| 光纤链路噪声及其对光控相控阵列的影响研究 |
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| 引用本文： | 高瑜翔,何子述,徐继麟,韩春林.光纤链路噪声及其对光控相控阵列的影响研究[J].电波科学学报,2006,21(1):21-25. |
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| 作者姓名： | 高瑜翔 何子述 徐继麟 韩春林 |
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| 作者单位： | 电子科技大学电子工程学院,四川,成都,610054 |
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| 摘 要： | 在对光纤链路噪声分析和建立的光控相控阵列模型的基础上,通过计算机数值模拟,研究了光路系统噪声对光控阵列方向图和方向性系数及其对阵列接收的线性调频(LFM)雷达信号的脉冲压缩的影响.分析和仿真表明,整个光纤链路的信噪比应大于10dB.
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| 关 键 词： | 光控相控阵 噪声 方向性系数 LFM脉冲压缩 |
| 文章编号： | 1005-0388（2006）01-0021-05 |
| 收稿时间： | 2004-09-07 |
| 修稿时间： | 2004年9月7日 |
Noise analysis of fiber-optic link and its effect on optically controlled phased array system |
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| GAO Yu-xiang,HE Zi-shu,XU Ji-lin,HAN Chun-lin.Noise analysis of fiber-optic link and its effect on optically controlled phased array system[J].Chinese Journal of Radio Science,2006,21(1):21-25. |
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| Authors: | GAO Yu-xiang HE Zi-shu XU Ji-lin HAN Chun-lin |
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| Affiliation: | College of Electronic Engineering, University of Electronic Science and Technology of China, gyx000@163, com, Chengdu Sichuan 610054, China |
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| Abstract: | The noises of fiber-optic link is analyzed and the numerical simulation model of optically controlled phased array is built in this paper. Based on the numerical simulation, the noise influences of optical link on pattern and directivity of optically controlled phased array; and on compression of LFM received by an array are discussed. The analyses and simulation results indicate that the total signal-noise ratio (SNR) for an optical link may be above 10 dB. |
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| Keywords: | noise optically controlled phased array directivity LFM pulse compression |
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