Experimental Study On Digital Design Of Doppler Ultrasound With Coded Excitation

DOI

10.2991/amitp-16.2016.11How to use a DOI?

Keywords

Digital design; Doppler ultrasound; Blood flow; Coded excitation

Abstract

Full digital design with coded excitation for Doppler ultrasound system is proposed to offer full-depth examination, and to improve system SNR and penetration. The experimental platform is developed based on a Doppler phantom and a transcranial Doppler system. Raw radiofrequency signals are collected from the Doppler phantom using the transcranial Doppler system, which alternately transmits non-coded and coded pulses. Software-based digital signal processing techniques are well used to reduce the scale of hardware. The results tell us that by using this design, full-depth examination and some 20dB of SNR's improvement are achieved. Penetration ability and sensitivity become much stronger compared with traditional systems. This work will facilitate blood flow examination in clinical diagnosis.

Copyright

© 2016, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Shaoxing Li
AU  - Tianjiong Zhang
AU  - Jie Li
AU  - Ming Dai
AU  - Xin Chen
AU  - Zhengdi Qin
PY  - 2016/09
DA  - 2016/09
TI  - Experimental Study On Digital Design Of Doppler Ultrasound With Coded Excitation
BT  - Proceedings of the 2016 4th International Conference on Advanced Materials and Information Technology Processing (AMITP 2016)
PB  - Atlantis Press
SP  - 57
EP  - 63
SN  - 2352-538X
UR  - https://doi.org/10.2991/amitp-16.2016.11
DO  - 10.2991/amitp-16.2016.11
ID  - Li2016/09
ER  -