Title :
Short-time chirp excitations for using in wideband characterization of objects: An overview
Author :
Paavle, Toivo ; Min, Mart ; Ojarand, Jaan ; Parve, Toomas
Author_Institution :
Dept. of Electron., Tallinn Univ. of Technol., Tallinn, Estonia
Abstract :
In this paper, certain aspects of choosing excitation waveforms for fast identification of the complex electrical impedance over a wide frequency range are discussed. For this purpose, several chirp-like short-time excitation signals with near to minimal duration are proposed. The results of computer simulation and analysis are promising for implementing such kind of signals as the stimulating ones in the bioimpedance measurement.
Keywords :
bioelectric phenomena; biomedical measurement; chirp modulation; electric impedance measurement; medical signal processing; waveform analysis; bioimpedance measurement; chirp-like short-time excitation signals; complex electrical impedance; computer analysis; computer simulation; excitation waveforms; wideband characterization; Bioimpedance; Broadband communication; Chirp; Frequency measurement; Impedance; Wideband;
Conference_Titel :
Electronics Conference (BEC), 2010 12th Biennial Baltic
Conference_Location :
Tallinn
Print_ISBN :
978-1-4244-7356-4
Electronic_ISBN :
1736-3705
DOI :
10.1109/BEC.2010.5631149