- Conference date: 11–13 April 2011
- Location: New York, NY, USA
The matrix pencil method reduces the number of elements in a densely sampled 1D ultrasound phased array. This approach evaluates the singular value decomposition of a Hankel matrix and then solves an eigenvalue problem to obtain the element locations and apodization of the reduced array. The results show that a 128 element linear array and a reduced 64 element linear array produce comparable farfield beam patterns, where the 128 element array employs half-wavelength element spacing and the reduced array populates approximately the same aperture with a slightly tapered element distribution.
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