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Online Laboratory Sessions in System Design with DSPs using the R-DSP Lab

Published on Jun 8, 2014in International Journal of Online Engineering
· DOI :10.3991/ijoe.v10i4.3270
Athanasios Kalantzopoulos4
Estimated H-index: 4
(University of Patras),
E. Zigouris7
Estimated H-index: 7
(University of Patras)
Abstract
The education of students in the design of DSP (Digital Signal Processor) based systems is achieved through courses including lectures and laboratory sessions. Traditionally, the laboratory sessions take place in the hands-on laboratories and the physical presence of both students and instructors is required. This paper presents the online conduction of the System Design with DSPs postgraduate course's laboratory sessions utilizing the R-DSP Lab (Remote Digital Signal Processors Laboratory). This interactive RL (Remote Laboratory) allows the students to verify their DSP applications which are written by them in C and/or assembly programming language without time and place restrictions. It also supports the remote control of the available laboratory equipment through an internet accessible and user-friendly control environment. However, the most important feature of the R-DSP Lab which is proposed in this paper, is the remote control of student's DSP applications through GUIs (Graphical User Interfaces) developed by them. This feature is demonstrated through an example concerning the implementation and verification processes of a real-time DTMF (Dual Tone Multi Frequency) encoder/decoder. In this example the DSP application is remotely controlled through a LabVIEW based GUI developed by the students following the instructions of the corresponding laboratory session. The assessment and evaluation of both the System Design with DSPs laboratory sessions and the R-DSP Lab are also discussed in this paper.
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The paper presents the approach of designing a virtual laboratory which can be used for classroom studying and for distance learning. Such virtual works are a good alternative to highly expensive microwave measurement equipment. The software package was written in C++. The testing results of applying virtual laboratory for radiophysics measurements are considered.
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#1D. S. GubskyH-Index: 4
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#1D. S. Gubsky (SFedU: Southern Federal University)H-Index: 4
#2V. V. Zemlyakov (SFedU: Southern Federal University)H-Index: 4
AbstractA novel approach to computer simulator development of microwave measurement equipment is presented. The main feature of the software is an interface of the simulator, which is an interactive image of the real equipment allowing to manipulate the keys and other elements of the front panel by the computer mouse. For the measurement procedure, the simulator allows to use analytical formulas or upload the data from the computer models of the microwave devices and from the real measurements i...
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#1D. S. Gubsky (SFedU: Southern Federal University)H-Index: 4
#2V. V. Zemlyakov (SFedU: Southern Federal University)H-Index: 3
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#1Abhinav DixitH-Index: 1
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Oct 1, 2017 in FIE (Frontiers in Education Conference)
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#2A. B. Kleshchenkov (SFedU: Southern Federal University)H-Index: 1
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The method of computer simulation of microwave devices and special laboratory workshops is described. Simulated laboratory has a module structure. The basis for constructing a model of the specific workshop is a concept of the abstract “device” with layout is identical to the installation of a real one. The software interface allows changing the configuration and frequency tags to carry out all necessary measuring characteristics.
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