Ultrasonic Imaging Beyond Diffraction Limit Using Conventional Transducers with Conical Baffles
ELECTRONICS LETTERS（2020）
关键词
ultrasonic transducers,ultrasonic materials testing,inspection,image resolution,optical design techniques,metamaterials,acoustic imaging,ultrasonic imaging,biomedical ultrasonics,lenses,vibration measurement,diffraction limit,conventional transducers,conical baffles,conventional ultrasonic imaging systems,poor resolution,holey-structured metamaterials,ultrasonic regime,fine spatial intervals,earlier experimental studies,low signal-to-noise ratio,conventional ultrasonic transducers,subwavelength resolution
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