A lowpass sampling and reconstruction method for aperiodic non-bandlimited impulse signals is proposed. The impulse signals are passed through a lowpass filter and sampled at the rate of innovation.
提出了非带限冲激信号的一种低通采样和重建方法,将冲激信号通过低通滤波器后,按照信号新息率进行采样,然后对采样得到的离散时间信号进行傅里叶变换,采用最小二乘零化滤波算法可以准确地重建原始冲激信号。
参考来源 - 非带限冲激信号的一种低通采样和重建方法·2,447,543篇论文数据，部分数据来源于NoteExpress
In this paper, we first obtain the FRFT of the uniform impulse-train sampled signals, and based on it, we deduce sampling theorem and reconstruction formula for bandpass and lowpass signals with FRFT.
本文首先得到了均匀冲激串采样信号的FRFT，然后在此基础上导出了FRF T域上带通信号和低通信号的采样定理和重构公式。
Firstly, the theory of multi-channel derivative sampling is described and the compact perfect reconstruction condition is given.
首先阐明了多阶微分采样的原理，给出了更为简洁的完美重构条件。
By using the special reconstruction principle and the superiority in decreasing sampling frequency, the application of periodically nonuniform sampling in frequency selection is also presented.
介绍了用滤波器组重构多阶采样信号的原理，并且利用多阶采样特殊的重构原理以及在降低采样率上的优势，介绍了多阶采样在频率选择上的应用。
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