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Author:

左盼盼 (左盼盼.) | 赛景波 (赛景波.)

Indexed by:

CQVIP PKU

Abstract:

为提高FM信号发生器的频率准确度和稳定度,并使其相关技术参数可调,设计了一种基于FPGA和直接数字频率合成(DDS)技术的产生方法。系统通过上位机设置FM信号的调制参数,通过PCIE接口将上位机设置的FM信号控制字传给FPGA,FPGA内部通过控制DDS核来实现FM信号的产生。测试结果表明,FM信号的频率精度高且稳定性好,最高输出载波频率达40 MHz,幅度精度能达到5 mV。该FM信号发生器在软件无线电、雷达目标特征识别和雷达距离探测等领域具有广阔的应用空间。

Keyword:

数模转化 调频信号直接数字扩频现场可编程门阵列

Author Community:

  • [ 1 ] [左盼盼]北京工业大学
  • [ 2 ] [赛景波]北京工业大学

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Source :

电子器件

ISSN: 1005-9490

Year: 2016

Issue: 3

Volume: 39

Page: 600-604

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 3

Chinese Cited Count:

30 Days PV: 16

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