Figure 5: The estimated impedance within the measured frequency range for the symmetric (*) and the asymmetric (o) case, polar plot representation

Main Authors: Clara Ionescu, Robin de Keyser, Ionut Muntean
Format: info Image
Bahasa: eng
Terbitan: , 2010
Subjects:
Online Access: https://www.edusoft.ro/brain/index.php/brain/issue/view/12
Daftar Isi:
  • In other words, the symmetric tree representation does not su±ce to obtain a good ̄t between the model and the measured impedance data. Another observation is that the constant-phase behavior is emphasized at frequencies below those evaluated standardly in clinical practice, i.e. below 5Hz. However, in the standard clinical range of frequencies for the forced oscil- lation technique, namely 4-48Hz, both symmetric and asymmetric tree models give similar results, as depicted in ̄gure 4 and ̄gure 5.