Design and Realization of NCO of Modulation Based on FPGA

Hejin, H. Songbai
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Abstract

In this paper I bring forward a way to design numeric control oscillator (NCO)that can be used in amplitude modulation, frequency modulation, phase modulation and digital up converter(DUC). Emphatically, this paper analyses characteristics of frequency control word (FCW) and propose solution of different application.Finally a FPGA implementation is presented.
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基于FPGA调制NCO的设计与实现
本文提出了一种可用于调幅、调频、调相和数字上变频器的数控振荡器的设计方法。重点分析了频率控制字(FCW)的特点,并针对不同的应用提出了解决方案。最后给出了一个FPGA实现。
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