介绍中频全数字调制技术的原理，重点讨论设计全数字调制器的关键问题。
The paper chiefly introduces the principle of all-digital modulation in IF. The key issue of how to design a all-digital modulator is emphasized.
在FLL功能数字频率锁定环(FLL)的硬件，与数字调制器，稳定会计频率可编程多的观赏晶体频率。
The FLL features digital frequency locked loop (FLL) hardware that, in conjunction with a digital modulator, stabilizes the DCO frequency to a programmable multiple of the watch crystal frequency.
提出了一种基于改进直接数字频率合成(DDS)技术的现场可编程门阵列(FPGA)数字调制器设计与实现方法。
In this paper a method of designing and implementing Field Programmable Gate Array (FPGA) digital modulator based on the improved Direct digital Synthesizer (DDS) technology is presented.
提出了一种基于改进直接数字频率合成(DDS)技术的现场可编程门阵列(FPGA)数字调制器设计与实现方法。
In this paper a method of designing and implementing Field Programmable Gate Array (FPGA) digital modulator based on the improved Direct digital Synthesizer (DDS) technology is presented.
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