Pulse compression for velocity search based on half precision floating point format

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Abstract

Traditional methods of target velocity search based on pulse compression using GPU (Graphics Processing Unit) with single precision floating point format are difficult to meet the requirements of real-time processing. In this paper, a novel method for accelerating search process with half precision floating point format, which is based on the latest NVIDIA GPU card Tesla P100, is proposed. The scaling factor is defined to avoid the overflow issues with half precision floating point numbers. And the expression of scaling factor for LFM (Linear frequency modulation) signal is also derived. Measurement results show that about 50% promotion of computation speed is attainable with half precision floating point format when compared to single precision floating point format, which indicates the method can accelerate the searching speed efficiently.

Original languageEnglish
Title of host publication2017 3rd IEEE International Conference on Computer and Communications, ICCC 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1343-1347
Number of pages5
ISBN (Electronic)9781509063505
DOIs
Publication statusPublished - 2 Jul 2017
Event3rd IEEE International Conference on Computer and Communications, ICCC 2017 - Chengdu, China
Duration: 13 Dec 201716 Dec 2017

Publication series

Name2017 3rd IEEE International Conference on Computer and Communications, ICCC 2017
Volume2018-January

Conference

Conference3rd IEEE International Conference on Computer and Communications, ICCC 2017
Country/TerritoryChina
CityChengdu
Period13/12/1716/12/17

Keywords

  • GPU
  • half precision floating point format
  • pulse compression

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Wang, Y., Chen, D., Cao, H., & Fu, T. (2017). Pulse compression for velocity search based on half precision floating point format. In 2017 3rd IEEE International Conference on Computer and Communications, ICCC 2017 (pp. 1343-1347). (2017 3rd IEEE International Conference on Computer and Communications, ICCC 2017; Vol. 2018-January). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CompComm.2017.8322761