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Ultrasonic imaging by radial scan beams emanating from a hypothetical point located behind linear transducer array
Ultrasonic imaging by radial scan beams emanating from a hypothetical point located behind linear transducer array
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机译:通过从位于线性换能器阵列后面的假想点发出的径向扫描束进行超声成像
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摘要
An ultrasonic imaging system includes a linear array of transducers of which a group of successively arranged transducers is selected and successively shifted to the next by at least one transducer. The transducers of the selected group are successively activated at respective delay times to transmit a radial scan beam which appears to emanate from a hypothetical point source located behind the transducer array. A scan converter is provided for conversion of analog echo signals in sector scan format to digital echo data in raster format for visual display.
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