1 / 14

Envisat RA-2 Radiometric Calibration Transponder

Envisat RA-2 Radiometric Calibration Transponder. Envisat Calibration Review 9-13 Sept 2002 H. Jackson TOS-ETP. Artemis. Envisat RA-2 Radiometric Calibration Transponder. 1) Requirements. Envisat RA-2 Radiometric Calibration Transponder. 2) Approach.

gittel
Télécharger la présentation

Envisat RA-2 Radiometric Calibration Transponder

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Envisat RA-2 Radiometric Calibration Transponder Envisat Calibration Review 9-13 Sept 2002 H. Jackson TOS-ETP Artemis

  2. Envisat RA-2 Radiometric Calibration Transponder 1) Requirements

  3. Envisat RA-2 Radiometric Calibration Transponder 2) Approach Delay > Pulse length with input & output isolation switches • Provides large signal/clutter ratio. • Easily accommodated by RA-2 instrument. • Allows single antenna for transmit and receive. • Allows internal AGC, uncorrupted by Transmit-Receive leakage. • Also adopted for METOP Ascat calibration transponders

  4. Envisat RA-2 Radiometric Calibration Transponder 3) Simplified schematic New Concepts Validation Studies Support to Projects and Industry

  5. Envisat RA-2 Radiometric Calibration Transponder 4) RF unit HBV Multiplier Filter section of OMUX

  6. Envisat RA-2 Radiometric Calibration Transponder 5) Complete Transponder

  7. Envisat RA-2 Radiometric Calibration Transponder 6) Thermal stability

  8. Envisat RA-2 Radiometric Calibration Transponder 7) RCS Calibration approach As used for ERS SAR, Envisat ASAR, JERS-1 SAR & METOP Ascat ERS

  9. Envisat RA-2 Radiometric Calibration Transponder ASAR Characterisation receiver & Calibration Transponder 8) Calibration range RA-2 Radiometric/Range Calibration Transponder

  10. Envisat RA-2 Radiometric Calibration Transponder 9) Calibration measurements SMOS

  11. Envisat RA-2 Radiometric Calibration Transponder 10) Calibration results

  12. Envisat RA-2 Radiometric Calibration Transponder 11) Overall Performance RCS = 75.08 dB metre^2 Errors:

  13. Envisat RA-2 Radiometric Calibration Transponder 12) Deployment

  14. Envisat RA-2 Radiometric Calibration Transponder 13) Deployment

More Related