Estimating Satellite Trajectories Using Backscattered Radar Signals Received in Ionospheric Experiments at Jicamarca
Sain, Arghya
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https://hdl.handle.net/2142/46977
Description
Title
Estimating Satellite Trajectories Using Backscattered Radar Signals Received in Ionospheric Experiments at Jicamarca
Author(s)
Sain, Arghya
Contributor(s)
Kudeki, Erhan
Issue Date
2010-12
Keyword(s)
backscattered radar
satellite trajectory estimation
ionospheric sensing
Abstract
The antenna arrays at the Jicamarca Radio Observatory, Peru, are used to probe the
Earth’s ionosphere. For this purpose pulses are sent out at regular intervals from the
antenna arrays, and the backscatter signals from different layers of the atmosphere are
collected. In the process echo from the satellites (or space junk) passing over the field of
vision of receiving antennas are also received and stored. The work here involves
detecting these satellites and estimating their trajectory. Results suggest that one can
use the phase information and the power from satellite echo along with the antenna
radiation pattern simultaneously to approximately estimate the direction of motion of
the satellites. This work can be further extended to compare the actual antenna
radiation pattern obtained in the process with the simulated radiation pattern.
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