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    • 87. 发明申请
    • HARMONIC ULTRASOUND IMAGING USING SYNTHETIC APERTURE SEQUENTIAL BEAMFORMING
    • 使用合成孔径顺序波束成像的谐波超声成像
    • WO2012146946A1
    • 2012-11-01
    • PCT/IB2011/000924
    • 2011-04-29
    • B-K MEDICAL APSJENSEN, Jorgen, ArendtDU, YigangJENSEN, Henrik
    • JENSEN, Jorgen, ArendtDU, YigangJENSEN, Henrik
    • G01S7/52G01S15/89G10K11/34
    • G03B42/06G01S7/52038G01S7/52047G01S15/8977G10K11/346
    • A method includes generating an ultrasound image based on the harmonic components in the received echoes using multi-stage beam forming and data generated therefrom. An ultrasound imaging system (100, 200) includes a transducer array (108) including a plurality of transducer elements configured to emit ultrasound signals and receive echoes generated in response to the emitted ultrasound signals. The ultrasound imaging system further includes transmit circuitry (1 10) that generates a set of pulses that actuate a set of the plurality of transducer elements to emit ultrasound signals. The ultrasound imaging system further includes receive circuitry (1 12), including a first beam former (122) configured to process the second harmonic signal components extracted from the received echo signals, generating intermediate scan lines. Memory (126) stores the generated intermediate scan lines. The ultrasound imaging system further includes a synthetic aperture processor (128), including a second beam former (130) configured to process the stored intermediate scan lines, based on a synthetic aperture algorithm, generating a focused image.
    • 一种方法包括使用多级波束形成和从其生成的数据,基于接收的回波中的谐波分量产生超声图像。 超声成像系统(100,200)包括换能器阵列(108),其包括被配置为发射超声信号并且接收响应于所发射的超声信号而产生的回波的多个换能器元件。 超声成像系统还包括产生一组脉冲的发射电路(110),所述一组脉冲致动多个换能器元件的集合以发射超声信号。 超声成像系统还包括接收电路(112),包括被配置为处理从所接收的回波信号中提取的二次谐波信号分量的第一束形成器(122),产生中间扫描线。 存储器(126)存储所生成的中间扫描线。 超声成像系统还包括合成孔径处理器(128),其包括被配置为基于合成孔径算法处理所存储的中间扫描线的第二束形成器(130),产生聚焦图像。