本文選題：頻域稀疏信號(hào)　切入點(diǎn)：亞奈奎斯特率采樣　出處：《電子學(xué)報(bào)》2017年10期 　論文類型：期刊論文

【摘要】：本文提出了一種基于頻譜互質(zhì)重排的超低速率信號(hào)采樣方法.該方法將稀疏傅里葉變換從離散時(shí)間域拓展到連續(xù)時(shí)間域,首先通過(guò)互質(zhì)結(jié)構(gòu)傅里葉展開(kāi)采樣對(duì)頻域稀疏信號(hào)的頻譜分量進(jìn)行重排和壓縮,然后通過(guò)基于中國(guó)余數(shù)定理的亞線性算法對(duì)信號(hào)進(jìn)行了重構(gòu).實(shí)驗(yàn)結(jié)果表明,本文所提的采樣方法可進(jìn)一步降低頻域稀疏信號(hào)的采樣速率.
[Abstract]:An ultra-low rate signal sampling method based on spectrum mutuality rearrangement is proposed in this paper, which extends sparse Fourier transform from discrete time domain to continuous time domain. The spectral components of the sparse signal in frequency domain are rearranged and compressed by Fourier expansion sampling with intertextural structure, and then the signal is reconstructed by a sublinear algorithm based on the Chinese remainder theorem. The experimental results show that, The sampling method proposed in this paper can further reduce the sampling rate of frequency-domain sparse signals.
【作者單位】： 福州大學(xué)物理與信息工程學(xué)院;
【基金】：福州市科技局科技計(jì)劃(No.2013-G-85) 福建省教育廳(一般項(xiàng)目)(No.JA13039)
【分類號(hào)】：TN911.7

【相似文獻(xiàn)】

相關(guān)期刊論文 前1條

1 錢(qián)慧;李娜萍;余輪;;差分調(diào)制信號(hào)亞奈奎斯特率檢測(cè)方法[J];信號(hào)處理;2013年08期

，

本文編號(hào)：1599828