High-precision measurement of satellite range and velocity using the EISCAT radar
This paper is a continuation of an earlier work by Nygrén et al. (2012), where the velocity of a hard target was determined from a set of echo pulses reflected by the target flying through the radar beam. Here the method is extended to include the determination of range at a high accuracy. The m...
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doaj-85d7c9e9b4584092aef8f8149c269e832020-11-25T00:01:33ZengCopernicus PublicationsAnnales Geophysicae0992-76891432-05762013-05-013185987010.5194/angeo-31-859-2013High-precision measurement of satellite range and velocity using the EISCAT radarJ. Markkanen0T. Nygrén1M. Markkanen2M. Voiculescu3A. Aikio4EISCAT Scientific Association, Tähteläntie 54 B, 99600 Sodankylä, FinlandDepartment of Physics, University of Oulu, P.O. Box 3000, 90014, FinlandEigenor Ltd, Lompolontie 1, 99600 Sodankylä, FinlandDepartment of Physics, Faculty of Sciences, University "Dunărea de Jos" Galaţi, St. Domnească, No. 47, 800008 Galaţi, RomaniaDepartment of Physics, University of Oulu, P.O. Box 3000, 90014, FinlandThis paper is a continuation of an earlier work by Nygrén et al. (2012), where the velocity of a hard target was determined from a set of echo pulses reflected by the target flying through the radar beam. Here the method is extended to include the determination of range at a high accuracy. The method is as follows. First, the flight time of the pulse from the transmitter to the target is determined at an accuracy essentially better than the accuracy given by the sampling interval. This method makes use of the fact that the receiver filtering creates slopes at the phase flips of the phase modulated echo pulse. A precise flight time is found by investigating the echo amplitude within this slope. A value of velocity is calculated from each echo pulse as explained in the earlier paper. Next, the ranges together with velocities from a single beam pass are combined to a measurement vector for a linear inversion problem. The solution of the inversion problem gives the time-dependent range and velocity from the time interval of satellite flight through the radar beam. The method is demonstrated using the EISCAT (European Incoherent Scatter) UHF radar and radio pulses reflected by a satellite. The achieved standard deviations of range are about 5–50 cm and those of velocity are about 3–25 mm s<sup>−1</sup>.https://www.ann-geophys.net/31/859/2013/angeo-31-859-2013.pdf |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
J. Markkanen T. Nygrén M. Markkanen M. Voiculescu A. Aikio |
spellingShingle |
J. Markkanen T. Nygrén M. Markkanen M. Voiculescu A. Aikio High-precision measurement of satellite range and velocity using the EISCAT radar Annales Geophysicae |
author_facet |
J. Markkanen T. Nygrén M. Markkanen M. Voiculescu A. Aikio |
author_sort |
J. Markkanen |
title |
High-precision measurement of satellite range and velocity using the EISCAT radar |
title_short |
High-precision measurement of satellite range and velocity using the EISCAT radar |
title_full |
High-precision measurement of satellite range and velocity using the EISCAT radar |
title_fullStr |
High-precision measurement of satellite range and velocity using the EISCAT radar |
title_full_unstemmed |
High-precision measurement of satellite range and velocity using the EISCAT radar |
title_sort |
high-precision measurement of satellite range and velocity using the eiscat radar |
publisher |
Copernicus Publications |
series |
Annales Geophysicae |
issn |
0992-7689 1432-0576 |
publishDate |
2013-05-01 |
description |
This paper is a continuation of an earlier work by Nygrén et al.
(2012), where
the velocity of a hard target was determined from a set of echo pulses
reflected by the target flying through the radar beam. Here the method is
extended to include the determination of range at a high accuracy. The method
is as follows. First, the flight time of the pulse from the transmitter to
the target is determined at an accuracy essentially better than the accuracy
given by the sampling interval. This method makes use of the fact that the
receiver filtering creates slopes at the phase flips of the phase modulated
echo pulse. A precise flight time is found by investigating the echo
amplitude within this slope. A value of velocity is calculated from each echo
pulse as explained in the earlier paper. Next, the ranges together with
velocities from a single beam pass are combined to a measurement vector for a
linear inversion problem. The solution of the inversion problem gives the
time-dependent range and velocity from the time interval of satellite flight
through the radar beam. The method is demonstrated using the EISCAT (European Incoherent Scatter) UHF radar
and radio pulses reflected by a satellite. The achieved standard deviations
of range are about 5–50 cm and those of velocity are about 3–25 mm s<sup>−1</sup>. |
url |
https://www.ann-geophys.net/31/859/2013/angeo-31-859-2013.pdf |
work_keys_str_mv |
AT jmarkkanen highprecisionmeasurementofsatelliterangeandvelocityusingtheeiscatradar AT tnygren highprecisionmeasurementofsatelliterangeandvelocityusingtheeiscatradar AT mmarkkanen highprecisionmeasurementofsatelliterangeandvelocityusingtheeiscatradar AT mvoiculescu highprecisionmeasurementofsatelliterangeandvelocityusingtheeiscatradar AT aaikio highprecisionmeasurementofsatelliterangeandvelocityusingtheeiscatradar |
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