Using Parseval’s theorem estimate the power that resides in significant coefficients, insignificant coefficients as well as in the acquired periodic signal

Presume that while observing a periodic phenomena, you obtain complex value Fourier series coefficients. The number of significant coefficients are 18 and the insignificant coefficients are 28.

Both (significant as well as insignificant) components decreases with an increase in the harmonic order. Using Parseval’s theorem estimate the power that resides in significant coefficients, insignificant coefficients as well as in the acquired periodic signal. Hint: You can refer Google search to obtain periodic data associated with any arbitary scenario (cite the source), which can be truncated to size it according to 18 and 28 or using the random number generation, you can synthesize the data.