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author:

黄云 (黄云.) [1] | 杨尊先 (杨尊先.) [2]

Indexed by:

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,利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 ] 福州大学,福建福州350002

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Source :

现代电子技术

ISSN: 1004-373X

Year: 2010

Issue: 1

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:

Chinese Cited Count: -1

30 Days PV: 0

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