Investigation of Damage Diagnosis of Retaining Wall Structures Based on the Hilbert Damage Feature Vector Spectrum

<div>Exciting equipment, sensors, signal collecting system, and signal transmission system of vibration tests. (a) DFC-2 exciting hammer. (b) Common exciting hammer. (c) Rubber exciting hammer. (d) 941B sensor. (e) JM3863A vibration test system. (f) JM1802 wireless gateway.</div>

Shock and Vibration

fig4

Figure 4

Figure 4: Investigation of Damage Diagnosis of Retaining Wall Structures Based on the Hilbert Damage Feature Vector Spectrum 