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CORDIC-based VLSI architectures for digital signal processing

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1 Author(s)
Hu, Y.H. ; Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA

The evolution of CORDIC, an iterative arithmetic computing algorithm capable of evaluating various elementary functions using a unified shift-and-add approach, and of CORDIC processors is reviewed. A method to utilize a CORDIC processor array to implement digital signal processing algorithms is presented. The approach is to reformulate existing DSP algorithms so that they are suitable for implementation with an array performing circular or hyperbolic rotation operations. Three categories of algorithm are surveyed: linear transformations, digital filters, and matrix-based DSP algorithms.<>

Published in:

Signal Processing Magazine, IEEE  (Volume:9 ,  Issue: 3 )