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Updated: Jul 17, 2026

Wideband Optical Detector of Ultrasound for Medical Imaging Applications
Published on: May 11, 2014
Searching binary sequences for coded excitation in medical ultrasound
1Department of Biomedical Engineering, Tsinghua University, Beijing 100084 China (phone: 8610-62785472;
Abstract:
In this paper, the optimal binary sequences for coded excitation in B-mode medical ultrasound imaging are found by exhaustive search. The criterion is the mainlobe to sidelobe ratio (MSR) of the pulse compression. The pulse compression filter is designed based on an FIR least squares inverse filtering algorithm. The optimal binary sequences of length 13 to 28 are shown. A simulation of coded excitation using the resulting sequence is performed. The presented search results showed regularity in the structure of sequences with high MSR, which may be of help in the search of longer sequences.
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