Sainz A, Roberts V C, Pinardi G
Ultrasonics. 1976 May;14(3):128-32. doi: 10.1016/0041-624x(76)90087-1.
A new method of measuring blood flow velocity and acceleration using analogue and phase locked loop techniques is described. Instantaneous peak velocity, instantaneous mean velocity and acceleration can be obtained on-line and displayed on simple recording systems.
本文描述了一种使用模拟和锁相环技术测量血流速度和加速度的新方法。可以在线获取瞬时峰值速度、瞬时平均速度和加速度，并显示在简单的记录系统上。
