| 释义 |
调频tiáopín
1.调整交流发电机等的输出功率,使电力系统等的频率保持在一定范围内,以保证用电设备正常工作。{adjust the output of a power generator and keep the frequency of the power system within a given range to ensure normal working of the power equipment}
2.使载波的振幅保持不变,而它的瞬时频率依照所需传递信号的变化规律而变化。{frequency modulation; variation of instantaneous frequency of a carrier wave in accordance with the signal to be transmitted while keeping the amplitude of the carrier wave unchanged} |