Patent ID: 6014897
Filing Date: 2000-01-18
Classification: G01N,G01S

Abstract:
A system for imaging of ultrasound scatterers, comprising:an ultrasound transducer array comprising a multiplicity of elements and having a transmit aperture and a receive aperture, said transmit and receive apertures being formed by respective configurations of said elements, at least said configuration of said receive aperture being sparse;a transmit beamformer for pulsing the transducer elements making up said transmit aperture with wavelets having a fundamental frequency f.sub.0 during a transmit firing;a receive beamformer coupled to the transducer elements making up said receive aperture of said transducer array for acquiring a beamsummed signal subsequent to said transmit firing;a filter for passing a harmonic frequency component of said beamsummed signal having a frequency substantially equal to nf.sub.0, where n is a positive integer .gtoreq.2;a processor programmed to form an image signal from said harmonic frequency component of said beamsummed signal; andmeans for displaying an image which is a function of said image signal.