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CORDIC II: A New Improved CORDIC Algorithm
Linköping University, Department of Electrical Engineering, Computer Engineering. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Electrical Engineering, Computer Engineering. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-1549-482X
University of Kassel, Germany.
Linköping University, Department of Electrical Engineering, Computer Engineering. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0003-3470-3911
2016 (English)In: IEEE Transactions on Circuits and Systems - II - Express Briefs, ISSN 1549-7747, E-ISSN 1558-3791, Vol. 63, no 2, 186-190 p.Article in journal (Refereed) Published
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Abstract [en]

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.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC , 2016. Vol. 63, no 2, 186-190 p.
Keyword [en]
CORDIC; friend angles; nanorotation; rotation; uniformly scaled redundant (USR) CORDIC
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-126139DOI: 10.1109/TCSII.2015.2483422ISI: 000370533000014OAI: oai:DiVA.org:liu-126139DiVA: diva2:912029
Available from: 2016-03-15 Created: 2016-03-15 Last updated: 2017-11-30

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Garrido Gálvez, MarioKällström, PetterGustafsson, Oscar

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