Recent questions and answers in Discrete-time Signals

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GATE ECE 2024 | Question: 46
The radian frequency value(s) for which the discrete time sinusoidal signal $x[n]=A \cos (\Omega n+\pi / 3)$ has a period of $40$ is/are $\_\_\_\_\_\_$. $0.15 \pi$ $0.225 \pi$ $0.3 \pi$ $0.45 \pi$

The radian frequency value(s) for which the discrete time sinusoidal signal $x[n]=A \cos (\Omega n+\pi / 3)$ has a period of $40$ is/are $\_\_\_\_\_\_$.$0....

shadab_iitb

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shadab_iitb answered Feb 18

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GATE ECE 2024 | Question: 14
For a causal discrete-time LTI system with transfer function \[ H(z)=\frac{2 z^{2}+3}{\left(z+\frac{1}{3}\right)\left(z-\frac{1}{3}\right)} \] which of the following statements is/are true? The system is stable. The system is a minimum phase system. The initial value of the impulse response is $2$. The final value of the impulse response is $0$.

For a causal discrete-time LTI system with transfer function\[H(z)=\frac{2 z^{2}+3}{\left(z+\frac{1}{3}\right)\left(z-\frac{1}{3}\right)}\]which of the fol...

admin

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admin asked Feb 16

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