Performance of an Ultrasonic Imaging System Based on a 45-MHz Linear PVDF Transducer Array: A Numerical Study

Figure 4

Electric potential 𝑈 at 𝑡₀=0.2 μs (a). The electrode current density response (in the longitudinal transducer system) and its frequency spectrum are shown in (b) and (c), respectively.

(a)

(b)

(c)