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Frequency Response and Filters
This lecture covers the interpretation of frequency response properties and filters in LTI systems, emphasizing the changes in amplitude and phase of complex exponentials. It explores system composition, impulse response, and frequency response properties, including periodicity and real-valued relationships. The lecture also delves into examples of continuous-time LTI systems, showcasing the derivation of outputs based on frequency responses. Additionally, it discusses frequency-selective filters such as low-pass, high-pass, and band-pass filters, highlighting the significance of magnitude in determining system characteristics.