文档介绍：: .
雷达学报
条件。根据这个可靠性保证条件，提出了一种估计最少航过数量的方法。与传统的最少航过数量估计方法相
比，所提方法的优势在于：同时考虑所有的相关参数，且具有解析的数学描述式。最后，仿真实验证实由所提方法
估算的航过数量确实接近最小，且能够保证重构结果可靠。
关键词：层析 SAR；互质阵列；最少航过数量；样本协方差矩阵的特征值；散射点数量估计
中图分类号：
DOI：
引用格式：于 龙龙, 冯东, 王建, 等 . 互质层析 SAR 最 少航过数 量估 计方法 [J]. 雷 达学报, 待出版. DOI:
.
Reference format: YU Longlong, FENG Dong, WANG Jian, et al. Estimation of the minimum number of acquisitions for
coprime tomographic synthetic aperture radar[J]. Journal of Radars, in press. DOI: .
Estimation of the Minimum Number of Acquisitions for
Coprime Tomographic Synthetic Aperture Radar
YU Longlong FENG Dong WANG Jian HUANG Xiaotao*
(College of Electronic Science, National University of Defense Technology, Changsha 410073, China)
Abstract: In the practical application of tomographic synthetic aperture radar (TomoSAR), the number of acquisitions is usually
restricted due to their expensive cost. A coprime TomoSAR technique was proposed to reduce the required number of
acquisitions by sparsely distributing acquisitions and elongating baseline aperture. To guarantee a reliable tomogram, this study
aims to determine the minimum number of acquisitions for the coprime TomoSAR when adopting a subspace method for
performing the tomographic reconstruction. However, the performance of the subspace method depends on multiple parameters.
In light of this, the selection of acquisition times has to comprehensively weigh the effects of all these parameters o