Title :
Analog raw SAR data reduction using dynamic range limiting: background and experimental results with the PHARUS system
Author :
Bierens, Laurens ; Otten, Matern
Author_Institution :
TNO Phys. & Electron. Lab., The Hague, Netherlands
Abstract :
Describes the theoretical background of dynamic range limiting, an analog raw SAR data reduction technique. A Dynamic Range Limiter (DRL) breadboard model is presented, which has been used to prove the concept of this technique. The first results of the DRL experiment with the PHARUS airborne SAR system have shown that the DRL performs its function as expected and improves image quality when a low number of bits is used for the raw data. An additional experiment is required to demonstrate the DRL on extreme backscatter changes, such as a transition from land to sea
Keywords :
airborne radar; data reduction; synthetic aperture radar; DRL breadboard model; DRL experiment; Dynamic Range Limiter; PHARUS airborne SAR system; analogue raw SAR data reduction technique; dynamic range limiting; experimental results; extreme backscatter changes; image quality; land-sea transition; theoretical background; Backscatter; Bandwidth; Dynamic range; Image quality; Laboratories; Physics; Polarization; Sampling methods; Satellite ground stations; Spaceborne radar;
Conference_Titel :
Geoscience and Remote Sensing Symposium Proceedings, 1998. IGARSS '98. 1998 IEEE International
Print_ISBN :
0-7803-4403-0
DOI :
10.1109/IGARSS.1998.699699