应用于超音波非线性成像之格雷编码成像方法;A METHOD OF ULTRASOUND NONLINEAR IMAGING WITH GOLAY CODE EXCITATION

摘要

一种应用于超音波非线性成像之格雷编码成像方法，其包含发射彼此正交之第一与第二格雷编码信号波形；使第一格雷编码信号波形减去第二格雷编码信号波形，藉以消除未正确编码干扰，据以产生一第三格雷编码信号波形；对第三格雷编码信号波形分别进行一第一与第二压缩滤波处理，藉以产生第一与第二压缩编码信号波形；使第一压缩编码信号波形减去第二压缩编码信号波形，藉以产生一包含至少二压缩二阶谐波波形之第三压缩编码信号波形以供超音波非线性成像。; making the second Golay code signal wave be subtracted from the first Golay code signal wave to eliminate a first and a second noise interference wave to generate a third Golay code signal wave; processing a first and a second compression filter process to the third Golay code signal wave to generate a first and a second compress code signal wave; taking the difference between the first compress code signal wave and the second compress code signal wave to generate a third compress code signal wave which includes at least two second-order harmonic waves; processing ultrasound nonlinear imaging by using the multi-frequency harmonic component waves to generate an ultrasound image.