Design, implementation, and medical applications of 2-D ultrasound sparse arrays
An ultrasound sparse array consists of a sparse distribution of elements over a 2-D aperture.
Such an array is typically characterized by a limited number of elements, which in most …
Such an array is typically characterized by a limited number of elements, which in most …
Sparse 2-D arrays for 3-D phased array imaging-experimental validation
To be able to describe more precisely the behavior of a real-time 3-D ultrasound system with
either a dense array or various sparse designs, experimental data from a 2-D fully …
either a dense array or various sparse designs, experimental data from a 2-D fully …
Application of different spatial sampling patterns for sparse array transducer design
SI Nikolov, JA Jensen - Ultrasonics, 2000 - Elsevier
In the last few years, the efforts of many researchers have been focused on developing 3D
real-time scanners. The use of 2D phased-array transducers makes it possible to steer the …
real-time scanners. The use of 2D phased-array transducers makes it possible to steer the …
Wideband 2-D array design optimization with fabrication constraints for 3-D US imaging
Ultrasound (US) 2-D arrays are of increasing interest due to their electronic steering
capability to investigate 3-D regions without requiring any probe movement. These arrays …
capability to investigate 3-D regions without requiring any probe movement. These arrays …
Density-tapered spiral arrays for ultrasound 3-D imaging
The current high interest in 3-D ultrasound imaging is pushing the development of 2-D
probes with a challenging number of active elements. The most popular approach to limit …
probes with a challenging number of active elements. The most popular approach to limit …
Experimental 3-D ultrasound imaging with 2-D sparse arrays using focused and diverging waves
Three dimensional ultrasound (3-D US) imaging methods based on 2-D array probes are
increasingly investigated. However, the experimental test of new 3-D US approaches is …
increasingly investigated. However, the experimental test of new 3-D US approaches is …
Properties of the beampattern of weight-and layout-optimized sparse arrays
Theory for random arrays predicts a mean sidelobe level given by the inverse of the number
of elements. In practice, however, the sidelobe level fluctuates much around this mean. In …
of elements. In practice, however, the sidelobe level fluctuates much around this mean. In …
Design of optimal 2-D nongrid sparse arrays for medical ultrasound
Three-dimensional imaging with 2-D matrix probes is one of the most exciting recent
ultrasound innovations. Unfortunately, the number of elements of a 2-D matrix probe is often …
ultrasound innovations. Unfortunately, the number of elements of a 2-D matrix probe is often …
Broad-bandwidth radiation patterns of sparse two-dimensional vernier arrays
SS Brunke, GR Lockwood - IEEE transactions on ultrasonics …, 1997 - ieeexplore.ieee.org
The fabrication of a dense (one-half wavelength element spacing) two-dimensional (2D)
transducer array suitable for medical ultrasound imaging is unrealistic using existing …
transducer array suitable for medical ultrasound imaging is unrealistic using existing …
Design of sparse array imaging systems
GR Lockwood, FS Foster - 1995 IEEE ultrasonics symposium …, 1995 - ieeexplore.ieee.org
A method for designing sparse periodic arrays is described. Grating lobes in the two-way
radiation pattern are avoided by using different element spacings for transmission and …
radiation pattern are avoided by using different element spacings for transmission and …