The inversion of acoustical impedance profile by methods of characteristics

Mathematics

• Method of Characteristics 95%
• Impedance 85%
• Inversion 68%
• Finite Difference Approximation 44%
• Excitation 39%
• Fast Algorithm 38%
• Propagation 34%
• Inverse Problem 30%
• Unknown 25%

Physics & Astronomy

• method of characteristics 100%
• inversions 62%
• impedance 58%
• profiles 41%
• propagation 22%
• approximation 20%
• pulses 19%
• excitation 18%

Engineering & Materials Science

• Inverse problems 82%
• Acoustic impedance 56%