| 基于信噪比通道宽度的光电成像系统匹配方法的研究 |
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| 引用本文： | 张超岳,吴福田.基于信噪比通道宽度的光电成像系统匹配方法的研究[J].光学技术,2004,30(5):554-557. |
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| 作者姓名： | 张超岳 吴福田 |
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| 作者单位： | 山东大学,信息科学与工程学院,济南,250100;山东大学,信息科学与工程学院,济南,250100 |
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| 基金项目： | 山东省自然科学基金资助(Y2000G10) |
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| 摘 要： | 将光电成像系统中的光学系统和探测器视为线性系统,应用匹配滤波和等效平方带宽理论,综合考虑了系统的信噪比和带宽,建立了基于信噪比通道宽度的系统性能评价模型。利用评价模型进行计算机仿真。根据仿真结果分析,得出了光学系统与探测器的匹配特性和最佳匹配条件。
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| 关 键 词： | 线性系统 匹配滤波 等效平方带宽 信噪比带宽 |
| 文章编号： | 1002-1582(2004)05-0554-04 |
| 修稿时间： | 2003年11月10 |
Study on matching design methods based on signal to noise ratio bandwidth in photoelectric imaging system |
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| Abstract: | By extending matched filters and equivalent square bandwidth theory to photoelectric imaging system in which the optical system and detector are looked as linear systems. The model of system performance evaluation based on signal to noise ratio bandwidth is built. Signal to noise ratio bandwidth-based computer simulation results are given. According to simulation results, the general matching features and ideal matching condition between optical system and CCD detector are obtained. |
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| Keywords: | linear system matched filters equivalent square bandwidth signal to noise ratio bandwidth |
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