基于SoPC的超声导波激励信号发生器设计

基于SoPC技术设计了一种专门激励管道超声导波的信号发生器。重点阐述了导波专用DDSIP核的设计方法。发生器以MicroBlaze软核处理器为控制核心，单片FPGA辅以必要的少量外围硬件电路，易于扩展升级。实验结果表明，输出的信号精度高、噪声小、稳定性好，频率连续可调，可方便地应用于管道超声导波检测。...

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Bibliographic Details
Published in电子技术应用 Vol. 37; no. 7; pp. 82 - 85
Main Author 张轩硕 王建斌 王军阵
Format Journal Article
LanguageChinese
Published 军械工程学院电气工程系,河北石家庄,050003 2011
Subjects
DDS
MicroBlaze
SoPC
激励信号
超声导波
SoPC
DDS
激励信号
MicroBlaze
超声导波
Online AccessGet full text
ISSN0258-7998
DOI10.3969/j.issn.0258-7998.2011.07.031

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Summary:基于SoPC技术设计了一种专门激励管道超声导波的信号发生器。重点阐述了导波专用DDSIP核的设计方法。发生器以MicroBlaze软核处理器为控制核心，单片FPGA辅以必要的少量外围硬件电路，易于扩展升级。实验结果表明，输出的信号精度高、噪声小、稳定性好，频率连续可调，可方便地应用于管道超声导波检测。
Bibliography:SoPC ; MicroBlaze ; DDS ; ultrasonic guided waves ; exciting signal
11-2305/TN
A signal generator,devoted to excite ultrasonic guided waves in the pipeline,is designed based on SoPC technology in the paper. The design method of DDS IP is elaborated mainly. The generator which is made up of a piece of FPGA chip and a few necessary peripheral hardware circuits , using the MicroBlaze soft core as the central processor, is easy to expand. The experiment results show that the output signal is high precision, low noise, good stability, and the frequency can be adjusted continuously. It can be conveniently applied to ultrasonic guided waves inspection in the pipeline.
Zhang Xuanshuo, Wang Jianbin, Wang Junzhen （Department of Electrical Engineering, Ordnance Engineering College, Shijiazhuang 050003, China）
ISSN:0258-7998
DOI:10.3969/j.issn.0258-7998.2011.07.031