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本文借助血液流动的双弹性腔模型分析计算了正常人与心肌疾病患者舒张期肱动脉压力的相位谱，并与压力曲线相比较，结果表明相位谱能更明显地判别二者压力间的差异，从而为用双弹性腔模型研究心血管疾病患者舒张期动脉压力提供一个新方法。
In this paper, we analyzed the phase spectrum of diastolic brachial artery pressure in patients with normal human and myocardial diseases by using the bistlastic model of blood flow and compared it with the pressure curve. The results show that the phase spectrum can more clearly distinguish the pressure difference between the two, Thus providing a new method for studying the diastolic arterial pressure in patients with cardiovascular diseases by using the bielastic model.