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Using quaternions in DORIS data processing
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В работе выполнено исследование применения кватернионов при обработке DORIS измерений формата RINEX и про- ведена оценка влияния использования кватернионов на точность результатов обработки. Обработка данных с ис- пользованием кватернионов применялась для измерений спутников Jason2 и Jason3. Для проекта Jason2 интервал обработки составлял 2008.5–2019.8 гг., для проекта Jason3 — 2016.0–2023.0 гг. Результаты вычисления радиальной скорости между передатчиками и приемниками указанных миссий показывают незначительное уменьшение сред- ней остаточной погрешности радиальной скорости при использовании кватернионов (менее 1%). Таким образом, при используемой стратегии обработки DORIS измерений, использование кватернионов не оказывает существенного влияния на точность получаемого решения.
The paper investigates the use of quaternions in processing DORIS measurements of RINEX format and evaluates the impact of using quaternions on the accuracy of processing results. Data processing using quaternions was used for measurements of the Jason2 and Jason3 satellites. For the Jason2 project, the processing interval was 2008.5–2019.8, for the Jason3 project — 2016.0–2023.0. The results of the radial velocity calculation between the transmitters and receivers of these missions show a slight decrease in the average residual radial velocity error when using quaternions (less than 1 percent). Thus, with the DORIS measurement processing strategy used, the use of quaternions does not significantly affect on the accuracy of the resulting solution.
Institute of Astronomy of the Russian Academy of Sciences
Title: Using quaternions in DORIS data processing
Description:
В работе выполнено исследование применения кватернионов при обработке DORIS измерений формата RINEX и про- ведена оценка влияния использования кватернионов на точность результатов обработки.
Обработка данных с ис- пользованием кватернионов применялась для измерений спутников Jason2 и Jason3.
Для проекта Jason2 интервал обработки составлял 2008.
5–2019.
8 гг.
, для проекта Jason3 — 2016.
0–2023.
0 гг.
Результаты вычисления радиальной скорости между передатчиками и приемниками указанных миссий показывают незначительное уменьшение сред- ней остаточной погрешности радиальной скорости при использовании кватернионов (менее 1%).
Таким образом, при используемой стратегии обработки DORIS измерений, использование кватернионов не оказывает существенного влияния на точность получаемого решения.
The paper investigates the use of quaternions in processing DORIS measurements of RINEX format and evaluates the impact of using quaternions on the accuracy of processing results.
Data processing using quaternions was used for measurements of the Jason2 and Jason3 satellites.
For the Jason2 project, the processing interval was 2008.
5–2019.
8, for the Jason3 project — 2016.
0–2023.
The results of the radial velocity calculation between the transmitters and receivers of these missions show a slight decrease in the average residual radial velocity error when using quaternions (less than 1 percent).
Thus, with the DORIS measurement processing strategy used, the use of quaternions does not significantly affect on the accuracy of the resulting solution.
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