Effects of Intermediate Frequency Bandwidth on Stepped Frequency Ground Penetrating Radar
Wenhao Luo, Hai-Han Sun, Yee Hui Lee, Abdulkadir C. Yucel, Genevieve, Ow, Mohamed Lokman Mohd Yusof
TL;DR
This paper investigates how the intermediate frequency bandwidth (IFBW) in a stepped frequency ground penetrating radar affects detection performance, demonstrating that optimal IFBW improves signal-to-noise ratio and object detectability in high permittivity soils.
Contribution
It provides experimental analysis of the impact of IFBW on GPR detection capabilities, highlighting the importance of bandwidth selection for enhanced object detection.
Findings
Optimal IFBW improves SNR in GPR systems
Different materials are detectable with appropriate IFBW
IFBW influences detection clarity in high permittivity soils
Abstract
A stepped frequency ground penetrating radar (GPR) system is used for detecting objects buried under high permittivity soil. Different intermediate frequency bandwidth (IFBW) of the mixing receiver is used and measurement results are compared. It is shown that the IFBW can affect the system's signal-to-noise ratio (SNR). Experimental results show that objects of different materials can clearly be detected when the appropriate IFBW is used.
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