Design and Performance Evaluation of a Time Domain Microwave Imaging System
Artikel i vetenskaplig tidskrift, 2013

We design a time domain microwave system dedicated to medical imaging. The measurement accuracy of the system, that is, signal-to-noise ratio, due to voltage noise and timing noise, is evaluated. Particularly, the effect of coupling media on the measurement accuracy is investigated both numerically and experimentally. The results suggest that the use of suitable coupling media betters the measurement accuracy in the frequency range of interest. A signal-to-noise ratio higher than 30 dB is achievable in the range of 500 MHz to 3 GHz when the effective sampling rate is 50 Gsa/s. It is also indicated that the effect of the timing jitter on the strongest received signal is comparable to that of the voltage noise.

Författare

Xuezhi Zeng

Chalmers, Signaler och system, Signalbehandling och medicinsk teknik, Biomedicinsk elektromagnetik

Andreas Fhager

Chalmers, Signaler och system, Signalbehandling och medicinsk teknik, Biomedicinsk elektromagnetik

Peter Linner

Chalmers, Mikroteknologi och nanovetenskap (MC2), Mikrovågselektronik

Mikael Persson

Chalmers, Signaler och system, Signalbehandling och medicinsk teknik, Biomedicinsk elektromagnetik

Herbert Zirath

Chalmers, Mikroteknologi och nanovetenskap (MC2), Mikrovågselektronik

International Journal of Microwave Science and Technology

1687-5826 (ISSN) 1687-5834 (eISSN)

Vol. 2013 Art. no. 735692- 735692

Ämneskategorier

Elektroteknik och elektronik

Annan elektroteknik och elektronik

DOI

10.1155/2013/735692

Mer information

Skapat

2017-10-08