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Educational Matlab GUIs
On this page are Graphical User Interfaces developed by the members of the Center for Signal and Image Processing (CSIP), a part of the School of Electrical and Computer Engineering at the Georgia Institute of Technology.
(updated 2-Jan-2008 for MATLAB version 7.2, some GUIs work on earlier versions of MATLAB)
Most of these GUIs also appear in the textbook Signal Processing First,
published by Prentice Hall Inc. / A Pearson Education Company / Upper Saddle River, New Jersey 07458
Filter Design Demo
The Filter Design Demo is a program that designs simple FIR and IIR digital filters, along with tutorial visualizations of the filter design process. Features:
Parks-McClellan FIR Design showing the iterations of the Remez Exchange method
FIR Design with many different window types
IIR Design of Butterworth filters
Numerous plot options: magnitude/phase response, pole-zero diagram, and impulse response
MATLAB Command Name: filterdesign
Download: Filter Design Demo (Version 2.66)
Requirements: Matlab 7.2 or greater
Tested on: UNIX, Windows and Macintosh
Last update: 2-Jan-08
PEZdemo
PEZdemo allows the user to select the poles and zeros of a system and then change those poles and zero dynamically. The z-plane, Fourier domain and time-domain are all updated simultaneously.
MATLAB Command Name: pezdemo
Download: PEZdemo (Version 2.84)
Requirements: Matlab 6.0 or greater
Tested on: Windows
Last update: 2-Jan-08
FourierSeries
FourierSeriesDemo is a GUI that shows Fourier Series synthesis for different number of Fourier coefficients. Different signals can be selected: square wave, sawtooth, triangle and rectified sinusoids.
MATLAB Command Name: fseriesdemo
Download: FourierSeriesDemo (Version 1.20)
Requirements: Matlab 5.2.1 or greater
Tested on: Windows
Last update: 30-Mar-06
PhasorRaces
PhasorRaces began as a speed drill for testing complex addition. Now it includes many other related operations that can be tested in a "drill" scenario: adding sinusoids, z-transforms, etc. A timer starts as soon as the problem is posed, so that a student can try to solve questions quickly and accurately.
MATLAB Command Name: phrace
Download: PhasorRaces (Version 1.13)
Requirements: Matlab 5.2.1 or greater
Tested on: Windows
Last update: 30-Mar-06
SinDrill
SinDrill is a program that tests the users ability to determine basic parameters of a sinusoid. After a plot of a sinusoid is displayed, the user must correctly guess its amplitude, frequency, and phase.
MATLAB Command Name: sindrill
Download: SinDrill (Version 2.09)
Requirements: Matlab 5.1 or greater
Tested on: UNIX, Windows and Macintosh
Last update: 30-Mar-06
ZDrill
ZDrill is a program that tests the users ability to calculate the result of simple operations on complex numbers. The program emphasizes the vectorial view of a complex number. The following six operations are supported:
Add
Subtract
Multiply
Divide
Inverse
Conjugate
MATLAB Command Name: zdrill
Download: ZDrill (Version 2.10)
Requirements: Matlab 5.1 or greater
Tested on: UNIX, Windows and Macintosh
Last update: 30-Mar-06
CLTIDemo
CLTIDemo is a program that illustrates the relationship between the input and output of a continuous-time linear time-invariant (LTI) filter when the input is a sinusoidal signal. The user is allowed to control the parameters of both the input sinusoid and the analog LTI filter.
MATLAB Command Name: cltidemo
Download: CLTIDemo (Version 2.51)
Requirements: Matlab 5.1 or greater
Tested on: UNIX, Windows and Macintosh
Last update: 30-Mar-06
DLTIDemo
DLTIDemo is a program that illustrates the relationship between the input and output of a discrete-time linear time-invariant (LTI) filter when the input is a sinusoidal signal. The user is allowed to control the parameters of both the input sinusoid and the digital filter.
