Automatically determining the origin direction and propagation mode of high-frequency radar backscatter
Citations Over TimeTop 15% of 2015 papers
Abstract
Elevation angles of returned backscatter are calculated at Super Dual Auroral Radar Network radars using interferometric techniques. These elevation angles allow the altitude of the reflection point to be estimated, an essential piece of information for many ionospheric studies. The elevation angle calculation requires knowledge of the azimuthal return angle. This directional angle is usually assumed to lie along a narrow beam from the front of the radar, even though the signals are known to return from both in front of and behind the radar. If the wrong direction of return is assumed, large uncertainties will be introduced through the azimuthal return angle. This paper introduces a means of automatically determining the correct direction of arrival and the propagation mode of backscatter. The application of this method will improve the accuracy of backscatter elevation angle data and aid in the interpretation of both ionospheric and ground backscatter observations.
Related Papers
- → Azimuth and elevation estimation for noncircular signals(2007)21 cited
- → A Comment on “Joint elevation and Azimuth direction finding using L-shaped array”(2012)5 cited
- → Low cost algorithm for azimuth-elevation joint estimation(2008)4 cited
- A Simple Orientating Method for Vehicleborn Paraboloid Antenna Azimuth and Elevation(2009)
- → Variation of Pointing Vector Direction for Moon-Based Observations(2022)