| 无透镜强度相关器中信号尺度和旋转变化的效应 |
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| 引用本文： | 王肇圻. 无透镜强度相关器中信号尺度和旋转变化的效应[J]. 中国激光, 1987, 14(11): 658-661 |
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| 作者姓名： | 王肇圻 |
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| 作者单位： | 南开大学现代光学研究所 |
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| 摘 要： | 分析和计算了利用费涅耳全息滤波器的无透镜强度相关检测中,输入信号尺度和旋转变化的效应。结果表明,无透镜强度相关器对信号的尺度和旋转变化不敏感,这给特定应用的特征识别带来方便。
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| 收稿时间： | 1986-09-24 |
Effect of change in scale and rotation of signals in a lensless intensity correlator |
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| Abstract: | The effect of change in scale and rotation of the signals in a lenslesa intensity correlator using Fresnel holographic filter has been considered both theoretically and experimentally. The experimental results show that it ia not sensitive to scale change and rotation. Thus it offers convenience in the application of certain pattern recognition. |
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