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- W2896659059 abstract "In clinical medicine, the elasticity of artery reflects diastolic function, and it is one of the important indicators of diagnosis of cardiovascular disease. Ultrasonic echo tracking is a kind of new technology risen in recent years to detect arterial elasticity. Arterial elasticity coefficients are got by processing the ultrasound echo signal transmitted in different organs and tissue of human. In ultrasonic echo tracking, accurately estimate the time shift between two signals or phase shift is the key problem of elasticity estimation. Although the correlated technique can be used to realize, yet its calculation problem is the bottleneck of the implementation. In this paper, an improved Newton iterative algorithm was applied to estimate time shift of ultrasonic echo signal, so the precise time displacement estimation was achieved, and the problem of aliasing was overcome at the same time. In addition, because the ultrasonic echo data is large, and large part of it is unnecessary, so an adaptive testing blood vessel position tracking gate setting technology is proposed to improve the efficiency of data processing, and it reduced the computational complexity to a certain extent and improve the efficiency of data processing." @default.
- W2896659059 created "2018-10-26" @default.
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- W2896659059 date "2018-07-01" @default.
- W2896659059 modified "2023-10-03" @default.
- W2896659059 title "Ultrasonic Echo Tracking Based on Improved Newton Iteration" @default.
- W2896659059 doi "https://doi.org/10.23919/chicc.2018.8482954" @default.
- W2896659059 hasPublicationYear "2018" @default.
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