According to the characteristics and the requirements of telemetry and telecontrol system, a digital frequency source was developed with frequency synthesizer.
本文根据无人机测控系统数据链的特点及对测控系统的要求，提出了采用频率合成技术实现数字频率源的方案。
It is mainly applied to expanding frequency of the telecontrol code. The circuit has more simple configuration and safe secrecies.
该电路多应用于遥控指令的频谱扩展，结构简单、保密性强。
It is mainly applied to expanding frequency of the telecontrol code. The circuit has more simple configuration and safe secrecies.
该电路多应用于遥控指令的频谱扩展，结构简单、保密性强。
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