1) modulation of offset frequency
外差频率调制
2) deviation,frequency modulation
频率调制偏差
3) heterodyne frequency
外差频率
4) FMDCSK
差分混沌频率调制
1.
A new chaotic spread spectrum communication system FFH-FMDCSK is presented, which is based on FMDCSK and fast frequency hopping techniques.
本文提出一种基于差分混沌频率调制(FMDCSK)的快速跳频扩谱通信系统(简称FFH-FMDCSK)。
5) heterodyne modulation
外差调制
6) heterodyne frequency meter
外差频率计
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
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