Physics · Signals and Systems
Consider a system described by the difference equation y(n + 2) = -3x(n + 2) + 2x(n) - 5x(n - 1). The system is ______ and _______ respectively.
- 1causal, FIR✓
- 2non-causal, FIR
- 3causal, IIR
- 4non-causal, IIR
Correct answer
causal, FIR
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