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Transmitter - reception - transducer arrangement for a multiple-element beam steering ultrasound imaging system
Transmitter - reception - transducer arrangement for a multiple-element beam steering ultrasound imaging system
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机译:用于多元件束转向超声成像系统的发射器-接收-换能器布置
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摘要
A linear transducer array with low overall side lobe sensitivity for use in steered beam imagers has a different interelement spacing for transmit than for receive, and preferably has a shorter transmit array with elements spaced at one-half wavelength as the center portion of a longer receive array whose unit elements are spaced at a full wavelength. Two or more elements in the center portion can be coupled together to a receiving channel to maintain constant spacing for the receive aperture in a 100% active transducer.
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