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Parallel Data Acquisition for UWB Signal Based on Random Projection
Lin Jie *,Shi Guangming ,Chen Xuyang ,Zhang Li
The Key Lab of IPIU of ministry of education, Xidian University
*Correspondence author
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Funding: none
Opened online:25 November 2009
Accepted by: none
Citation: Lin Jie ,Shi Guangming ,Chen Xuyang .Parallel Data Acquisition for UWB Signal Based on Random Projection[OL]. [25 November 2009] http://en.paper.edu.cn/en_releasepaper/content/37026
 
 
We propose a parallel data acquisition system (DAS) for ultra wideband (UWB) signal in this paper. In our system, a time-windowed signal is sampled by projecting onto a set of random signals. The recovery of signal is computational tractable, which is just a linear calculation of matrix. These procedures can be implemented by low-rate analog-to-digital convertors and other conventional hardware devices. The recovered signal is with high accuracy due to the appropriate strategies of error suppression. The simulation results confirm that the proposed DAS has the potential to achieve high-rate high-accuracy data acquisition of UWB signals. Unlike other systems that need to generate specific basis functions, or design a hybrid filter bank, or utilize an accurate short time shift at radio frequency or work for signals with prior knowledge, our DAS is universal and it is easy to be designed and implemented.
Keywords:data acquisition;ultra wideband (UWB) signal;random projection;parallel sampling
 
 
 

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