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      A VLSI receive beamformer for digital ultrasound imaging

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      Author
      Karaman, Mustafa
      Kolağasıoğlu, Ertuğrul
      Atalar, Abdullah
      Date
      1992-03
      Source Title
      [Proceedings] ICASSP-92: 1992 IEEE International Conference on Acoustics, Speech, and Signal Processing
      Print ISSN
      1520-6149
      Publisher
      IEEE
      Language
      English
      Type
      Conference Paper
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      Abstract
      A VLSI architecture for real-time digital receive beamforming in phased array ultrasound imaging is proposed. The architecture is an inverse binary tree like structure with N stages where N is the number of array elements. The sampled signals from the phased array channels are coherently added in a pairwise manner within the stages of the architecture in a pipelined data flow scheme. The storage requirement for the synchronization of the asynchronously received samples corresponding to a focal point is significantly reduced. The architecture is modular and has a regular communication scheme which make the VLSI implementation rather easy and straightforward.
      Keywords
      Ultrasonic imaging
      Very large scale integration
      Array signal processing
      Phased arrays
      Circuits
      Binary trees
      Ultrasonic transducer arrays
      Adders
      Image reconstruction
      Ultrasonic transducers
      Permalink
      http://hdl.handle.net/11693/50745
      Published Version (Please cite this version)
      https://doi.org/10.1109/ICASSP.1992.226510
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      • Department of Electrical and Electronics Engineering 3524
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