diff --git a/_posts/2023-05-30-1st-orekit-talk-dsst-bryan-cazabonne.md b/_posts/2023-05-30-1st-orekit-talk-dsst-bryan-cazabonne.md index 3fbd956894148041cecf9e13b2e1e562b153ec8f..a7104021fbe0109c474d2a0d0ef1031edc1aae56 100644 --- a/_posts/2023-05-30-1st-orekit-talk-dsst-bryan-cazabonne.md +++ b/_posts/2023-05-30-1st-orekit-talk-dsst-bryan-cazabonne.md @@ -1,9 +1,10 @@ --- -title: "1st Orekit Talk - DSST by Bryan Cazabonne" +title: "1st Orekit Talk - DSST, by Bryan Cazabonne" excerpt: "The 1st session of the Orekit Talks was held on the 23rd of May 2023 and was a great success." layout: post_orekit publication_year: 2023 date: 2023-05-30 09:00:00 +0200 +modified: 2024-02-13 16:29:53 +01:00 project: orekit categories: - News @@ -14,31 +15,47 @@ tags: --- -The 1st session of the "Orekit Talks" was held on the 23rd of May 2023 and was a great success. -The subject was the "recent evolutions of the DSST propagator in the Orekit library". -Thanks to all the attendees for this and a special thanks to Bryan for his interesting and clear presentation! +The 1st session of the "Orekit Talks" was held on the 23rd of May 2023 and was +a great success. The subject was the "recent evolutions of the DSST propagator +in the Orekit library". Thanks to all the attendees for this and a special +thanks to Bryan for his interesting and clear presentation! Here are links to: -* The [slides](https://orekit.org/doc/orekit-talks/1_2023_05_23_DSST/Recent%20evolutions%20of%20DSST%20propagator%20in%20Orekit%20library.pdf), -* And the [video](https://orekit.org/doc/orekit-talks/1_2023_05_23_DSST/OrekitTalk_1st_DSST_BRYAN_CAZABONNE.mp4) of the presentation. +* The [slides][bryan-slides], +* And the [video][bryan-recording]. -You can find the scientific publications that were cited in the presentation here : +You can find the scientific publications that were cited in the presentation +here: -* Cazabonne and Maisonobe, 2018 - [Open Source Orbit Determination with Semi-Analytical Theory](https://www.researchgate.net/publication/328881334_Open_Source_Orbit_Determination_with_Semi-Analytical_Theory) -* Cazabonne and Cefola, 2021 - [Towards Accurate Orbit Determination using Semi-analytical Satellite Theory](https://www.researchgate.net/publication/349311171_Towards_Accurate_Orbit_Determination_using_Semi-analytical_Satellite_Theory) -* Cazabonne et al., 2021 - [A Semi-analytical Approach for Orbit Determination based on Extended Kalman Filter](https://www.researchgate.net/publication/353923078_A_Semi-analytical_Approach_for_Orbit_Determination_based_on_Extended_Kalman_Filter) +* Cazabonne and Maisonobe, 2018 – [Open Source Orbit Determination with Semi-Analytical Theory][os-orbit-deter] +* Cazabonne and Cefola, 2021 - [Towards Accurate Orbit Determination using Semi-analytical Satellite Theory][accurate-orbit] +* Cazabonne et al., 2021 - [A Semi-analytical Approach for Orbit Determination based on Extended Kalman Filter][semi-analytical] And the DSST tutorials here: -* DSST [propagation](https://gitlab.orekit.org/orekit/orekit-tutorials/-/blob/master/src/main/java/org/orekit/tutorials/propagation/DSSTPropagation.java) -* DSST batch least-squares [orbit determination](https://gitlab.orekit.org/orekit/orekit-tutorials/-/blob/master/src/main/java/org/orekit/tutorials/estimation/DSSTOrbitDetermination.java); -* [Extended Semi-Analytical Kalman filter](https://gitlab.orekit.org/orekit/orekit-tutorials/-/blob/master/src/main/java/org/orekit/tutorials/estimation/ExtendedSemianalyticalKalmanFilter.java) (ESKF). +* DSST [propagation][tutorial-dsst] +* DSST batch