Search
Now showing items 1-7 of 7
(Journal article / Tidsskriftartikkel, 1996)
In this paper. we present a method used to calculate the acoustic field created by a transducer. A parallel computer network was used to elaborate the effectiveness of the direct calculation of the Rayleigh Integral.
(Journal article / Tidsskriftartikkel, 1995)
(Journal article / Tidsskriftartikkel, 1998)
Sparse arrays provide a large aperture with few elements. Through an exhaustive search of all possible thinning patterns for small linear sparse arrays, the Fourier properties of arrays with optimal coarray properties are ...
(Journal article / Tidsskriftartikkel, 1994)
In medical ultrasound imaging, beam control methods such as dynamic focusing, and dynamic aperture and weighting give a need for more flexible control over the receive beam. In addition the desire to increase acquired ...
(Journal article / Tidsskriftartikkel, 1997)
Real-time 2D ultrasound systems are used routinely in every hospital and are a huge success both technically and commercially. This paper discusses the signal processing problems that needs to be tackled in order to move ...
(Journal article / Tidsskriftartikkel, 1995)
(Journal article / Tidsskriftartikkel, 1997)