| 基于FPGA静态傅里叶变换干涉系统的实时数据采集 |
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| 引用本文： | 刘睿强,王用鑫.基于FPGA静态傅里叶变换干涉系统的实时数据采集[J].红外技术,2011,33(8):465-469. |
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| 作者姓名： | 刘睿强 王用鑫 |
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| 作者单位： | 重庆电子工程职业学院,重庆,401331 |
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| 摘 要： | 针对静态傅里叶变换光谱仪中干涉条纹采集与处理对速度快的特殊要求,设计了用FPGA实现干涉图采集和光谱复原系统,通.过CCD采集静态傅里叶干涉条纹后,将数字灰度值输入到FPGA中,进行傅里叶变换(FFT)、取模、光谱标定等处理后得到入射光的光谱信息.光谱获取的算法主要由基2-FFT和光谱标定实现,光谱标定是通过在可探测波...
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| 关 键 词： | 光谱分析 静态干涉条纹 傅里叶变换 FPGA |
Based on FPGA Real-time Spectrum Obtained of Static Fourier Spectrometer |
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| LIU Rui-qiang,WANG Yong-xin.Based on FPGA Real-time Spectrum Obtained of Static Fourier Spectrometer[J].Infrared Technology,2011,33(8):465-469. |
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| Authors: | LIU Rui-qiang WANG Yong-xin |
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| Affiliation: | LIU Rui-qiang,WANG Yong-xin(Chongqing College of Electronic Engineering,Chongqing 401331,China) |
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| Abstract: | In order to meet the special requirements the speed of interference fringes acquisition and processing in Static Fourier Transform Spectrometer,design implementation using FPGA interferogram acquisition and spectrum recovery systems,static Fourier acquisition by CCD fringes,will be digital Gray value input to the FPGA,the Fourier transform(FFT),modulus,obtained after spectral calibration,spectral information of incident light.The main algorithm of spectrum analysis are the base 2 FFT and the spectral calibr... |
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| Keywords: | spectral analysis static interference pattern Fourier transform FPGA |
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