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Zero Order Hold Sampling (Detailed explanation)

In this lecture Zero order hold sampling and its importance is mentioned. The ideal sampling with pulse train not possible because unit impulse function can not be generated practically due to its infinite amplitude. You can find ideal sampling and reconstruction videos on following links: Sampling theorem:    • Signal & Sytems: Sampling Theorem (with pr...   Reconstruction of sampled signal:    • Signal & Systems: Reconstruction of sample...   Zero order hold sampling is simple and having lowest delay sampling technique that can be applied practically. It is preferred sampling technique because higher order sampling technique have more delay and complexity. After watching this video students will understand: Why Ideal sampling technique is not practically possible? How does zero order hold sampling work? How does a discrete time signal is reconstructed back? If you have any doubt please mention in comment box. For more lectures of signals & systems visit my playlist: Signals & Systems:    • Signal & Systems