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Design of a radar control and signal processor unit for the TARA radar

Design of a radar control and signal processor unit for the TARA radar. First meeting. BAP afstudeerproject Yann Dufournet. Presentation of the Project team. Students. Supervisors. Enzo den Engelsen Ester Stienstra Jeroen Hendrikus Franciscus van Gemert Martijn Janssen

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Design of a radar control and signal processor unit for the TARA radar

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  1. Design of a radar control and signal processor unit for the TARA radar First meeting BAP afstudeerproject Yann Dufournet

  2. Presentation of the Project team Students Supervisors • Enzo den Engelsen • Ester Stienstra • Jeroen Hendrikus Franciscus van Gemert • Martijn Janssen • Satoshi Malotaux • Vinay Suraj Niddha • Yann Dufournet • Tobias Otto • Christine Unal • Simone Placidi • Fred van der Zwan

  3. People: Herman Russchenberg Permanent staff: Christine Unal, Yann Dufournet Post-Doc: Tobias Otto PhD’s: Christine Brandau, Simone Placidi + Master students Technicians : Fred van der Zwan and Paul Hakkaart Topic:Atmospheric Remote-sensing The ATMOS-RSE group (TU Delft) • Website : atmos.irctr.tudelft.nl • Blog: atmos.weblog.tudelft.nl • - Radar technical development • Signal processing • atmospheric applications radar

  4. Area of research Cloud system Satellite observations Simone Yann Ice / mixed-phase clouds Water clouds Studies Microphysics of particles present in the cloud system + Motion of the particles - dynamic Christine B. Simone Precipitation Tobias Christine U. Cloud dynamic Ground-based observations Christine U.

  5. Cloud composition Cloud description aggregates Pristine ice crystals 100 μm Tiny particles Water droplets Graupel / hail

  6. Cloud effects on weather Heavy rainfall Storms - lightening flooding

  7. Cloud effects on Climate Cloud coverage ~ 70 % Impacts on solar and Earth radiations Impacts not assessed yet! Need observations

  8. Density : Relative permittivity : w Oblate particles Shape / habit : D Terminal fall velocity : Cloud observation Macrophysical properties: cloud height, thickness phase orientation particle size distribution + cloud system dynamic

  9. size Challenge of atmospheric observation Den Haag + moving targets! 12 km Difficult to currently get proper microphysical information

  10. CESAR observatory – Cabauw location

  11. CESAR observatory – Cabauw site Satellites IDRA Weather sensors 213 m tower lidar TARA Wind profiler radars Radiation sensors radiometers Ground-based remote-sensing Overview from the tower (2002)

  12. The advanced atmospheric IRCTR radars TARA (S Band) IDRA (X Band) transmitter receiver 12 m Profiling radar scanning radar radar height Y Y X time X radar

  13. Horizontal polarization Vertical polarization Specificity of IRCTR radars Radar resolution volume Cloud particle F F + fd Ability to measure axis ratio using dual polarizations Ability to measure fall velocity using Doppler effect Improvement of atmospheric particles observations !!

  14. BAP project: main goal Time Current time Cloudy precipitation Clear sky TARA Reflectivity [dBZ] Radar processing Mean radial velocity [m.s-1] Time

  15. Radar control unit for real time processing Main goal of the project Large amount of information Processing data Data visualisation and storage Control radar Acquiring data

  16. Radar control unit for real time processing Main needs Applications • Easy new processing implementation within different radars • international use (data format + transfer) • clear interface and visualization • real time (for campaign and monitoring) • International scientific community • improving cloud resolving model algorithms • standard radar data dissemination during measurement campaign • cities (e.g. Rotterdam) • climate: standard radar data dissemination during monitoring period in Cabauw

  17.  Visit CESAR supersite (CABAUW)  ATMOS room computers + processing software  Tests on the TARA radars  Supervising team Fred van der Zwan Tobias Otto Simone Placidi Tobias Otto Christine Unal Yann Dufournet Radar control unit for real time processing Tools and facilities available Processing data Data vizualisation and storage Control radar Acquiring data

  18. Expectations: Self-initiative, team work, intense communication between students and supervisors. Writing business plan Next meeting: end of March Technical introduction of the project + sub-group formation Start of the project: April 18th Mid-term symposium: compulsory for students! 24 June: ‘Grande Finale’ Expectation and Future tasks

  19. Questions ?

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