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Sampling and Recovery of Angle-Modulated Signals on the Basis of the Compressed Sensing and Event Timing Techniques

机译:基于压缩传感和事件定时技术的角度调制信号的采样和恢复

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摘要

Informative parameters of angle-modulated signals evaluated by the zero-crossing time instants are studied. Specific features of the compressed sensing technique used to restore modulating signals are considered. It is shown that the standard compressed signal processing techniques based on the l_1 minimization do not enable the solution of the problem of the off-the-grid recovery of spectral components. It is proposed to use an iterative method for signal recovery based on successive localization of the spectral peaks between the grid nodes.
机译:研究了过零时刻评估的角度调制信号的信息参数。考虑了用于恢复调制信号的压缩感测技术的特定特征。结果表明,基于l_1最小化的标准压缩信号处理技术无法解决频谱分量的离网恢复问题。提出基于网格节点之间频谱峰值的连续定位,使用迭代方法进行信号恢复。

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