释义 |
wideband 1. A circuit or channel with capacity greater than narrowband. See also narrowband. 2. A circuit or channel with bandwidth wider than normal for operation. See also bandwidth. 3. A radio channel covering a relatively wide range of frequencies. Ultra-Wideband (UWB) for example, is a radio system with occupied bandwidth (i.e., the difference between the highest and lowest frequencies in the radio channel) greater than 25 percent of the center frequency. See also bandwidth. 4. Wideband sometimes is used interchangeably with broadband. See also broadband. (I promise that I don’t make these things up. I just explain them as they are.) |