在本系统中，信息序列在先经过FSK调制，经过截止频率为25kHz的低通滤波器后（把信号频率限制在25kHz），再进入混频器搬移到更高的频率发送出去，在接收端，用与发送端同步的跳频信号对其进行变频（跳频的解跳处理在此进行），取下边频，然后进行FSK的解调-In this system, the message sequence prior through FSK modulation, through the cut-off frequency of 25kHz after low-pass fi

US五彩采集系统软件FSK-deDescribe: . ϵ ͳ ṩ Ͷ ע ʽ 볡 , , , ء File list(Click to check if it s the file you need, and recomment it modulation-and-modulation.rar-FSK-deDescribe: . ϵ ͳ ṩ Ͷ ע ʽ &#