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https://hdl.handle.net/2440/98792
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Type: | Journal article |
Title: | A directional HF noise model: Calibration and validation in the Australian region |
Author: | Pederick, L. Cervera, M. |
Citation: | Radio Science, 2016; 51(1):25-39 |
Publisher: | American Geophysical Union |
Issue Date: | 2016 |
ISSN: | 0048-6604 1944-799X |
Statement of Responsibility: | L. H. Pederick, and M. A. Cervera |
Abstract: | The performance of systems using HF (high frequency) radio waves, such as over-the-horizon radars, is strongly dependent on the external noise environment. However, this environment has complex behavior and is known to vary with location, time, season, sunspot number, and radio frequency. It is also highly anisotropic, with the directional variation of noise being very important for the design and development of next generation over-the-horizon radar. By combining global maps of lightning occurrence, raytracing propagation, a model background ionosphere and ionospheric absorption, the behavior of noise at HF may be modeled. This article outlines the principles, techniques, and current progress of the model and calibrates it against a 5 year data set of background noise measurements. The calibrated model is then compared with data at a second site. |
Rights: | © 2016 Commonwealth of Australia (Defence Science and Technology Group |
DOI: | 10.1002/2015RS005842 |
Published version: | http://dx.doi.org/10.1002/2015rs005842 |
Appears in Collections: | Aurora harvest 3 Geology & Geophysics publications |
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