| 释义 |
transmission medium
传输媒介
Any material substance that can be, or is, used for the propagation of signals, usually in the form of modulated radio, light, or acoustic waves, from one point to another, such as an optical fiber, cable, bundle, wire, dielectric slab,water, or air.
用来或能用来传播信号的任何物质；通常以调制的无线电信号、光、声波等形式从一点传播 到另一点。例如光导纤维、电缆、光纤束、导线、电介材料、水和空气。 Note: Free space can also be considered as a transmission medium for electromagn etic waves.
注： 自由空间也可被认为是电磁波的传输媒介。 |