FPGA Implementation of Efficient WindowArchitecture Design Using Completely Scaling – Free CORDIC Algorithm
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 5
Abstract
one of the most important step in spectral analysis is filtering, this paper presents an FPGA implementation of window function using CORDIC (co-ordinate rotation digital computer) to minimize area-delay product. Co-ordinate rotation digital computer (CORDIC) is an arithmetic technique, which performs two dimensional rotations using simple hardware components. This algorithm can be used for computing a wide range of functions including certain trigonometric, hyperbolic, linear and logarithmic functions, and can evaluate elementary functions such as cosine, sine, arctangent, sinh, cosh, tanh, ln, &exponential. Here FPGA implementation of various window functions using CORDIC algorithm by replacing linear CORDIC with multiple shift-add network and conventional circular CORDIC processor by a completely scaling free CORDIC processor to improve the area-time efficiency.
Authors and Affiliations
Rashmi. K L, Rama Murali Krishna. P. G
Keywords
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