Research on polar format imaging algorithm for MIMO radar based on ISAR technique

被引：0
作者：
机构：
[1] School of Electronic and Optical Engineering, Nanjing University of Science and Technology
来源：
Chen, G. (gang.chen@foxmail.com) | 2013年 / China Spaceflight Society卷 / 34期
关键词：
ISAR; MIMO radar; Polar coordinate format algorithm; Radar imaging;
D O I：
10.3873/j.issn.1000-1328.2013.08.015
中图分类号：
学科分类号：
摘要：
The system configuration and its signal model of MIMO radar based on the ISAR technique is analyzed. Considering the distributed characteristics of echo signals in a wavenumber domain by use of two-step reduces dimension, a new effective polar format algorithm is presented, and some guidelines for designing MIMO imaging radar arrays are obtained. The algorithm transforms the echo data from four-dimension to two-dimension through alternately reduced dimension and sorting. The two 1-D interpolations in range and azimuth are used to convert the echo data from polar coordinate to cartesian coordinate. Analysis of the error introduced by the plane wave assumption provides limits on the imaged scene size. Finally, the simulations are performed to verify the algorithm.
引用
收藏
页码：1137 / 1145
页数：8
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