Figure 4From: A Novel On-Site-Real-Time Method for Identifying Characteristic Parameters Using Ultrasonic Echo Groups and Neural NetworkSimulations results: a Cylinders with radius of 25Â mm, b Cylinders with radius of 30Â mm, c Cuboid with hole in the bottom, d Cylinder with radius of 25 mm at the bottom of the surface, e Waveform diagram of simulation resultsBack to article page