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The Java Dsp Phase 3 Project: An Interdisciplinary Multiuniversity Effort

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2009 Annual Conference & Exposition


Austin, Texas

Publication Date

June 14, 2009

Start Date

June 14, 2009

End Date

June 17, 2009



Conference Session

NSF Grantees Poster Session

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Page Numbers

14.1232.1 - 14.1232.9



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Paper Authors

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Andreas Spanias Arizona State University

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Linda Hinnov Johns Hopkins University

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Michael Stiber University of Washington, Bothell

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Marios Pattichis University of New Mexico

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Costas Pattichis University of Cyprus

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Cajetan Akujuobi Prairie View A&M University

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Shalin Mehta Arizona State University

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Ed Doering Rose-Hulman Institute of Technology


Raja Ayyanar Arizona State University

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Rajapandian Ayyanar joined the ASU faculty as an assistant professor in August 2000. He received a BE in electrical engineering from P.S.G. College of Technology, India in 1989; an MS in power electronics from the Indian Institute of Science in 1995; and a PhD in power electronics from the University of Minnesota in 2000. He has published over 50 journal and conference papers in the area of switch mode power electronics and holds two U.S. patents. Dr. Ayyanar was awarded the ONR Young Investigator Award in 2005.

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Karthikeyan Ramamurthy Arizona State University

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Harvey Thornburg Arizona State University

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NOTE: The first page of text has been automatically extracted and included below in lieu of an abstract

THE JAVA-DSP PHASE 3 PROJECT; AN INTERDISCIPLINARY MULTI-UNIVERSITY EFFORT 1. Introduction Java-Digital Signal Processing (J-DSP) is a web-based, platform-independent, visual programming environment that enables users to perform online signal processing calculations and simulations1. It is based on an object-oriented programming environment that allows students and practitioners to run simulations over the Internet. Simulations can be performed in the intuitive graphical interface of J-DSP by placing and connecting “blocks” to establish signal and data flow. Students can also visualize the results interactively in the simulation environment. Original J-DSP functionality included algorithms for signal processing2, imaging3, controls4, time-frequency analysis5 and communications applications6.

This paper presents our plans in the NSF CCLI Phase 3 project which are aimed at developing, disseminating and assessing several new J-DSP capabilities. By engaging a total of seven universities in the development and assessment of software and course content, we extend the utility of J-DSP to several disciplines including Electrical Engineering, Earth Sciences, Biomedical Engineering, Power Engineering, and Arts and Media. The key outcomes of the CCLI phase 2 project included a) upgrades to the J-DSP GUI, b) extensions in the signal processing functionality of J-DSP, c) on-line laboratory exercise development, and d) dissemination and assessment and a pilot test of a new multi-site laboratory concept that allows students in the five universities to run real time distributed on-line simulations. Results of the Phase 2 project have been published mainly for Electrical Engineering courses and applications1-6. In addition, a book that uses J-DSP for online laboratory exercises has been published7 and is used in two courses at Arizona State University. The phase 3 multidisciplinary NSF CCLI project is a collaborative project involving Arizona State University (ASU), Johns Hopkins University (JHU), University of Washington Bothell (UWB), and Prairie View A&M University (PVAMU). In addition to these four institutions that are a part of the formal NSF research collaborative structure, the project also involves sponsored partnerships with Rose- Hulman Institute of Technology (RHIT), University of New Mexico (UNM), and University of Cyprus (UCY). Other partnerships through the collaborating institutions have also been organized with the University of Texas at Austin and the University of Padova.

Spanias, A., & Hinnov, L., & Stiber, M., & Pattichis, M., & Pattichis, C., & Akujuobi, C., & Mehta, S., & Doering, E., & Ayyanar, R., & Ramamurthy, K., & Thornburg, H. (2009, June), The Java Dsp Phase 3 Project: An Interdisciplinary Multiuniversity Effort Paper presented at 2009 Annual Conference & Exposition, Austin, Texas. 10.18260/1-2--5266

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