A root of less evil [digital signal processing].

A root of less evil [digital signal processing].

This work discusses several methods for estimating the square root of a number, with particular focus on high-speed techniques for approximating the square root of a single value as well as the square root of a sum of squares for quadrature (I/Q) vector magnitude estimation. The paper presents the N...

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Vydáno v:IEEE Signal processing magazine 22, 2 (2005).
Hlavní autor: Allie, M.
Médium: Článek
Jazyk:English
Témata:
Complex vector magnitude approximation algorithm.
Fixed point fractional binary arithmetic.
High throughput algorithm.
Iterative Newton Raphson inverse square root method.
Nonlinear IRR filter (NIIRF) square root method.