Acoustic wave propagation 1 Acoustics 1 Air 1 Amplitude perturbation 1 Beamforming algorithms 1 Capillary-gravity waves 1 Explosives 1 Gravity capillary waves 1 Gravity waves 1 Laser induced breakdown 1 Phase interfaces 1 Sensitivity analysis 1 Shallow water waveguide Simultaneous measurement 1 Surface waves 1 Transfer matrix method 1 Ultrasonic experiments 1 Ultrasonic imaging 1 Waveguides 1