rate.
What is the difference between decimation and downsampling?
Loosely speaking, “decimation” is the process of reducing the sampling rate. In practice, this usually implies lowpass-filtering a signal, then throwing away some of its samples. “Downsampling” is a more specific term which refers to just the process of throwing away samples, without the lowpass filtering operation.
What is the importance of decimation for a given signal sequence?
The decimation accomplishes a reduction of the sampling rate by a factor of a given signal after this signal passes through an. The subsampler is represented in Fig. 3.1 by a circle containing the integer number and a downward arrow.
Is decimation and interpolation linear?
From a digital signal processing point of view, both the pro- cesses of interpolation and decimation can be well formulated in terms of linear filtering operations.
