shift key,PSK

A scheme of satellite covert communication based on the coherent chaos shift keying signal is proposed in this paper,then the whole system model is also constructed.

文章提出了一种基于相干混沌移位键控信号的卫星隐蔽通信方案,并建立了系统模型,然后采用离散基带信号分析了其隐蔽性能、抗干扰性能以及相关参数的选取。

An optical secure communication system based on digital chaos and polarization shift keying(PolSK) technology is proposed.

提出了一种基于数字混沌与偏振移位键控(PolSK)技术的光保密通信系统。