1) frequency modulation feedback
调频反馈
2) FMFB(Frequency Modulation with Feed Back)
反馈调频
3) negative feedback in FM
调频负反馈
4) frequency-modulated feedback demodulator
调频反馈解调器
5) video feedback
视频反馈
1.
On the basic of analyzing the characteristics of Taekwondo competition,and in order to meet the practical needs of training for China male Taekwondo team,a video feedback sys- tem was developed and applied in the routine training and competition.
在分析跆拳道比赛特点的基础上,结合国家男子跆拳道队训练的实际需要,开发了视频反馈系统,并应用于跆拳道日常训练和比赛。
6) feedback of beat signal
拍频反馈
补充资料：调频
载波的瞬时频率按调制信号的变化而变，但振幅不变的调制方式。载波经调频后成为调频波。用调频波传送信号可避免幅度干扰的影响而提高通信质量。广泛应用在通信、调频立体声广播和电视中。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条