The background model used is a rectangular object with dry sandy soil material while the embedded object chosen is a rectangular iron object. The antenna used in the simulation model is a Dipole antenna which operates at 70 MHz until 80 MHz. This paper focuses on the analysis of signal processing of Pulse Modulation (PM) GPR system based on phase and envelope detector (ED) technique to detect and estimate the depth of embedded object in 3 dimension model of GPR system simulation designed using CST Studio Suite software. This system use reflection of electromagnetic wave technique, which will be generated towards the ground and detected back using antenna. ![]() Ground Penetrating Radar (GPR) system is a system used to detect and locate underground embedded objects which are based on the principles of RADAR. The embedded iron object in the GPR system simulation can be seen clearly by using this 3D image. ![]() In addition, the simulation result has successfully developed a 3D model image of the GPR system using output signal of the Horn antenna. The simulation results show that the output signal of the Horn antenna can be used in detecting embedded object which are made from material of wood and iron. A model of a Horn antenna has been designed using the CST software before the GPR's system simulation modeled by adding a model of background in front of the Horn antenna. CST and MATLAB Software are used in this GPR system simulation. The electromagnetic wave signal in this simulation is produced by current signal of an antenna which having a shape of modulation of Gaussian pulse which is having spectrum from 8 GHz until 12 GHz. In this study, a GPR system was studied by means of simulation using a Horn antenna as a transceiver antenna. ![]() The technique used by the GPR system is by measuring the reflection of electromagnetic wave signal produced and detected by antenna which is known as the transmitter and the receiver antenna. This system is classified as a non-destructive technique (NDT) where the ground areas need not to be excavated. ![]() Detection of underground object can be made using a GPR system.
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