Abstract
Ground Penetrating Radar is a complex non destructive evaluation technique where the antenna is the most critical part. The antenna is responsible for transmition and reception of waves at the proper level and frequencies defined in the GPR system specifications. Important GPR features such as resolution and penetration depth depend on its characteristics. In this context, this work outlines the fundamental GPR system theory in order to discuss procedures for improving antenna design and optimization for GPR applications.
Highlights
Nondestructive evaluation (NDE) is the process of inspecting, testing, or evaluating materials, components or assemblies for discontinuities, or variations in characteristics without affecting the serviceability of the system itself
Imaging is achieved through data processing of the wave launched at and the wave reflected from the structure under test
The system configuration directly affects the performance of the nondestructive testing (NDT) assessment
Summary
Abstract—Ground Penetrating Radar is a complex nondestructive evaluation technique where the antenna is the most critical part. The antenna is responsible for transmission and reception of waves at the proper level and frequencies defined in the GPR system specifications. Important GPR features such as resolution and penetration depth depend on its characteristics. In this context, this work outlines the fundamental GPR system theory in order to discuss procedures for improving antennas to GPR applications. Recent works regarding GPR antenna optimization are reviewed and placed in the context of a framework for GPR antenna design and optimization
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