(plural guard bands)
- (radio) An unused part of the radio spectrum between bands, for the purpose of preventing interference.
- The unrecorded space between tracks on magnetic tape or other media which prevents the signals on adjacent tracks from interfering with each other.
- (quality control) The amount by which minimum product specifications are increased to ensure that, even with measurement uncertainty, the product will meet the minimum specifications with a specified level of confidence.
- (computer graphics) A virtual area of the screen, bordering the real screen, to which any rendering is ignored, used to simplify clipping.
guard band - Computer Definition
A frequency band that exists between two information-bearing channels, a guard band provides channel separation in order to avoid mutual interference.Analog voice grade bandwidth, for example, is defined as 4,000 Hz (4 kHz). As illustrated in Figure G-2, the voice signal runs in the 300
A frequency that insulates one signal from another. In an analog telephone line, the low band is 0-300; the high band is 3300-4000Hz.