least-squares [orbit determination][tutorial-least-squares] +* [Extended Semi-Analytical Kalman filter][tutorial-extended-kalman] (ESKF) Some statistics about the meeting: -We were 71 registered and 60 actually present during the meeting (we were targeting 50 people so better than expected). -Orekit is a worldwide project, demonstrated by the nationality of the registered: France, Poland, Luxembourg, Germany, Italy, Portugal, USA, India, Canada, Australia, Spain, Bulgaria, Chile. -The audience included a wide variety of players from industry, government, and academia. -Most of the people who attended were regular users of Orekit. -It proves that our community is alive and healthy, this is really great! - -We will soon organize the 2nd OrekitTalk, so feel free to notify us on the forum if you are a candidate for the presentation. \ No newline at end of file +* We were 71 registered and 60 actually present during the meeting (we were + targeting 50 people so better than expected). +* Orekit is a worldwide project, demonstrated by the nationality of the + registered: France, Poland, Luxembourg, Germany, Italy, Portugal, USA, + India, Canada, Australia, Spain, Bulgaria, Chile. +* The audience included a wide variety of players from industry, government, + and academia. +* Most of the people who attended were regular users of Orekit. +* It proves that our community is alive and healthy, this is really great! + +We will soon organize the 2nd OrekitTalk, so feel free to notify us on the +forum if you are a candidate for the presentation. + +[bryan-slides]: /doc/orekit-talks/20230523/orekit-talk-20230523-dsst-bryan-cazabonne-slides.pdf +[bryan-recording]: /doc/orekit-talks/20230523/orekit-talk-20230523-dsst-bryan-cazabonne-recording.mp4 +[os-orbit-deter]: https://www.researchgate.net/publication/328881334_Open_Source_Orbit_Determination_with_Semi-Analytical_Theory +[accurate-orbit]: https://www.researchgate.net/publication/349311171_Towards_Accurate_Orbit_Determination_using_Semi-analytical_Satellite_Theory +[semi-analytical]: https://www.researchgate.net/publication/353923078_A_Semi-analytical_Approach_for_Orbit_Determination_based_on_Extended_Kalman_Filter +[tutorial-dsst]: https://gitlab.orekit.org/orekit/orekit-tutorials/-/blob/master/src/main/java/org/orekit/tutorials/propagation/DSSTPropagation.java +[tutorial-least-squares]: https://gitlab.orekit.org/orekit/orekit-tutorials/-/blob/master/src/main/java/org/orekit/tutorials/estimation/DSSTOrbitDetermination.java +[tutorial-extended-kalman]: https://gitlab.orekit.org/orekit/orekit-tutorials/-/blob/master/src/main/java/org/orekit/tutorials/estimation/ExtendedSemianalyticalKalmanFilter.java diff --git a/_posts/2023-09-21-2nd-orekit-talk-propagating-uncertainties-florian-humeau.md b/_posts/2023-09-21-2nd-orekit-talk-propagating-uncertainties-florian-humeau.md index db733b7cb16584b0468ca1a7fa96ce63ee1ede94..3fb51baec4eafa263831c29aeb95c189aa624348 100644 --- a/_posts/2023-09-21-2nd-orekit-talk-propagating-uncertainties-florian-humeau.md +++ b/_posts/2023-09-21-2nd-orekit-talk-propagating-uncertainties-florian-humeau.md @@ -4,6 +4,7 @@ excerpt: "The 2st session of the “Orekit Talks†was held on the 21st of Sept layout: post_orekit publication_year: 2023 date: 2023-09-26 09:00:00 +0200 +modified: 2024-02-13 15:26:20 +01:00 project: orekit categories: - News @@ -14,20 +15,33 @@ tags: --- -The 2st session of the “Orekit Talks†was held on the 21st of September 2023. +The 2st session of the “Orekit Talks†was held on the 21st of September 2023. -The subject was “Propagating Uncertainties: