A geometrical acoustical method was used to describe the scattered ficld of a softtube (simulating a blood vessel). Inverse scattering problem of the soft-tube in the space domain and frequency domain was discussed. T...A geometrical acoustical method was used to describe the scattered ficld of a softtube (simulating a blood vessel). Inverse scattering problem of the soft-tube in the space domain and frequency domain was discussed. The scattered field was measured and the internal radius, external radius, velocity, density and attenuahon coefficient of the tube were reconstructed. The relative deviations were less than 5 %.展开更多
文摘A geometrical acoustical method was used to describe the scattered ficld of a softtube (simulating a blood vessel). Inverse scattering problem of the soft-tube in the space domain and frequency domain was discussed. The scattered field was measured and the internal radius, external radius, velocity, density and attenuahon coefficient of the tube were reconstructed. The relative deviations were less than 5 %.