CORDIC II: A New Improved CORDIC Algorithm

In this brief, we present the CORDIC II algorithm. Like previous CORDIC algorithms, the CORDIC II calculates rotations by breaking down the rotation angle into a series of microrotations. However, the CORDIC II algorithm uses a novel angle set, different from the angles used in previous CORDIC algor...

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Bibliographic Details
Published in:IEEE transactions on circuits and systems. II, Express briefs Express briefs, 2016-02, Vol.63 (2), p.186-190
Main Authors: Garrido, Mario, Kallstrom, Petter, Kumm, Martin, Gustafsson, Oscar
Format: Article
Language:English
Subjects:
Adders
Algorithms
Breaking down
Circuits
Convergence
CORDIC
friend angles
Hardware
Kernel
Mathematical analysis
Multiplexing
nano-rotation
rotation
Signal processing algorithms
USR
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Summary:In this brief, we present the CORDIC II algorithm. Like previous CORDIC algorithms, the CORDIC II calculates rotations by breaking down the rotation angle into a series of microrotations. However, the CORDIC II algorithm uses a novel angle set, different from the angles used in previous CORDIC algorithms. The new angle set provides a faster convergence that reduces the number of adders with respect to previous approaches.
ISSN:1549-7747
1558-3791
1558-3791
DOI:10.1109/TCSII.2015.2483422