作者
Wu Yu-Feng, Sun Guang-Cai, Yang Jun, Xing Meng-Dao, Zhou Feng
发表日期
2012/2/19
期刊
电子与信息学报
卷号
34
期号
2
页码范围
279-288
出版商
电子与信息学报
简介
In order to solve the contradiction between high-resolution and wide-swath for the spaceborne single-channel SAR system, this paper proposes a new method based on periodic non-uniform sampling. The method uses the non-uniform sampling to avoid the overlap of blind ranges, making the blind from the same range unit appears in one sampling channel mostly; The method uses the periodic sampling to construct the equivalent multi-channel data, and uses the multi-channel unambiguous reconstruction method to reconstruct the signals spectrum. The paper also analyzes the optimal design of non-uniform sampling method in detail. Finally, simulation results verify the effectiveness of the method.
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