Methods: (1)Model establishment: The hemodynamic model based on electrical circuit analysis was established by simulating hemodynamic parameters with electrical ones.
方法：（1）模型建立：以相关的电学参数模拟血液动力学参数，以电路图（电路模型）分析的方法建立血液动力学理论模型。
Filtering methods intended specifically for cluster and network analysis are introduced and compared by simulating modular networks with known statistical properties.
通过用已知的统计属性模拟模块网络，介绍并比较了特别为聚类和网络分析目的的筛选方法。
Methods: tube flow phantoms which simulating the cerebral blood flow were established. Flow signal intensity of the steady flow in tubes was measured by MR phase-contrast cine technique.
方法：用磁共振相位对比电影法测定模拟脑血液流动的管状模型稳态流动下流体信号强度，并与相应的速率进行相关性分析后分别得出相应的转换函数关系。
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