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时间反转成像算法用于探地雷达多目标成像时,由于各个目标体的能量聚焦时刻和聚焦能量的强度都不相同,使得智能识别局部能量聚焦时刻成为该算法的瓶颈。为了实现时间反转成像算法用于探地雷达多目标成像,首先在B-Scan中检测到潜在目标双曲线位置,然后用窗口框出各个潜在目标体的“空间-时间”位置,之后将该“空间-时间”窗口转化为待成像区域中的“位置-埋深”窗口,并对各个潜在目标窗口分别进行时间反转成像,虚假目标不存在能量聚焦,进而剔除虚假目标,实现多目标成像。实验结果表明:该算法能较好地实现多目标成像,由于该算法只对潜在目标窗口进行成像,而不是对整个待成像区域进行成像,大大提高了成像效率。
When the time-reversal imaging algorithm is used for multi-target imaging of ground-penetrating radar, the energy convergence time of each target body and the intensity of the focused energy are different, so that the intelligent recognition of the local energy focusing moment becomes the bottleneck of the algorithm. In order to realize the time-reversal imaging algorithm for multi-target imaging of GPR, the potential target hyperbolic position is first detected in B-Scan, and then the “space-time” position of each potential target body is framed by a window The “space-time” window is transformed into the “position-depth” window in the area to be imaged, and the respective potential target windows are respectively time-inverted and imaged. There is no energy focusing on the false target, and the false false Goal, to achieve multi-target imaging. The experimental results show that the proposed algorithm can achieve multi-target imaging well. As the algorithm only images the potential target window instead of imaging the whole area to be imaged, the imaging efficiency is greatly improved.