NDLI: Estimation of arrival modes of multipath signals in the tropical evaporation duct

Content Provider	IEEE Xplore Digital Library
Author	Lensson, E.S. Kerans, A.J. French, G. Kulessa, A.
Copyright Year	2002
Description	Author affiliation: Radio Syst. Res. Group, Univ. of Canberra, ACT, Australia (Lensson, E.S.; Kerans, A.J.; French, G.)
Abstract	The angle-of-arrival (AoA) of a microwave radio signal propagating via the tropical evaporation duct contains useful information about propagation modes that support transmission well beyond the nominal radio horizon within the region above a warm ocean surface. The characterisation of propagation modes using the AoA has important applications in interference management and target detection/ranging. Fourier domain algorithms have been used for AoA estimation in this application, but the study of complex propagation modes mandates the investigation of higher resolution algorithms. The University of Canberra Radio Spectrum Research Group (RSRG) is constructing a 16 element linear array, capable of resolving complex duct structures using AoA. Initially using Fourier domain methods, an AoA estimation algorithm based on subspace eigen analysis is to be investigated and compared. Other methods that may be considered include statistical signal characterisation and the wavelet transform.
Starting Page	116
Ending Page	119
File Size	297191
Page Count	4
File Format	PDF
ISBN	0780375653
DOI	10.1109/SCORED.2002.1033071
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-07-17
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis Wavelet transforms Electromagnetic heating Sea surface Oceans Ducts Interference Object detection Signal resolution Microwave propagation
Content Type	Text
Resource Type	Article

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Electromagnetic Waves Propagation Above Rough Sea Surface Application to Evaporation Ducts

The effects of radar detection in heterogeneous evaporation duct conditions

Influence of sea surface roughness on electromagnetic waves propagation in presence of evaporation duct

9.1 air-sea interaction effects on microwave propagation over the sea during the rough evaporation duct (red) experiment.

Microwave and infrared propagation over the sea during the rough evaporation duct (RED) experiment

Influence of sea surface roughness on the electromagnetic wave propagation in the duct environment

A comparison of microwave propagation models and evaporation duct height estimation techniques with actual near water atmospheric and radio data taken in North Queensland, Australia in May 2001

Modelling evaporation duct effects on microwave propagation with experiment validation

Simulation of microwave propagation in turbulent evaporation duct

Estimation of arrival modes of multipath signals in the tropical evaporation duct

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