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author:

黄云 (黄云.) [1] | 杨尊先 (杨尊先.) [2] (Scholars:杨尊先)

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CQVIP

Abstract:

为减少电磁法仪发射和接收波的谐波畸变率,以FPGA为控制核心,设计了灵活的SPWM(正弦脉宽调制)变频系统.系统根据SPWM自然采样法原理,利用硬件描述语言设计了正弦波调制模块,刺用数字滤波器消除系统干扰.将系统用来控制电磁法仪器中发射机的发射,发射的数据经滤波后传到上位机上显示,得到更稳定的正弦波信号,大大减少了谐波畸变率.

Keyword:

FPGA SPWM 发射机 电磁法

Community:

  • [ 1 ] [黄云]福州大学
  • [ 2 ] [杨尊先]福州大学

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Source :

现代电子技术

ISSN: 1004-373X

CN: 61-1224/TN

Year: 2010

Issue: 1

Volume: 33

Page: 180-182

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 1

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