The dynamic vibration characteristics of food and agricultural products refer to the vibration signal characteristics generated when they are subjected to external excitation. By analyzing these vibration signals, the internal quality of food and agricultural products, such as hardness, maturity, and cracks, can be understood. The reflection, scattering, transmission, and absorption characteristics of vibration signals, as well as parameters like attenuation coefficient and propagation speed, can provide important information about the quality of agricultural products [1].