By using backward difference of space-time intensity correlation function with respect to time delay, the two-dimensional velocity vector of a moving diffuser can be measured.
利用远场时变散斑空-时强度相关函致的有限差商可以测量散射体运动的二维速度矢量。
2
The delay or difference in the arrival time of seismic events that can result from weathering of the rocks or variations in geologic structures in the subsurface.
地震同相轴到达时的延迟或差异，这是由于岩石的风化层和地下地质体的变化产生的。
3
According to the experimental platform based on CAN, the CAN message delaytime is online examined. The difference between theoretical analysis and actual transmission delay is also analyzed.