Consider the signals in Figure P4.11. For k sufficiently large, the Fourier coefficient...

Consider the signals in Figure P4.11. For k sufficiently large, the Fourier coefficient of the kth harmonic decreases in magnitude at the rate of 1/k^m. Use the properties in Section 4.4 to find m for the signals shown in the following figures:

(a) Figure P4.11(a)

(b) Figure P4.11(b)

(c) Figure P4.11(c)

(d) Figure P4.11(d)