Quantitative exploitation of RADARSAT CDPF products for land applications: geometric and radiometric considerations

Author

Lukowski, T.I. ; Hawkins, R.K.

Author_Institution

Canada Centre for Remote Sensing, Ottawa, Ont., Canada

Volume

5

fYear

1998

fDate

6-10 Jul 1998

Firstpage

2468

Abstract

RADARSAT images produced by the Canadian Data Processing Facility assume that the Earth is, in general, elliptical but the locally spherical approximation can easily be made. This can have significant impact on the determination of location error from the images and on the correction for antenna pattern that is performed in the processing. Selected examples show that even at terrain altitudes of 2000 m these can be significant leading to radiometric errors of many dB and location errors of several km

Keywords

geophysical techniques; radar imaging; remote sensing by radar; spaceborne radar; synthetic aperture radar; CDPF; RADARSAT; antenna pattern; correction; geometric consideration; geophysical measurement technique; image registration; land surface; location error; radar imaging; radar remote sensing; radiometric consideration; radiometric error; spaceborne radar; spherical approximation; terrain mapping; Data processing; Earth; Error correction; Geometry; Lighting; Radiometry; Remote sensing; Sea level; Spaceborne radar; Synthetic aperture radar;

fLanguage

English

Publisher

ieee

Conference_Titel

Geoscience and Remote Sensing Symposium Proceedings, 1998. IGARSS '98. 1998 IEEE International

Conference_Location

Seattle, WA

Print_ISBN

0-7803-4403-0

Type

conf

DOI

10.1109/IGARSS.1998.702248

Filename

702248