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- Chen, HuiNanjing Univ, Sch Elect Sci & Engn, Nanjing, Peoples R China. (author)
A General Methodology and Architecture for Arbitrary Complex Number Nth Root Computation
- Article/chapterEnglish2021
Publisher, publication year, extent ...
- Institute of Electrical and Electronics Engineers (IEEE),2021
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Numbers
- LIBRIS-ID:oai:DiVA.org:kth-304797
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-304797URI
- https://doi.org/10.1109/ISCAS51556.2021.9401720DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- Part of proceedings: ISBN 978-1-7281-9201-7QC 20211123
- As the existing complex number Nth root computation methods are relatively discrete, we propose a general method and architecture based on coordinate rotation digital computer (CORDIC) to compute arbitrary complex number Nth root for the first time. Our method performs the tasks of computing complex modulus, complex phase angle, real Nth root, sine function and cosine function, which can be implemented by circular CORDIC, linear CORDIC and hyperbolic CORDIC. Based on these CORDICs, our proposed architecture can not only improve the hardware efficiency just through shift-add operations, but also flexibly adjust the precision and the input range of complex number Nth root. To prove its feasibility, we conduct a software simulation and implement an example circuit in hardware. Under the TSMC 28nm CMOS technology, we synthesize it and get the report that it has the area of 6561 mu m(2) and the power of 3.95mW at the frequency of 1.5GHz.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Inbäddad systemteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Embedded Systems hsv//eng
- complex number Nth root
- CORDIC
- general method
- flexible precision
- efficient hardware
Added entries (persons, corporate bodies, meetings, titles ...)
- Wu, RuiqiNanjing Univ, Sch Elect Sci & Engn, Nanjing, Peoples R China. (author)
- Lu, ZhonghaiKTH,Elektronik och inbyggda system(Swepub:kth)u1wqy6h0 (author)
- Fu, YuxiangNanjing Univ, Sch Elect Sci & Engn, Nanjing, Peoples R China. (author)
- Li, LiNanjing Univ, Sch Elect Sci & Engn, Nanjing, Peoples R China. (author)
- Yu, ZongguangNanjing Univ, Sch Elect Sci & Engn, Nanjing, Peoples R China. (author)
- Nanjing Univ, Sch Elect Sci & Engn, Nanjing, Peoples R China.Elektronik och inbyggda system (creator_code:org_t)
Related titles
- In:2021 SCAS 2021/IEEE International Symposium on Circuits and Systems: Institute of Electrical and Electronics Engineers (IEEE)
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- Chen, Hui
- Wu, Ruiqi
- Lu, Zhonghai
- Fu, Yuxiang
- Li, Li
- Yu, Zongguang
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- ENGINEERING AND TECHNOLOGY
- ENGINEERING AND ...
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