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。
Multipath time delay estimation is constrained by the width of the signal correlation function when using correlation method.
当采用相关法估计时间延迟时,多径时延的分辨率受到相关函数主(?)宽度的限制。
Generalized cross correlation is an important technical measure to solve time delay estimation problem. Time delay estimation variance can reach CRLB by using ML weighting.
广义相关是解决时延估计的重要技术措施,采用极大似然加权进行时延估计时方差可达到克拉美罗界。
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