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Angle of arrival estimation using spectral interferometry
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DOI：10.1016/j.jlumin.2009.12.021.png)
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摘要
En 中文
We have developed a correlative signal processing concept based on a Mach-Zehnder interferometer and spatial-spectral (52) materials that enables direct mapping of RF spectral phase as well as power spectral recording. This configuration can be used for precise frequency resolved time delay estimation between signals received by a phased antenna array system that in turn could be utilized to estimate the angle of arrival. We present an analytical theoretical model and a proof-of-principle demonstration of the concept of time difference of arrival estimation with a cryogenically cooled Tm:YAG crystal that operates on microwave signals modulated onto a stabilized optical carrier at 793 nm. (c) 2009 Elsevier B.V. All rights reserved.
Keyword:
Angle of arrival
Time difference of arrival
Spatial spectral holography
Mach-Zehnder Interferometer
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期刊
IF:
3.6
论文数:
1.6W
被引数:
2.8W
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Demonstrations of analog-to-digital conversion using a frequency domain stretched processor.png)
OPTICS EXPRESS
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OPTICS EXPRESSIF3.3
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