Abstract-A proposed sensor for landmines detection consists of two parallel microstrip antennas placed on the same ground plane and with defected ground structure between them has been investigated. The microstrip patch array with defected ground structure has the advantage of a low mutual coupling compared with the classic one. The Finite-Difference Time-Domain (FDTD) is used to simulate the sensor for landmines detection.

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A proposed sensor for landmines detection consists of two parallel microstrip antennas placed on same ground plane with shorting pins between the patch and the ground plane has been investigated. The microstrip patch array with shorting pins has the advantage of a low coupling and size reduction compared with classic arrays. The Finite-Difference Time-Domain (FDTD) is used to simulate of the senor for landmines detection.

Two patch array antennas have been proposed for detection of buried land mines using the mutual coupling effect. Mutual coupling among the edges of a patch or among the edges or nearby patches can influence the performance of microstrip antennas and arrays. The finite-difference time-domain method (FDTD) is used. The patch array antennas (sensor) have been simulated to detect various types of targets (Nylon plate, Stycast plate, and Metal plate targets) in different types of soil properties.