interval
subset of an ordered set that consists of all elements between two given endpoints
open interval
interval that does not include its end points
signal bandwidth
difference between the upper and lower frequencies passed by a filter, communication channel, or signal spectrum
half-closed interval
interval in which one endpoint is included but not the other
reference range
measured values in a control group
operating temperature
temperature at which an electrical or mechanical device can operate
spectral width
wavelength interval over which the magnitude of all spectral components is equal to or greater than a specified fraction of the magnitude of the component having the maximum value
interval estimator
interval bounded by an upper and a lower limit statistic
credible interval
in Bayesian statistics, the interval within which an unobserved parameter value falls with a particular probability
decade
unit of logarithmic frequency interval, corresponding to a ratio of 10 between the frequencies
radio frequency range
range extending from around 3 kHz to 300 GHz, which include those frequencies used in radio communication or radar