Dictionary:Gate

1. The interval of record time over which a function (such as an autocorrelation or crosscorrelation) is evaluated. Also called window (q.v.). A gate where the boundaries are abrupt is called a boxcar (q.v.). 2. A circuit with several inputs and one output that is used in digital logic (computer design). Truth tables for inputs of certain types of gates are shown in Figure B-5. See also Boolean algebra.