Table 4 Complexity analysis of the FxLMS algorithm
From: Robust adaptive algorithm for active control of impulsive noise
Equations | Operations | * | +/− | ÷ |
|---|---|---|---|---|
1 | \( {x}^{\prime }{(n)}_{1\times 1}=\widehat{s}{(n)}_{1\times M}\ast x{(n)}_{M\times 1} \) | M | M − 1 | – |
2 | y(n)1x1 = w T(n)1xL * x(n) Lx1 | L | L − 1 | – |
3 | w(n + 1) Lx1 = w(n) Lx1 − μ 1x1 * e(n)1x1 * x′(n)1xL | L + 1 | L | – |
4 | e(n)1x1 = d(n)1x1 − y s (n)1x1 | – | 1 | – |
5 | y s (n)1x1 = s(n)1xM * y(n) Mx1 | M | M − 1 | – |
Total | 2L + 2M + 1 | 2L + 2M − 2 | – |