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Applications of the Fourier Transform

Applications of the Fourier Transform. Dr. Ali Muqaibel EE207. Ideal Filters. Transfer functions Types: Low-pass, High-pass, Band-pass, Band-stop (band-reject) Ideal filters are not physically attainable. Low-pass filter (LPF). Non-causal . Example: Ideal Filters. Ideal band-pass filter.

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Applications of the Fourier Transform

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  1. Applications of the Fourier Transform Dr. Ali Muqaibel Dr. Ali Muqaibel EE207

  2. Ideal Filters • Transfer functions • Types: Low-pass, High-pass, Band-pass, Band-stop (band-reject) • Ideal filters are not physically attainable. • Low-pass filter (LPF) Dr. Ali Muqaibel Non-causal

  3. Example: Ideal Filters Dr. Ali Muqaibel Ideal band-pass filter Ideal LPF to eliminate noise

  4. RC Low-Pass Filter By KVL in the two loops • Converting the two equations into Frequency domain • eliminate • Define , • and • Why cut frequency is called 3-dB or half power frequency? • = , = • Why all real system has phase delay ? Dr. Ali Muqaibel

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