| 采用频域相移检测法的激光定位技术 |
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| 引用本文： | 黄鲤,金韬.采用频域相移检测法的激光定位技术[J].光通信技术,2004,28(6):10-12. |
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| 作者姓名： | 黄鲤 金韬 |
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| 作者单位： | 浙江大学信息与电子工程学系,杭州,310027 |
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| 摘 要： | 提出了一种基于修正的快速傅立叶变换的光信号位置检测方法--频域相移检测法,理论分析计算显示,该方法具有很高的激光定位精度和较强的噪声抑制能力,性能优于传统的质心法,非常适合应用于星间光通信的瞄准捕获跟踪系统。
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| 关 键 词： | 频域相移检测 瞄准捕获跟踪 快速傅立叶变换 |
| 修稿时间： | 2003年12月17 |
Laser Beam Positioning Technique by Frequency Domain Phase Detection Method |
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| HUANG Li,JIN Tao.Laser Beam Positioning Technique by Frequency Domain Phase Detection Method[J].Optical Communication Technology,2004,28(6):10-12. |
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| Authors: | HUANG Li JIN Tao |
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| Abstract: | A new method of optical position detection based on modified Fast Fourier Transform (FFT), named Frequency Domain Phase Detection (FDPD), is presented. Theoretical analysis shows that this method is far superior to traditional Centroid Method in its high laser beam positioning accuracy and noise inhibiting ability. This technique is quite feasible in pointing, APT system for inter-satellite laser communication. |
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| Keywords: | FDPD APT modified FFT |
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