arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1202.4525math.FA
收藏

数字擦除鲁棒帧

Numerically erasure-robust frames

Matthew Fickus, Dustin G. Mixon

摘要:

给定具有加性噪声和对抗性擦除的信道,任务是设计允许从传输的帧系数进行稳定信号重构的帧。为了满足这些规格,我们引入数值擦除鲁棒帧。我们首先考虑各种各样的结构,包括随机框架,等角紧框架和群框架。后来,我们发现,任意大的擦除率必然会导致信号重建的数值不稳定性。最后,我们的一些意见,包括最大等角紧框架和稀疏框架的一些影响。

英文摘要:

Given a channel with additive noise and adversarial erasures, the task is to design a frame that allows for stable signal reconstruction from transmitted frame coefficients. To meet these specifications, we introduce numerically erasure-robust frames. We first consider a variety of constructions, including random frames, equiangular tight frames and group frames. Later, we show that arbitrarily large erasure rates necessarily induce numerical instability in signal reconstruction. We conclude with a few observations, including some implications for maximal equiangular tight frames and sparse frames.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