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Proceedings Paper

Use of Block adaptive polar quantizer for synthetic aperture radar raw data compression
Author(s): Weiqiang Zheng; Zhiqin Zhao; ShunJi Huang
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Paper Abstract

Synthetic aperture radar (SAR) is getting more and more wide use in many areas. To lower the bit-flow will benefit both the communication and storage of raw data. Megellan SAR used a block adaptive quantization (BAQ) method. It estimates the statistics of the source and attempts to match the quantizer to the observed time-varying statistics. Because of its simplicity and effectiveness, many other SAR also used the BAQ algorithm. In this paper we use the polar quantizer instead of the quadrature quantizer in BAQ. Two kinds of polar quantizer are introduced and tested with X-SAR raw data.

Paper Details

Date Published: 28 July 1997
PDF: 7 pages
Proc. SPIE 3070, Algorithms for Synthetic Aperture Radar Imagery IV, (28 July 1997); doi: 10.1117/12.281574
Show Author Affiliations
Weiqiang Zheng, Univ. of Electronic Science And Technology (China)
Zhiqin Zhao, Univ. of Electronic Science And Technology (China)
ShunJi Huang, Univ. of Electronic Science And Technology (China)


Published in SPIE Proceedings Vol. 3070:
Algorithms for Synthetic Aperture Radar Imagery IV
Edmund G. Zelnio, Editor(s)

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