Exponentially Tapered Transmission Line Model of the Arterial System

Shmuel Einav, Shaul Aharoni, Mordechai Manoach

Research output: Contribution to journalArticlepeer-review


The arterial systemic tree is intricate and complex due to its numerous branches, nonuniform cross section and elasticity, and the rich harmonic composition of its pressure- and flow-pulses. In response to this complexity, the modeling of the arterial system based on the technique of nonuniform transmission lines was undertaken. The main advantages of this technique are that it maintains a satisfactory response over a wide range of frequencies and that it analyzes the impedance and local reflection factor of various segments. Our model, which utilizes far fewer parameters than previous models, supplies important information about reflections at bifurcations and impedance matching at the termination line.

Original languageEnglish
Pages (from-to)333-339
Number of pages7
JournalIEEE Transactions on Biomedical Engineering
Issue number5
StatePublished - May 1988


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