Which of the following is a linear system?

The Kaiser window design is used for ____________.

The aliasing problem can be better handled by the__________.

A digital signal composed of a pulse of positive voltage represents a(n) ____.

A(n) ____ signal is designed to represent computer data in a discrete high (on) or low (off) state.

In the accompanying figure, the text ?click to add title? is the title ____.

The Discrete Fourier Transform ( DFT ) of unit impulse function is__________.

A non-periodic signal has a period ( T ) of _______.

In DFT, a circularly folded sequence is denoted by_________.

If a Z-Transform is evaluated on the unit circle at evenly spaced points only, it becomes __________.

For the signal x ( t ) = 3cos50πt + 10sin300πt – cos100πt , nyquist rate is________.