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Evaluation of BAQ on Tiangong-2 interferometric imaging radar altimeter data compression
Shi, Xiaojin; Zhang, Yunhua; Dong, Xiao
Source PublicationMIKON 2018 - 22nd International Microwave and Radar Conference
AbstractTiangong-2 Interferometric imaging radar altimeter (InIRA) applies the technology of small incident angle and high precision interferometric phase measurement, which has the characteristics of wide swath, imaging and high accuracy height measuring. Compared with traditional altimeter, InIRA can realize much wider swath and can obtain SAR image of observed area, so there is a high requirement of onboard memory and downlink speed for InIRA. As a result, we need to investigate data compression technique for InIRA to reduce the data rate. As an efficient algorithm for SAR echoes data compression, Block Adaptive Quantization (BAQ) is widely used to spaceborne SAR system for raw data compression. The motivation of this work is to evaluate the influence of BAQ algorithm on interferometric coherence and sea surface height error for InIRA. © 2018 Warsaw University of Technology.
KeywordInterferometric Imaging Radar Altimeter (Inira) Block Adaptive Quantization(Baq) Synthetic Aperture Radar (Sar) Data Compression
Conference Name22nd International Microwave and Radar Conference, MIKON 2018
Conference DateMay 14, 2018 - May 17, 2018
Conference PlacePoznan, Poland
Indexed ByEI
Document Type会议论文
Recommended Citation
GB/T 7714
Shi, Xiaojin,Zhang, Yunhua,Dong, Xiao. Evaluation of BAQ on Tiangong-2 interferometric imaging radar altimeter data compression[C],2018:623-624.
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