New methods of uncertainties propagation with Orekitâ€. -Thanks to all the attendees and a special thanks to Florian Humeau who presented the results of his internship at CS Group. +The subject was “Propagating Uncertainties: New methods of uncertainties +propagation with Orekitâ€. Thanks to all the attendees and a special thanks to +Florian Humeau who presented the results of his internship at CS GROUP. Here is the material from the talk: - - [Florian's slides](https://orekit.org/doc/orekit-talks/2_2023_09_21_Uncertainty_Propagation/2023-09-21%20-%202nd%20OrekitTalk%20Propagating%20Uncertainties%20by%20Florian%20Humeau%20-%20Slides.pdf) - - The [video](https://orekit.org/doc/orekit-talks/2_2023_09_21_Uncertainty_Propagation/2023-09-21%20-%202nd%20OrekitTalk%20Propagating%20Uncertainties%20by%20Florian%20Humeau%20-%20Meeting%20Recording.mp4) of the talk +* [Florian's slides][florian-slides] +* The [video][florian-recording] of the talk Some related scientific publications: - - The Gauss Von Mises propagation method: [Horwood, Joshua & Poore, Aubrey. (2014). Gauss von Mises Distribution for Improved Uncertainty Realism in Space Situational Awareness](https://www.numerica.us/wp-content/uploads/2014/12/Horwood_Poore_SIAM_2_276_2014-2-1.pdf). SIAM/ASA Journal on Uncertainty Quantification. 2. 276-304. 10.1137/130917296. - - The reference for the benchmark of the different uncertainty propagation methods: [Horwood, Joshua & Aristoff, Jeffrey & Singh, Navraj & Poore, Aubrey. (2014). A comparative study of new non-linear uncertainty propagation methods for space surveillance](https://www.numerica.us/wp-content/uploads/2016/02/Numerica_SPIE_9092_2014b.pdf). Proceedings of SPIE - The International Society for Optical Engineering. 9092. 90920H. 10.1117/12.2051353. +* The Gauss Von Mises propagation method: + [Horwood, Joshua & Poore, Aubrey. (2014). Gauss von Mises Distribution for Improved Uncertainty Realism in Space Situational Awareness][gauss-pub]. + SIAM/ASA Journal on Uncertainty Quantification. 2. 276-304. 10.1137/130917296. +* The reference for the benchmark of the different uncertainty propagation methods: + [Horwood, Joshua & Aristoff, Jeffrey & Singh, Navraj & Poore, Aubrey. (2014). A comparative study of new non-linear uncertainty propagation methods for space surveillance][comparative-pub]. + Proceedings of SPIE - The International Society for Optical Engineering. 9092. 90920H. 10.1117/12.2051353. -**We would like to organize the next OrekitTalk, please notify us if you are a candidate for the presentation!!!** -It is open to everyone in the community, you can present your own application or product, the only requirement is that it is based on Orekit, and that you explain us how you used Orekit to build it. +**We would like to organize the next OrekitTalk, please notify us if you are +a candidate for the presentation!!!** It is open to everyone in the community, +you can present your own application or product, the only requirement is that +it is based on Orekit, and that you explain us how you used Orekit to build +it. -See you soon! \ No newline at end of file +See you soon! + +[florian-slides]: /doc/orekit-talks/20230921/orekit-talk-20230921-propagating-uncertainties-florian-humeau-slides.pdf +[florian-recording]: /doc/orekit-talks/20230921/orekit-talk-20230921-propagating-uncertainties-florian-humeau-recording.mp4 +[gauss-pub]: https://www.numerica.us/wp-content/uploads/2014/12/Horwood_Poore_SIAM_2_276_2014-2-1.pdf +[comparative-pub]: https://www.numerica.us/wp-content/uploads/2016/02/Numerica_SPIE_9092_2014b.pdf