신호와 시스템 1장 解法(솔루션) .doc
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신호와 시스템 1장 解法(솔루션) .doc
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신호와 시스템 1장 解法(솔루션) .doc
신호와,시스템,장,솔루션,doc,기타,시험족보
시험족보/기타
Solutions to Exercises of Chapter 1
Exercises with Solutions
Exercise 1.1
Write the following complex signals in polar form, i.e., in the form for continuous-time signals, for discrete-time signals.
(a)
Answer:
(b)
Answer:
Exercise 1.2
Determine if the following systems are: 1. Memoryless, 2. Time-invariant, 3. Linear, 4. Causal, 5. BIBO Stable. Justify your answers.
(a)
Answer:
1. Memoryless No. For example, the output depends on a future value of the input.
2. Time-invariant No.
3. Linear Yes. Let . Then, the output of the system with is given by:
4. Causal No. For example, the output depends on a future value of the input.
5. Stable Yes. .
(b)
Answer:
1. Memoryless No. The system has memory since at time , it uses the past value of the input .
2. Time-invariant Yes.
3. Linear No. The system is nonlinear since it does not have the superposition property:
4. Causal Yes. The system is causal as the output is a f…(drop)
신호와 시스템 1장 솔루션.doc , 신호와 시스템 1장 솔루션.doc기타시험족보 , 신호와 시스템 장 솔루션 doc
순서
다.