MATLAB Command Name: dltidemo
Download: DLTIDemo (Version 2.40)
Requirements: Matlab 5.1 or greater
Tested on: UNIX, Windows and Macintosh
Last update: 30-Mar-06
Continuous-Discrete Sampling Demo
The Continuous-Discrete Sampling Demo is a program that shows the continuous and discrete spectra (and signals) during sampling. Features:
Users can change the input frequency and sampling rate.
Frequency axis can be labeled in hertz or radians/sec.
Reconstruction through D/A is also shown.
MATLAB Command Name: con2dis
Download: Continuous-Discrete Sampling Demo (Version 2.00)
Requirements: Matlab 5.3 or greater (not yet tested on Macintosh)
Tested on: UNIX, Windows
Last update: 30-Mar-06
Discrete Convolution Demo
The Discrete Convolution Demo is a program that helps visualize the process of discrete-time convolution. Features:
Users can choose from a variety of different signals.
Signals can be dragged around with the mouse with results displayed in real-time.
Tutorial mode lets students hide convolution result until requested.
Various plot options enable the tool to be effectively used as a lecture aid in a classroom environment.
MATLAB Command Name: dconvdemo
Download: Discrete Convolution Demo (Version 3.07)
Requirements: Matlab 5.2.1 or greater
Tested on: UNIX, Windows and Macintosh
Last update: 2-Jan-08
Continuous Convolution Demo
The Continuous Convolution Demo is a program that helps visualize the process of continuous-time convolution. Features:
Users can choose from a variety of different signals.
Signals can be dragged around with the mouse with results displayed in real-time.
Tutorial mode lets students hide convolution result until requested.
Various plot options enable the tool to be effectively used as a lecture aid in a classroom environment.
MATLAB Command Name: cconvdemo
Download: Continuous Convolution Demo (Version 2.12)
Requirements: Matlab 5.2.1 or greater
Tested on: UNIX, Windows and Macintosh
Last update: 2-Jan-08
Download Link
http://users.ece.gatech.edu/mcclella/matlabGUIs/
On this page are Graphical User Interfaces developed by the members of the Center for Signal and Image Processing (CSIP), a part of the School of Electrical and Computer Engineering at the Georgia Institute of Technology.
(updated 2-Jan-2008 for MATLAB version 7.2, some GUIs work on earlier versions of MATLAB)
Most of these GUIs also appear in the textbook Signal Processing First,
published by Prentice Hall Inc. / A Pearson Education Company / Upper Saddle River, New Jersey 07458
Filter Design Demo
The Filter Design Demo is a program that designs simple FIR and IIR digital filters, along with tutorial visualizations of the filter design process. Features:
Parks-McClellan FIR Design showing the iterations of the Remez Exchange method
FIR Design with many different window types
IIR Design of Butterworth filters
Numerous plot options: magnitude/phase response, pole-zero diagram, and impulse response
MATLAB Command Name: filterdesign
Download: Filter Design Demo (Version 2.66)
Requirements: Matlab 7.2 or greater
Tested on: UNIX, Windows and Macintosh
Last update: 2-Jan-08
PEZdemo
PEZdemo allows the user to select the poles and zeros of a system and then change those poles and zero dynamically. The z-plane, Fourier domain and time-domain are all updated simultaneously.
MATLAB Command Name: pezdemo
Download: PEZdemo (Version 2.84)
Requirements: Matlab 6.0 or greater
Tested on: Windows
Last update: 2-Jan-08
FourierSeries
FourierSeriesDemo is a GUI that shows Fourier Series synthesis for different number of Fourier coefficients. Different signals can be selected: square wave, sawtooth, triangle and rectified sinusoids.
MATLAB Command Name: fseriesdemo
Download: FourierSeriesDemo (Version 1.20)
Requirements: Matlab 5.2.1 or greater
Tested on: Windows
Last update: 30-Mar-06
PhasorRaces
PhasorRaces began as a speed drill for testing complex addition. Now it includes many other related operations that can be tested in a "drill" scenario: adding sinusoids, z-transforms, etc. A timer starts as soon as the problem is posed, so that a student can try to solve questions quickly and accurately.
