classification of signals

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Across
  1. 3. The ______ of a signal is the mathematical operation of multiplying each value of the signal by itself and then finding the average over time.
  2. 4. Signals with finite and non-zero energy over a specific time interval are known as ______ signals
  3. 5. A sinusoidal signal with a frequency of 0 Hz is also known as a _________.
  4. 8. A sinusoidal signal is periodic if it satisfies the condition of being _________ in amplitude and phase.
  5. 9. The property of a signal that remains unchanged when shifted by half of its period.
  6. 10. signal that has a non-symmetric or non-anti-symmetric nature with respect to the vertical axis
  7. 11. An exponential signal is never periodic unless its growth factor is a _______
Down
  1. 1. The _______ of a complex exponential signal determines its frequency.
  2. 2. Power signals have a finite and non-zero ______ over all time.
  3. 4. A complex exponential signal is periodic only if its ________ is an integer multiple of 2π.
  4. 6. A signal that does not repeat itself and lacks a well-defined period.
  5. 7. Signals with infinite energy or energy that approaches infinity are called _____ signals.