在UWB通信中，利用赫兹磁偶极子天线的微分特性，由输入方波的上升沿产生窄脉冲。

For a UWB communication system, by using differential characteristic of Herz magnetic dipole antenna, the narrow pulse can be produced from the rise edge of input square-wave signal.

youdao

中频频率和水平磁偶极子天线(垂直环状天线)是井下采区无线通信可使用的频段和天线型式。

Medium frequencies and horizontal magnetic dipoles (vertical loop antennas) can be used in underground radio communication in mining sections of coal mines.

youdao

中频频率和水平磁偶极子天线(垂直环状天线)是井下采区无线通信可使用的频段和天线型式。

Medium frequencies and horizontal magnetic dipoles (vertical loop antennas) can be used in underground radio communication in mining sections of coal mines.

youdao