Each persons digital shadow is ____.

The periodogram is _________.

Thermal noise can be considered to be ___________.

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

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

In DFT, a circularly folded sequence is denoted by_________.

The periodogram is _________.