1) the signal rocket with pulsed-flash frequency
脉冲频闪信号弹
2) low frequency pulsed signal
低频脉冲信号
1.
Acquisition of multi pass low frequency pulsed signals with query method;
用查询法实现单片机对多路低频脉冲信号的采集
3) frequency modulation pulse
调频脉冲信号
4) pulse frequency signal
脉冲频率信号
1.
It trans- forms the speed signal into pulse frequency signal to measure speed and indicate the speed.
本文给出了一种齿轮测速的方法,将转速信号转化为脉冲频率信号进行测量和显示。
5) pulse signal's frequency
脉冲信号频率
6) narrow band ping
窄频带脉冲信号
补充资料：信号弹
信号弹
一种具有独特颜色和性质而被用作信号的烟火照明弹
说明：补充资料仅用于学习参考，请勿用于其它任何用途。