A Computational Fractional Signal Derivative Method

Figure 5

Comparison between fractional derivatives at α of 0.3, 0.5, and 0.7 (top to bottom rows) and for sample rates of 10, 50, and 100 Hz (left to right columns) for both (a) and (b) sine-cosine signals. (a) Comparison for oscillator signal. (b) Comparison for sine-cosine signal.

(a)

(b)