# Questions tagged [fourier-series]

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### Fourier series representation of a full wave rectifier output

I am trying to compute the Fourier series representation of a full wave rectifier output. The equation of the signal is: $x_8(t) = | \cos (2 \pi f_o t)$ | I have tried to find the Fourier series ...
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### How to calculate fourier coefficients of sum of two discrete time with different fundamental periods

Assume that we have two discrete-time signals named x[n] with fundamental period 3 and fourier coefficients ak (k from 1 to 3), and y[n] with fundamental period 5 and fourier coefficients bk (k from 1 ...
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### Fourier series expansion of $x_1(t) = \sum _{-\infty}^{\infty} \Delta (t-2n)$

I want to evaluate the Fourier series expansion of $x_1(t) = \sum _{-\infty}^{\infty} \Delta (t-2n)$, where $\Delta (t)$ is a triangular function defined as: I have done the following ...