The distribution of zero and pole is analyzed to obtain several features of carotid sclerosis such as rp.These features differ from those based on the maximum frequency curve and are also efficient.
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- 接著(zhù)，本文從多普勒音頻信號的建模出發(fā)，建立頸動(dòng)脈血管的零極點(diǎn)模型，分析極點(diǎn)的分布情況，提取一定的特征參數作為血管硬化的判據（如rP等），從而為臨床診斷服務(wù)。
