IF has various meanings in the Governmental & Military category. Discover the full forms, definitions, and usage contexts of IF in Governmental & Military.
Is a frequency to which a carrier wave is shifted as an intermediate step in transmission or reception.
Governmental & MilitaryElectromagnetic radiation of wavelengths between 7500 A, the limit of the visible light spectrum at the red end, and centimetric radio waves.
Governmental & MilitaryA fix that marks the end of an initial segment and the beginning of the inter-mediate segment. In RNAV applications this fix is normally defined by a fly-by waypoint.
Governmental & MilitaryThe boundary between any two phases. Among the three phases (gas, liquid, and solid), there are five types of interfaces: gas-liquid, gas-solid, liquid-liquid, liquid-solid and solid-solid. A collection of operations that are used to specify a service of a class or a component. alsoclass, port type. 2.A shared boundary between independent systems. An interface can be a hardware component used to link two devices, a convention that supports communication between software systems, or a method for a user to communicate with the operating system, such as a keyboard.
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