EEE324 Digital Signal
Processing
Instructor: Dr Muhammad Fasih Uddin Butt
Changing the sampling rate
using
discrete-time processing
Downsampling/Decimation/Compressor
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Aliasing-Digital Signal Processing-Lecture Slides, Slides of Digital Signal Processing
This lecture is part of lecture series delivered by Dr Muhammad Fasih Uddin Butt for Digital Signal Processing course at COMSATS Institute of Information Technology. Its main points are: Changing, Sampling, Rate, Discrete-time, Processing, Downsampling, Decimation, Compressor, Aliasing, Interpolation
Typology: Slides
2011/2012
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EEE324 Digital Signal
Processing
Instructor: Dr Muhammad Fasih Uddin Butt
Changing the sampling rate
using
discrete-time processing
Downsampling/Decimation/Compressor
Downsampling in time-domain
Downsampling in Frequency-domain
Upsampling
Aliasing and pre-filtering
Upsampling in Time: L-1 Zero insertion
Upsampling in frequency: L-1 images
4.6.3 Changing the Sampling Rate by a
Noninteger Factor
By combining decimation and interpolation it is possible to change the
sampling rate by a noninteger factor.
The interpolation and decimation filter can be combined together.
Sampling rate change by non-integer factor
Example: Sampling rate change by non-integer factor
Changing the Sampling Rate by a Noninteger
Factor (L=2, M=3)