MATLAB Command Name: phrace
Download: PhasorRaces (Version 1.13)
Requirements: Matlab 5.2.1 or greater
Tested on: Windows
Last update: 30-Mar-06
SinDrill
SinDrill is a program that tests the users ability to determine basic parameters of a sinusoid. After a plot of a sinusoid is displayed, the user must correctly guess its amplitude, frequency, and phase.
MATLAB Command Name: sindrill
Download: SinDrill (Version 2.09)
Requirements: Matlab 5.1 or greater
Tested on: UNIX, Windows and Macintosh
Last update: 30-Mar-06
ZDrill
ZDrill is a program that tests the users ability to calculate the result of simple operations on complex numbers. The program emphasizes the vectorial view of a complex number. The following six operations are supported:
Add
Subtract
Multiply
Divide
Inverse
Conjugate
MATLAB Command Name: zdrill
Download: ZDrill (Version 2.10)
Requirements: Matlab 5.1 or greater
Tested on: UNIX, Windows and Macintosh
Last update: 30-Mar-06
CLTIDemo
CLTIDemo is a program that illustrates the relationship between the input and output of a continuous-time linear time-invariant (LTI) filter when the input is a sinusoidal signal. The user is allowed to control the parameters of both the input sinusoid and the analog LTI filter.
MATLAB Command Name: cltidemo
Download: CLTIDemo (Version 2.51)
Requirements: Matlab 5.1 or greater
Tested on: UNIX, Windows and Macintosh
Last update: 30-Mar-06
DLTIDemo
DLTIDemo is a program that illustrates the relationship between the input and output of a discrete-time linear time-invariant (LTI) filter when the input is a sinusoidal signal. The user is allowed to control the parameters of both the input sinusoid and the digital filter.
MATLAB Command Name: dltidemo
Download: DLTIDemo (Version 2.40)
Requirements: Matlab 5.1 or greater
Tested on: UNIX, Windows and Macintosh
Last update: 30-Mar-06
Continuous-Discrete Sampling Demo
The Continuous-Discrete Sampling Demo is a program that shows the continuous and discrete spectra (and signals) during sampling. Features:
Users can change the input frequency and sampling rate.
Frequency axis can be labeled in hertz or radians/sec.
Reconstruction through D/A is also shown.
MATLAB Command Name: con2dis
Download: Continuous-Discrete Sampling Demo (Version 2.00)
Requirements: Matlab 5.3 or greater (not yet tested on Macintosh)
Tested on: UNIX, Windows
Last update: 30-Mar-06
Discrete Convolution Demo
The Discrete Convolution Demo is a program that helps visualize the process of discrete-time convolution. Features:
Users can choose from a variety of different signals.
Signals can be dragged around with the mouse with results displayed in real-time.
Tutorial mode lets students hide convolution result until requested.
Various plot options enable the tool to be effectively used as a lecture aid in a classroom environment.
MATLAB Command Name: dconvdemo
Download: Discrete Convolution Demo (Version 3.07)
Requirements: Matlab 5.2.1 or greater
Tested on: UNIX, Windows and Macintosh
Last update: 2-Jan-08
Continuous Convolution Demo
The Continuous Convolution Demo is a program that helps visualize the process of continuous-time convolution. Features:
Users can choose from a variety of different signals.
Signals can be dragged around with the mouse with results displayed in real-time.
Tutorial mode lets students hide convolution result until requested.
Various plot options enable the tool to be effectively used as a lecture aid in a classroom environment.
MATLAB Command Name: cconvdemo
Download: Continuous Convolution Demo (Version 2.12)
Requirements: Matlab 5.2.1 or greater
Tested on: UNIX, Windows and Macintosh
Last update: 2-Jan-08
Download Link
http://users.ece.gatech.edu/mcclella/matlabGUIs/