Time

Are discrete time functions expected to be this inaccurate?

Are discrete time functions expected to be this inaccurate?
  1. Is discrete time convolution possible?
  2. How do you know if a discrete time system is causal?
  3. What is discrete time function?
  4. Which of the following is true for discrete time stable systems?

Is discrete time convolution possible?

1. Is discrete time convolution possible? Explanation: Yes, like continuous time convolution discrete time convolution is also possible with the same phenomena except that it is discrete and superimposition occurs only in those time interval in which signal is present.

How do you know if a discrete time system is causal?

A discrete-time system is causal if: Whenever the input x[n] = 0, and there are no initial conditions, the output is y[n] = 0. The output y[n] does not depend on future inputs. where x[n] is the input and y[n] is the output is nonlinear but time invariant.

What is discrete time function?

A discrete-time signal is a sequence of values that correspond to particular instants in time. The time instants at which the signal is defined are the signal's sample times, and the associated signal values are the signal's samples.

Which of the following is true for discrete time stable systems?

As the given system is dependent on present values only, the system is a causal system. Therefore, the given system is stable.

Periodogram What is the meaning of the scaling difference between my DFT magnitude squared plot and my periodogram plot?
What is the meaning of the scaling difference between my DFT magnitude squared plot and my periodogram plot?
What is the difference between periodogram and power spectral density?What's the difference between periodogram and spectrogram?What is the differenc...
Costas Loop bandwidth for Costas loop
Loop bandwidth for Costas loop
What is Costas loop theory?What are the disadvantages of Costas loop?What is Costas loop in analog communication?What is the difference between PLL a...
Fourier How to find the inverse Fourier transform of $u(\omega) e^{-j \frac{\pi}{2}} + u(-\omega) e^{j \frac{\pi}{2}}$?
How to find the inverse Fourier transform of $u(\omega) e^{-j \frac{\pi}{2}} + u(-\omega) e^{j \frac{\pi}{2}}$?
What is the inverse Fourier transform of Delta Omega?What is the inverse Fourier transform of JW? What is the inverse Fourier transform of Delta Ome...