In signal processing, the half time is the time it takes for the amplitude of a pulse to drop from 100% to 50% of its peak value.
Famous quotes containing the word time:
“Of what use were it, pray, to get a little wood to burn, to warm your body this cold weather, if there were not a divine fire kindled at the same time to warm your spirit?”
—Henry David Thoreau (1817–1862)