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www.buaa.edu.cn
Digital Signal Processing(Introduction)
Dr. Sun Bing School of EIEBeihang University
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Contents
What is DSP?Why do we learn DSP?About this courseApplication of
DSPPosition in general system
11
22
33
44
55
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Contents
What is DSP?Why do we learn DSP?About this courseApplication of
DSPPosition in general system
11
22
33
44
55
-
1.Whats DSP
SignalA physical term that conveys some information
Signal ProcessingRepresentation, transformation and manipulation
of signals and their information
DSP Digital Signal ProcessingRelative to Analog Signal
Processing Discrete-Time Signal ProcessingRelative to
Continuous-Time Signal Processing
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Contents
What is DSP?Why do we learn DSP?About this courseApplication of
DSPPosition in general system
11
22
33
44
55
-
2 Why do we learn DSP?4DSP is very common around all of us.
Computer, Mobile, DVD, Digital cameral4Digital systems/devices
have many
advantage.Flexible, high reliability4Developments of
microelectronics and
computer promote the widespread application of DSP.
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2 Why do we learn DSP?4 DSP is a necessary professional
course
for the students of telecommunication engineering, electronics
information engineering.
9 Give students the basic concepts of digital signal
processing;9 Understand the characteristics of FIR system & IIR
system;9 Improve the capability to process different kinds of
digital
signals by programming with a simulation software toolkit by the
students themselves.
Its very useful for us to learn DSP course.
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Contents
What is DSP?Why do we learn DSP?About this courseApplication of
DSPPosition in general system
11
22
33
44
55
-
3 About this course43.1 Pre-request Courses43.2 Course
Contents43.3 Teaching material43.4 References43.5 Assessment
Email: [email protected]: beihang2009
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3.1 Pre-request Courses
4 Higher Mathematics4 Complex Variable Function4 Signal and
System4 C Program Design4 Matlab Programming
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3.2 Contents of CourseBasic concepts of digital signal
processing. 9 chapters:
1. Introduction to digital signal processing. The application
and role of DSP; The course arrangement.2. Discrete-Time Signal and
System. The definition of Discrete-Time Signal and System; The
introduction of typical Discrete-Time Signal; Representation of
sequences by Fourier transform; Fourier transform theorems.
(to be continued)
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3.2 Contents of Course(continued)3. Z-Transform The definition
of Z-Transform & Inverse Z-Transform; The characteristics of
Z-Transform.4. Sampling of Continuous-Time Signal. Periodical
sample, the frequency expression; The signal reconstruction and
sample theorem.5. Transform Analysis of LTI System. The frequency
response of LTI systems; System functions.
(to be continued)
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3.2 Contents of Course(continued)
6. Structure for Discrete-Time Systems. Block diagram
representation of linear constant-coefficient
difference equations; Signal flow graph representation of linear
constant-coefficient
difference equations; Structures for IIR systems; Structures for
FIR systems.7. Discrete-Time Filter Design Techniques. IIR filter
design method; FIR filter design method; The comparison of IIR and
FIR.
(to be continued)
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3.2 Contents of Course(continued)
8. Discrete Fourier Transform. The definition of Discrete
Fourier Transform Inverse Discrete Fourier Transform. Line
convolution and periodical convolution.9. Fast Computation of The
Discrete Fourier
Transform. The computation analysis of DFT. Theory of Fast
Fourier Transformation. FFT time domain extraction algorithm. FFT
frequency domain extraction algorithm.
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3.3 Teaching material
Discrete-time Signal Processing.
Alan V. Oppenheim, Ronald W. Schafer and John R. Buck. 2005.
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3.4 References
4 Digital Signal Processing: An overview of basic
principles.Jack, Cartinbour. Upper Saddle River: Prentice Hall
2000.
4 Digital Signal Processing. William. D. Stanley, Gary. R.
Dougherty, Ray. Dougherty. Reston Pub. Co. 1984.
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3.5 Assessment
Combined by teaching in class and exercise on computer4Exercise
on computer is the application of teaching contents4It can train
the students to solve the practical problems
Attendance (20%) + Paper (80%)
NOTICE!Assignment with Computer based simulation program is very
important for students
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Contents
What is DSP?Why do we learn DSP?About this courseApplication of
DSPPosition in general system
11
22
33
44
55
-
4 Application of DSP
4 By techniquesClassification
Detection
Prediction
Compression
Noise cancellation
Equalization
Deconvolution
Restoration
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4 Application of DSP4 By areas
Speech/audio
Image/video
Communication
Radar/sonar
Biomedical signal
Geophysics
Seismic data
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Contents
What is DSP?Why do we learn DSP?About this courseApplication of
DSPPosition in general system
11
22
33
44
55
-
5 Position in general system
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www.buaa.edu.cn
Thanks Thanks
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