A General Framework for Modeling Sub- and Ultraharmonics of Ultrasound Contrast Agent Signals with MISO Volterra Series

Figure 5

(a) Comparison between the backscattered signal by the microbubble 𝑦(𝑛) (black) and its estimation 𝑦(𝑛) (green): (top) the modeled signal with SISO Volterra model, (middle) MISO1 method, and (bottom) MISO2 method. (b) Spectra of different signals are presented in (1). Here SNR=∞ dB, 𝑃=3, and 𝑀=19.

(a)

(b)