Design and realization of an active SAR calibrator for TerraSAR-X

Dummer, Georg; Lenz, R.; Lutz, B.; Kühl, Markus; Müller-Glaser, Klaus D.; Wiesbeck, W.

doi:10.1117/12.627588

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2006

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“…The RF-unit consists of the transponder unit, which will retransmit the received radar signal to the satellite, the receiver and detection unit, which down-converts and demodulates the received radar signal [1]. The digital control unit consists of the PMU and the ECU [2].…”

Section: System Overviewmentioning

confidence: 99%

The TerraSAR-X Active Calibration Instruments and Performance Analysis

Lenz¹,

Wiesbeck²

2006

2006 IEEE International Symposium on Geoscience and Remote Sensing

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This paper describes the development and system concept for an active and highly integrated, digitally controlled SAR system calibrator. For precise and high-quality SAR data, precise ground targets are necessary for external calibration of the SAR data. Compared to passive targets, active radar targets like transponders offer more features. The recording of the transmitted radar signals from the satellite becomes possible and allows additional data analysis and data correction. A total of 18 active transponder and receiver systems and 16 receiver only systems will be fabricated for the TerraSAR-X calibration campaign in fall 2006.

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Section: System Overviewmentioning

confidence: 99%