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- W3118006162 abstract "The coordinate rotation digital computer (CORDIC) is a class of shift-add algorithm for the rotation of vectors on a plane. The major problem in this CORDIC algorithm is the linear rate of convergence with the speed of the iteration. The main aim of the improved CORDIC algorithm is to utilise an integrated adder subtractor in place of binary adder subtractor to decrease the count of iterations and hardware reduction technique. The improved CORDIC splits the rotation angle into several series of micro-rotation angles to calculate the rotation and the new set of angle provides a fast convergence. The canonical signed-digit (CSD) approach together with Hcub algorithm employs for the number of adder subtractor reduction and shifters in CORDIC architecture design. The performances of the proposed CORDIC design have been verified by employing it in FFT implementation. The simulation result indicates the higher frequency of 77.20%, 82.78%, 78.30% and 76.57% when compared with conventional methods. The evaluation of FFT is also done by comparing with the conventional methods. The power consumption, number of iterations and the hardware complexity reduced by using the improved CORDIC and the working of this proposed algorithm is evaluated through the FPGA implementation." @default.
- W3118006162 created "2021-01-05" @default.
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- W3118006162 date "2021-02-27" @default.
- W3118006162 modified "2023-10-01" @default.
- W3118006162 title "Implementation of FPGA design of FFT architecture based on CORDIC algorithm" @default.
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- W3118006162 doi "https://doi.org/10.1080/00207217.2020.1870750" @default.
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