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A general purpose VLSI median filter and its applications for image processing
(IEEE, 1989)
A general-purpose median filter configuration consisting of two single-chip median filters is proposed. One of the chips is designed for applications requiring variable word-length and variable window size, whereas the ...
A 128-bit microprocessor compatible programmable correlator chip for use in synchronous communication
(IEEE, 1989)
A single-chip microprocessor-compatible 128-b correlator is designed and implemented in a 3-μm M2CMOS process. Full-custom design techniques are applied to achieve the best tradeoff among chip size, speed, and power ...
Design and implementation of a general purpose VLSI median filter unit and its applications
(IEEE, 1989)
A VLSI median filter unit has been designed and implemented in 3-μ m M2 CMOS, using full-custom VLSI design techniques. The unit consists of two single-chip median filters, one extensible and one real-time. The chips are ...
Response of acoustic imaging systems using convergent leaky waves to cylindrical flaws
(IEEE, 1989)
Characterization of near-surface properties of materials by acoustic means is most convenienth done by surface-acoustic-waves (SAW) that are spatially confined to the surface. There are several techniques available to ...
A fast method of calculating diffraction loss between two facing transducers
(IEEE, 1988)
A fast method of calculating the diffraction loss between two facing circular ultrasonic transducers of unequal size is presented. This problem is directly applicable for minimization of diffraction loss in acoustic lens ...
Reflection coefficient null of acoustic waves at a liquid–anisotropic‐solid interface
(Acoustical Society of America, 1989-01)
he reflection coefficient of acoustic waves incident on a liquid–solid interface from the liquid side is numerically calculated for a general anisotropic solid oriented in any arbitrary direction. The reflection coefficient ...
Improvement of anisotropy sensitivity in the scanning acoustic microscope
(IEEE, 1989-03)
Thr response of the conventional scanning acoustic microscope (SAM) to anisotropic materials is theoretically investigated. For
this purpose, the reflection coefficient of plane acoustic naves incident
on a liquid-solid ...
Increasing the sensitivity of the scanning acoustic microscope to anisotropy
(IEEE, 1987)
The response of the scanning acoustic microscope to anisotropic materials is theoretically investigated. For this purpose, the reflection coefficient of plane acoustic waves incident on a liquid-anisotropic-solid interface ...
Response of surface acoustic wave imaging systems to cylindrical inhomogeneities
(IEEE, 1988-10)
The authors present a theory to predict the response of a SAW (surface acoustic wave) imaging system. In particular, they calculate the response to cylindrical cavities as a function of cavity position with respect to the ...
Measurement of sensitivity of different wave modes to subsurface defects
(IEEE, 1988)
Excitation of acoustic wave modes in a layered solid is investigated when the solid is immersed in a liquid. This is done by computing the reflection coefficient of acoustic plane waves at the liquid-layered-solid
interface. ...