In the GPR exploration, Earth as an electromagnetic emission environment causes dispersion and loss of energy of waves and acts as a low pass filter, so there is a need for advanced signal processing techniques to compensate for these factors and to achieve better resolution. One of the newest ways to increase resolution is the time reversal technique. By applying time reversal techniques, it is possible to accurately determine and distinguish the position and depth of the study objectives in the vicinity of the clutter, such as local undesirable abnormalities. In this research, while introducing the time reversal (TR) technique and its application in Ground Penetrating Radar, a case study was performed to explore the exact location of aqueduct gallery in kashan City. The results show the effectiveness of the time reversal method in determining the target location of the study.