Title :
Efficient Approximations for the Four-Quadrant Arctangent Function
Author :
Rajan, Sreeraman ; Wang, Sichun ; Inkol, Robert
Author_Institution :
CNEW Sect., DRDC, Ottawa, Ont.
Abstract :
Efficient approximations of the four-quadrant arctangent function have been developed using simple transformations on I and Q data. The proposed quadrant and octant based implementations can be used to achieve favorable trade-offs between computational cost and accuracy
Keywords :
computational complexity; functions; mathematics computing; computational complexity; four-quadrant arctangent function; Application software; Computational efficiency; Costs; Energy consumption; Field programmable gate arrays; Hardware; Iterative algorithms; Polynomials; Signal processing algorithms; Throughput; Approximations; Arctangent; Implementation; Transformations;
Conference_Titel :
Electrical and Computer Engineering, 2006. CCECE '06. Canadian Conference on
Conference_Location :
Ottawa, Ont.
Print_ISBN :
1-4244-0038-4
Electronic_ISBN :
1-4244-0038-4
DOI :
10.1109/CCECE.2006.277814
