采用多普勒激光振动测量系统，获得了热超声倒装键合过程中工具末端及芯片的振动速度曲线。
With the Doppler laser vibration measurement system, the vibration velocity curves of the flip chip and tool tip were obtained during thermo-sonic flip chip bonding.
于是我们提出把极限衰减曲线作为检验观测脉冲是否是多普勒效应作用下的结果的一个标准。
We accordingly propose to take the marginal decay curve (whose function is simple) as a criterion to check if an observed pulse could be taken as a candidate suffered from the Doppler effect.
提出一种基于全局优化的动态规划算法以进行超声多普勒血流信号最大频率曲线的提取。
A dynamic programming algorithm based on the global optimization is presented to extract the maximum frequency waveform of the Doppler ultrasound blood flow signal.
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