| 基于FPGA的高精度信号发生器的实现与优化 |
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| 引用本文： | 任建新,余乐咏,张鹏.基于FPGA的高精度信号发生器的实现与优化[J].测控技术,2011,30(1):13-16. |
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| 作者姓名： | 任建新 余乐咏 张鹏 |
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| 作者单位： | 西北工业大学自动化学院;西安东风机电有限公司; |
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| 摘 要： | 针对科里奥利质量流量计在线测试系统的需要,设计了一种基于现场可编程门阵列(FPGA,field programmable gate array),以直接数字频率合成技术(DDS,direct digital synthesis)为基础的高精度信号发生器.通过对其进行改进,在保证原有分辨率的情况下使研制方案节省了硬件资源...
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| 关 键 词： | 科里奥利质量流量计 FPGA DDS 优化 |
Implement and Optimization of High Precise Signal Generator Based on FPGA |
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| REN Jian-xin,YU Le-yong,ZHANG Peng.Implement and Optimization of High Precise Signal Generator Based on FPGA[J].Measurement & Control Technology,2011,30(1):13-16. |
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| Authors: | REN Jian-xin YU Le-yong ZHANG Peng |
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| Affiliation: | REN Jian-xin1,YU Le-yong1,ZHANG Peng2 (1.School of Automation,Northwestern Polytechnical University,Xi'an 710072,China,2.Xi'an Dong Feng Machinery & Electronic Co.,Ltd.,Xi'an 710068,China) |
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| Abstract: | According to the requirement of online test system of Coriolis mass flowmeter(CMF),a high precise sine signal generator based on field programmable gate array(FPGA) and direct digital synthesis(DDS) is developed.With ensuring the frequency resolution and accuracy of the vibrating system,some useful optimizations are proposed and the hardware resource can be economized abundantly.The basic principles and constitution of direct digital synthesis,arithmetic of the optimizations and the realization schemes of i... |
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| Keywords: | Coriolis mass flowmeter(CMF) FPGA DDS optimization |
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