Angle of arrival estimation using spectral interferometry

被引：21

作者：

Barber, Z. W. ^{[1
]}

Harrington, C. ^{[1
]}

Thiel, C. W. ^{[1
]}

Babbitt, W. R. ^{[1
]}

Mohan, R. Krishna ^{[1
]}

机构：

[1] Montana State Univ, Spectrum Lab, Bozeman, MT 59717 USA

来源：

JOURNAL OF LUMINESCENCE | 2010年 / 130卷 / 09期

关键词：

Angle of arrival; Time difference of arrival; Spatial spectral holography; Mach-Zehnder Interferometer; DEMONSTRATIONS;

D O I：

10.1016/j.jlumin.2009.12.021

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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.

引用

页码：1614 / 1618

页数：5

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