Compressive sensing with a microwave photonic filter

Compressive sensing with a microwave photonic filter
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使用微波光子滤波器进行压缩传感

DOI:
10.1016/j.optcom.2014.11.012
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发表时间:
2015-03
影响因子:
2.4
通讯作者:
Michael Galili
Michael Galili
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Shilie Zheng;Xianmin Zhang;Xiaofeng Jin;Michael Galili

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在这封信中,我们提出了一种利用微波光子滤波技术实现光子辅助压缩传感(CS)的新方法。在所提出的系统中,要捕获的输入光谱稀疏信号和随机序列通过两个马赫-曾德调制器(MZM)调制在光载波上。因此,混合过程(待捕获信号与随机序列混合)是在光域中实现的。然后混合的光信号通过一段色散光纤传播。由于色散光链路中的双边带调制会导致频率相关的功率衰减,因此可以实现 CS 中所需的低通滤波。成功演示了对包含 310 MHz、1 GHz 和 2 GHz 三个音调且压缩系数高达 10 的信号进行压缩采样和恢复的概念验证实验。还提供了更多仿真结果,以恢复更宽带宽和更多频率分量的信号。
In this letter, we present a novel approach to realizing photonics-assisted compressive sensing (CS) with the technique of microwave photonic filtering. In the proposed system, an input spectrally sparse signal to be captured and a random sequence are modulated on an optical carrier via two Mach–Zehnder modulators (MZMs). Therefore, the mixing process (the signal to be captured mixing with the random sequence) is realized in the optical domain. The mixed optical signal then propagates through a length of dispersive fiber. As the double-sideband modulation in a dispersive optical link leads to a frequency-dependent power fading, low-pass filtering required in the CS is then realized. A proof-of-concept experiment for compressive sampling and recovery of a signal containing three tones at 310 MHz, 1 GHz and 2 GHz with a compression factor up to 10 is successfully demonstrated. More simulation results are also presented to recover signals within wider bandwidth and with more frequency components.
DOI: 10.1364/ao.51.006448
发表时间: 2011-11
期刊: 2011 IEEE Avionics, Fiber- Optics and Photonics Technology Conference
影响因子: --
作者:
J. Nichols;C. McLaughlin;F. Bucholtz
通讯作者: J. Nichols;C. McLaughlin;F. Bucholtz
DOI: 10.1364/ol.37.004636
发表时间: 2012-11
期刊: Optics letters
影响因子: 3.6
作者:
H. Chi;Yuan Mei;Ying Chen;Donghui Wang;Shilie Zheng;Xiaofeng Jin;Xianmin Zhang
通讯作者: H. Chi;Yuan Mei;Ying Chen;Donghui Wang;Shilie Zheng;Xiaofeng Jin;Xianmin Zhang
DOI: 10.1364/ol.38.004892
发表时间: 2013-11-15
期刊: OPTICS LETTERS
影响因子: 3.6
作者:
Bosworth, Bryan T.;Foster, Mark A.
通讯作者: Foster, Mark A.
DOI: 10.1364/oe.19.007339
发表时间: 2011-04-11
期刊: OPTICS EXPRESS
影响因子: 3.8
作者:
Nichols, J. M.;Bucholtz, F.
通讯作者: Bucholtz, F.
DOI: 10.1109/22.618444
发表时间: 1997-08
影响因子: 4.3
作者:
Graham H. Smith;D. Novak;Zaheer Ahmed
通讯作者: Graham H. Smith;D. Novak;Zaheer Ahmed