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ECE
4th Semester
EC-402
Unit 1 Notes

EC-402 Signals & Systems Unit 1 Notes

Notes and important questions for unit 1: Introduction of Signals and Systems.

Unit 1 · Short notes Introduction of Signals and Systems Definition of signal · Classification of signals and representation (continuous‑time, discrete‑time, even/odd, periodic/aperiodic, random/deterministic, energy/power, one/multidimensional, standard signals) · Basic operations on signals for continuous‑time / discrete‑time · Transformation of independent and dependent variables · Definition of system and its classification (CT/DT, linear/non‑linear, time‑variant/time‑invariant, causal/non‑causal, state/dynamic system) · Interconnection of systems

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