该文提出一种由稀疏孔径数据外推全孔径估计算法, 这种算法对于稀疏孔径存在大的空缺的情况
, 可以利用已知稀疏孔径用参数化方法得到准确的稀疏孔径频域能量分布估计 …

This presentation shows some results obtained using a model re-weighted least squares
procedure to invert Radon operators. In particular, we study the inversion of slant and …

For bistatic inverse synthetic aperture radar (Bi-ISAR), the non-uniform motion state of
maneuvering target and the time-varying bistatic angle make the traditional imaging method …

This thesis deals with developing improved techniques for speech coding based on the
recent developments in sparse signal representation. In particular, this work is motivated by …

We present a fast algorithm for exact extrapolation of a discrete-time and periodic band-
limited signal from its values in an interval having the same length as the band-width of the …

In this paper, we investigate improvements to the iterative re-weighted method of best basis
selection for the problem of harmonic retrieval. We describe a computationally efficient …

This thesis deals with probabilistic methods for finding sparse solutions to illposed linear
inverse problems using both the single measurement vector (SMV) formulation and multiple …

在信号盲稀疏度条件下, 现有重构算法的固定阈值选择限制了重构精度和重构速度提高, 鉴于此,
提出一种改进的正交匹配追踪算法. 通过非线性下降的阈值快速选择原子 …

对比研究了基于虚拟阵元内插的三种超分辨测向算法. 在对多个小孔径雷达阵列的观测数据进行
相干处理的基础上, 分别应用非线性最小二乘迭代(NLS, NonlinearLeast Squares) …

The adaptive weighted norm extrapolation (AWNE) algorithm is evaluated as a
superresolution method for SAR image formation and a two-dimensional extension is …