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Computer Program Detail Page

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written by Juan Aguirregabiria
edited by Wolfgang Christian
The Ejs Doppler Effect model displays the detection of sound waves from a moving source and the change in frequency of the detected wave via the Doppler effect. In addition to the wave fronts from the source a graph depicting the time of emission and time of detection of each of the wave fronts is given.  The speed of sound, the velocity of the source and the position and velocity of the detector can be changed via text boxes.  You can modify this simulation if you have Ejs installed by right-clicking within the plot and selecting "Open Ejs Model" from the pop-up menu item.  

Ejs Doppler Effect model was created using the Easy Java Simulations (Ejs) modeling tool.  It is distributed as a ready-to-run (compiled) Java archive.  Double clicking the ejs_ehu_waves_doppler.jar file will run the program if Java is installed.  Ejs is a part of the Open Source Physics Project and is designed to make it easier to access, modify, and generate computer models.  Additional Ejs models for wave optics are available.  They can be found by searching ComPADRE for Open Source Physics, OSP, or Ejs.

Please note that this resource requires at least version 1.5 of Java (JRE).
View the source code document attached to this resource
Subjects Levels Resource Types
Oscillations & Waves
- Wave Motion
= Doppler Effect
- Lower Undergraduate
- High School
- Instructional Material
= Activity
= Curriculum support
= Interactive Simulation
Intended Users Formats Ratings
- Educators
- Professional/Practitioners
- Learners
- application/java
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Access Rights:
Free access
Restriction:
© 2008 Juan M. Aguirregabiria
Additional information is available.
Keywords:
Doppler, Doppler effect, Easy Java Simulations, Ejs, OSP, Open Source Physics
Record Creator:
Metadata instance created August 19, 2008 by Mario Belloni
Record Updated:
June 5, 2014 by Andreu Glasmann
Last Update
when Cataloged:
August 18, 2008
ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
J. Aguirregabiria, Computer Program EJS DOPPLER EFFECT MODEL, Version 1.0 (2008), WWW Document, (http://www.compadre.org/Repository/document/ServeFile.cfm?ID=7902&DocID=678).
AJP/PRST-PER
J. Aguirregabiria, Computer Program EJS DOPPLER EFFECT MODEL, Version 1.0 (2008), <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=7902&DocID=678>.
APA Format
Aguirregabiria, J. (2008). Ejs Doppler Effect Model (Version 1.0) [Computer software]. Retrieved July 31, 2014, from http://www.compadre.org/Repository/document/ServeFile.cfm?ID=7902&DocID=678
Chicago Format
Aguirregabiria, Juan. "Ejs Doppler Effect Model." Version 1.0. http://www.compadre.org/Repository/document/ServeFile.cfm?ID=7902&DocID=678 (accessed 31 July 2014).
MLA Format
Aguirregabiria, Juan. Ejs Doppler Effect Model. Vers. 1.0. Computer software. 2008. Java (JRE) 1.5. 31 July 2014 <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=7902&DocID=678>.
BibTeX Export Format
@misc{ Author = "Juan Aguirregabiria", Title = {Ejs Doppler Effect Model}, Month = {August}, Year = {2008} }
Refer Export Format

%A Juan Aguirregabiria
%T Ejs Doppler Effect Model
%E Wolfgang Christian, (ed)
%D August 18, 2008
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=7902&DocID=678
%O 1.0
%O application/java

EndNote Export Format

%0 Computer Program
%A Aguirregabiria, Juan
%D August 18, 2008
%T Ejs Doppler Effect Model
%E Christian, Wolfgang
%7 1.0
%8 August 18, 2008
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=7902&DocID=678


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Ejs Doppler Effect Model:

Covers the Same Topic As Ejs Open Source 1 Dimension Doppler Effect Sound Wave Java Applet

a remix by lookang based on Fu-Kwun Hwang original codes http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=1997.0 with ideas by Juan Aguirregabiria and Andrew Duffy

relation by wee lookang

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