NDLI: Delay-sum beamforming on FPGA

Content Provider	IEEE Xplore Digital Library
Author	Peng Chen Xiang Tian Yaowu Chen Xiaofan Yang
Copyright Year	2008
Description	Author affiliation: Inst. of Adv. Digital Technol. & Instrum., Zhejiang Univ. (Peng Chen; Xiang Tian; Yaowu Chen) \|\| Hangzhou Appl. Acoust. Res. Inst., Hangzhou (Xiaofan Yang)
Abstract	This paper presents one multi-FPGA system board for implementing delay-sum beamforming of three-dimensional (3-D) sonar in the frequency-domain. The Matlab simulation is demonstrated by splitting the delay-sum beamforming into two steps where two stages FPGAs system implementation is utilized. This paper also analyzes discrete Fourier transform (DFT) of sample data, the communication bandwidth and memory requirements of this system architecture. The paper illustrates that the proposed multi-FPGA system can implement 10,000 beams and 576 sensors of 2 KHz beamspsila array update rate per second. The performance advantage is supported by the rapid development of serial communication and the configurable high performance FPGAs.
Starting Page	2542
Ending Page	2545
File Size	129965
Page Count	4
File Format	PDF
ISBN	9781424421787
DOI	10.1109/ICOSP.2008.4697667
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Delay Array signal processing Field programmable gate arrays Sensor arrays Acoustic beams Structural beams Sonar Acoustic imaging Phased arrays Layout
Content Type	Text
Resource Type	Article

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