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Using the definition of the Discrete Time Fourier Series (DTFS) (4.2.8), show that c_k= CN-k. Consider the full-wave rectified sinusoid in Fig. 1. Determine

Using the definition of the Discrete Time Fourier Series (DTFS) (4.2.8), show that c_k= CN-k. Consider the full-wave rectified sinusoid in Fig. 1. Determine its spectrum, |ck|2. 0 0 2T Time Figure 1: Full-wave rectified sinusoid

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