Arbitrary waveform coded excitation using bipolar square wave pulsers
Resource
IEEE International Ultrasonics, Ferroelectrics and Frequency Control 50th Anniversary Joint Conference, Montr eacute;al, Canada,(2004.08)
Journal
IEEE International Ultrasonics, Ferroelectrics and Frequency Control 50th Anniversary Joint Conference
Pages
1733-1736
Date Issued
2004-08
Author(s)
S.-W. Huang
Abstract
This paper presents a new coded excitation scheme that efficiently synthesizes codes for arbitrary waveforms using a bipolar square wave pulser. The key of the proposed method is the conversion of a nonbinary code with good compression performance into a binary code by code translation and code tuning. Tukey-windowed chirps were converted into binary Tukey-windowed chirps that were compared with pseudochirps over the same spectral band. Experimental results show that the use of binary Tukey-windowed chirps can reduce the code duration by 20% or the peak sidelobe level by 6 dB compared to the commonly used pseudochirps.
Type
conference paper
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