| 基于FPGA和C8051F020的简易实时频谱分析设计 |
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| 引用本文： | 杨守建,沈一波,杨忠,李宏.基于FPGA和C8051F020的简易实时频谱分析设计[J].数字社区&智能家居,2011(16). |
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| 作者姓名： | 杨守建 沈一波 杨忠 李宏 |
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| 作者单位： | 宁波大学信息科学与工程学院; |
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| 基金项目： | 宁波市服务型重点专业建设资助(编号:010-A00083094702) |
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| 摘 要： | FFT-V9.0 Core是基于Altera FPGA高性能、高度参数化的快速傅里叶变换处理器。设计和实现了一种以FPGA为核心,辅助于C8051F020数据处理,液晶显示各谐波幅值、基波含有率和频谱图的实时频谱分析系统。由C8051F020片内AD采集输入信号,经FPGA与C8051F020并行数据通信协议进入FPGA做FFT算法分析,运算结果经并行数据通信协议以送回C8051F020做进一步数据处理和显示。实验证明,系统充分利用了FPGA与C8051F020芯片资源,具有较好的实时性,频谱分析特性,系统操作简便,测量结果直观可靠。
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| 关 键 词： | 频谱分析 FFT FPGA C8051F020 并行数据通信 |
The Design of Real-time Spectrum Analysis Based on FPGA and C8051F020 |
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| YANG Shou-jian,SHEN Yi-bo,YANG Zhong,LI Hong.The Design of Real-time Spectrum Analysis Based on FPGA and C8051F020[J].Digital Community & Smart Home,2011(16). |
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| Authors: | YANG Shou-jian SHEN Yi-bo YANG Zhong LI Hong |
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| Affiliation: | YANG Shou-jian,SHEN Yi-bo,YANG Zhong,LI Hong(Faclty of Information Science and Egineering,Ningbo University,Ningbo 315211,China) |
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| Abstract: | FFT-V9.0 Core is based on Altera FPGA high performance,high parameterized fast Fourier transform processor.A real-time spectrum analysis system is designed and realized.The system uses FPGA as the core,aided with C8051F020 and liquid crystal display various harmonic amplitude,base wave contains rate and the spectrum diagram.The input signal is sampled by AD converter in C8051F020 and delived to FPGA through Parallel data communication protocols.After FFT algorithm analysis,the results are delived to C8051F0... |
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| Keywords: | spectrum analysis FFT FPGA C8051F020 parallel data communication |
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