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首页> 外文会议>International Conference on Renewable Energies for Developing Countries >Modulated Wideband Converter for Compressive Phase Retrieval of Bandlimited Signals
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Modulated Wideband Converter for Compressive Phase Retrieval of Bandlimited Signals

机译：调制宽带转换器，用于带限信号的压缩相位提取

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摘要

Modulated wideband converters are now a well established sampling schemes to acquire samples of sparse multiband signals with a sub-Nyquist sampling rate such that the signal can be recovered from these samples. However, there are many applications where it is not possible to measure reliable the phase of the samples, but only their amplitudes. This paper shows how the modulated wideband converter has to be modified such that signal recovery from sub-Nyquist amplitude samples becomes possible. Moreover a corresponding recovery algorithm is described. The proposed strategy is fairly general. It allows for several sampling schemes and recovery algorithms. The paper describes one fairly simple and computational efficient realization.
机译：调制宽带转换器现在是一种完善的采样方案，用于以亚奈奎斯特采样率获取稀疏多频带信号的样本，以便可以从这些样本中恢复信号。但是，在许多应用中，不可能可靠地测量样本的相位，而只能测量其幅度。本文说明了如何修改已调制的宽带转换器，以使从亚奈奎斯特幅度样本中恢复信号成为可能。此外，描述了相应的恢复算法。提议的策略相当笼统。它允许几种采样方案和恢复算法。本文描述了一种相当简单且计算效率高的实现。

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