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DIF Radix2 FFT implementation using embedded MATLAB block

4.2 | 5 ratings Rate this file 4 Downloads (last 30 days) File Size: 343 KB File ID: #22166 Version:
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DIF Radix2 FFT implementation using embedded MATLAB block


Kiran Kintali (view profile)


19 Nov 2008 (Updated )

A Simulink model implementing a DIF FFT algorithm modeled completely using embedded MATLAB blocks.

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Attached zip file contains a Simulink model implementing a high speed Radix2 Decimation in Frequency (DIF) FFT algorithm modeled using embedded MATLAB blocks.
The Simulink model contains two subsystems one with a reference FFT block from Signal processing blockset and other subsystem with the high speed DIF FFT R2 algorithm modeled using embedded MATLAB blocks.

In order to make the streaming interface identical, the behavioral model is placed between Deserialize and Serialize subsystems.

See reference paper in the attached zip file that is used when developing the DIF FFT algorithm using embedded MATLAB blocks.

embedded MATLAB block is a versatile block in Simulink to develop custom algorithms quickly within the Simulink simulation modeling infrastructure;

By using the embeddable subset of MATLAB language in embedded MATLAB block one can quickly verify the timed algorithm behavior in Simulink and then use C or HDL code generation capability to implement the design in s/w or h/w.

Required Products DSP System Toolbox
MATLAB release MATLAB 7.7 (R2008b)
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Comments and Ratings (5)
22 Jan 2013 suha nori

22 Jan 2013 suha nori

29 Apr 2011 Mohan Yellayi

Do you need hdlcoder also to simulate this code? There are also several parameters that need to be set. Where are these defined or set? Thanks

25 Apr 2011 Sang-Seon

thank you

09 Dec 2008 Kiran Kintali

Kiran Kintali (view profile)

I think this is an amazing implementation using Embedded MATLAB.

01 Sep 2016

Updated license

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