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作者:

Liu, Sujuan (Liu, Sujuan.) | Lyu, Ning (Lyu, Ning.) | Wang, Zisheng (Wang, Zisheng.)

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摘要:

Analog-to-Information Converter (AIC) based on Compressive Sensing (CS) broke the bottleneck of traditional sampling theorem. The required data is much less than the amount of data acquired by the Nyquist sampling. However, algorithms implemented in software inhibited timely decisions and prevents the use of adaptive sensing strategies. Therefore, it is necessary to achieve hardware acceleration. In this paper, we mainly proposed the complex-valued system of the signal reconstruction for the CS-based AIC structure. In order to achieve high performance and high speed hardware, we propose a superior design for inversion based on Goldschmidt algorithm. This design can double the speed of division than previous works. In addition, we have completed the functionalities on the Xilinx Virtex5 FPGA. The implementation results showed that the Orthogonal Matching Pursuit (OMP) algorithm achieved a recovery signal-to-noise-ratio (RSNR) of 21.15 dB with the clock frequency of 130.4 MHZ. © 2017 IEEE.

关键词:

Compressed sensing Field programmable gate arrays (FPGA) Integrated circuit design Signal reconstruction Signal to noise ratio

作者机构:

  • [ 1 ] [Liu, Sujuan]College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Lyu, Ning]College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Wang, Zisheng]College of Microelectronics, Beijing University of Technology, Beijing; 100124, China

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ISSN: 2162-7541

年份: 2017

卷: 2017-October

页码: 152-155

语种: 英文

被引次数:

WoS核心集被引频次: 0

SCOPUS被引频次: 1

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