In telecommunication, the term gating has the following meanings: 1. The process of selecting only those portions of a wave between specified time intervals or between specified amplitude limits. 2. The controlling of signals by means of combinational logic elements. 3. A process in which a predetermined set of conditions, when established, permits a second process to occur. Source: From Federal Standard 1037C and from MIL-STD-188 * Gating, a term used in casting