【摘 要】
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Background, Motivation and Objective Golay Complementary Sequence (GCS) can compensate the high attenuation of high-frequency ultrasound by elevating signal level with low range side lobe and low impl
【机 构】
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Electrical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
论文部分内容阅读
Background, Motivation and Objective Golay Complementary Sequence (GCS) can compensate the high attenuation of high-frequency ultrasound by elevating signal level with low range side lobe and low implementation cost. However, due to potential motion artifact, it is conventionally regarded as not applicable to blood flow detection. In our previous study, it has been demonstrated that the Doppler spectrum of GCS has the main-lobe signal apart from the side-lobe signal by half of the pulse-repetition-frequency (PRF). Therefore, GCS decoding can be performed by low-pass filtering in slow-time domain with cutoff frequency of PRF/4 to eliminate any motion artifact from side-lobe in Doppler imaging.
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