发明名称 |
FRESNEL-BASED BEAMFORMING FOR ULTRASONIC ARRAYS |
摘要 |
An ultrasonic beamformer may include an input signal line for each ultrasonic transducer element configured to carry a broadband pulse from the ultrasonic element. The ultrasonic beamformer may include a number of signal shifters that is substantially less than the number of transducer elements. Each signal shifter may be configured to shift a broadband pulse in a way that is different from the way the other signal shifters are configured to shift a broadband pulse. For each of the input signal lines, a multiplexer may be configured to electrically connect the broadband pulse received on the input signal line to a selected one of the signal shifters. A multiplexer controller may be configured to generate the control signal for each of the multiplexers in a fashion that causes the ultrasonic beamformer to substantially compensate for the differences in the distances. A comparable configuration may be used for transmission. |
申请公布号 |
US2011060226(A1) |
申请公布日期 |
2011.03.10 |
申请号 |
US20100875865 |
申请日期 |
2010.09.03 |
申请人 |
UNIVERSITY OF SOUTHERN CALIFORNIA |
发明人 |
YEN JESSE;MUNG JAY;NGUYEN MAN |
分类号 |
A61B8/14 |
主分类号 |
A61B8/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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