Pulse-based internal calibration of polarimetric SAR

Author

Dall, Jørgen ; Skou, Niels ; Christensen, Erik Lintz

Author_Institution

Electromagn. Inst., Tech. Univ. Denmark, Lyngby, Denmark

Volume

4

fYear

1994

fDate

8-12 Aug 1994

Firstpage

2205

Abstract

Internal calibration greatly diminishes the dependence on calibration target deployment compared to external calibration. Therefore the Electromagnetics Institute (EMI) at the Technical University of Denmark (TUD) has equipped its polarimetric SAR, EMISAR, with several calibration loops and developed a procedure for calibrating the entire system except a few passive components which must be measured in the laboratory. The calibration procedure has great potential as it takes into account the SAR point target response (PTR) unlike most other internal calibration schemes. However, it requires a highly stable system

Keywords

calibration; geophysical equipment; geophysical techniques; radar applications; radar equipment; radar polarimetry; remote sensing by radar; spaceborne radar; synthetic aperture radar; EMISAR; Electromagnetics Institute (EMI; Technical University of Denmark; geophysical measurement technique; instrument; land surface; point target response; polarimetric SAR; pulse-based internal calibration; radar polarimetry; radar remote sensing; spaceborne radar; synthetic aperture radar; terrain mapping; Antenna measurements; Calibration; Electromagnetics; Laboratories; Polarization; Pulse measurements; Radar cross section; Radio transmitters; Radiometry; Switches;

fLanguage

English

Publisher

ieee

Conference_Titel

Geoscience and Remote Sensing Symposium, 1994. IGARSS '94. Surface and Atmospheric Remote Sensing: Technologies, Data Analysis and Interpretation., International

Conference_Location

Pasadena, CA

Print_ISBN

0-7803-1497-2

Type

conf

DOI

10.1109/IGARSS.1994.399693

Filename

399693