Algorithms for optoelectronics implementation of trigonometric functions based on modified signed-digit numbers

Author

Cherri, A.K. ; Hamad, M.

Author_Institution

Dept. of Electr. & Comput. Eng., Kuwait Univ., Safat, Kuwait

fYear

2002

fDate

11-13 Dec. 2002

Firstpage

109

Lastpage

113

Abstract

An optoelectronic correlator based architecture is proposed for implementing algorithms to compute trigonometric elementary functions such as sine, cosine, and tangent. We utilized the symbolic substitution technique to reduce the number of the computation rules involved. The modified signed-digit (MSD) number system representation is used for computing these complex elementary functions. An arithmetic unit that performs parallel one-step addition (subtraction), multiplication, division, and square root is proposed to perform the computation of trigonometric elementary functions.

Keywords

digital arithmetic; integrated optoelectronics; optical correlation; parallel algorithms; MSD number system representation; modified signed-digit; optoelectronic correlator based architecture; optoelectronics implementation; symbolic substitution technique; trigonometric elementary function; Algorithm design and analysis; Arithmetic; Computer architecture; Concurrent computing; Coprocessors; Correlators; Logic functions; Parallel algorithms;

fLanguage

English

Publisher

ieee

Conference_Titel

Microelectronics, The 14th International Conference on 2002 - ICM

Print_ISBN

0-7803-7573-4

Type

conf

DOI

10.1109/ICM-02.2002.1161508

Filename

1161508