Consider the signals in Figure P4.7. For k sufficiently large, the Fourier coefficient of...

Consider the signals in Figure P4.7. For k sufficiently large, the Fourier coefficient of the k th harmonic decreases in magnitude at the rate of 1/km. Use the properties in Section 4.4 to find m for the signals shown in the following figures:

(a) Figure (a)

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(b) Figure (b)

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(c) Figure (c)

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(d) Figure (d)

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(e) Figure (e)

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(f) Figure (f)

Check your results using Table.

TABLE Fourier Series for Common Signals