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Information Network Security Administration
Intelligence Technology Excellence Division
Signal Analysis Team
October, 2022
Group Task Presentation on:
Analog to Digital and Digital to Analog Conversion
Processes
Outline
 Signal Sampling
 Quantization
 Coding
 Digital Signal Processing
 Digital to Analog Conversion
 MATLAB Implementations
Signal processing
The objective of signal processing is to extract the useful information carried by the
signal
Analog Signal Processing (ASP)
Digital Signal Processing (DSP)
1
Analog-to-Digital Conversion Process
2
Sampling Quantizing Coding
Recording the continuous
signal at discrete instant of
times.
Represent each levels of
sampled points to a fixed
finite set (levels)
Mapping the discrete levels
of quantized levels to a
codeword.
Digital-to-Analog Conversion Processes
3
Digital
Signal
Zero-order
Hold
Sampler
Re-
constructing
Filter
THANK YOU!

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Group Task Presentation.pptx