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Pulse Radar vs Stepped Frequency: which is really multi-frequency? | Ground Penetrating Radar (GPR)

by Dan Bigman | Feb 1, 2018 | Sensors

I have had several people reach out lately that were frustrated when dealing with GPR manufacturers and distributors. They asked about multi-frequency systems, and had several different manufacturers that indicated they made multi-frequency gpr systems but each...

What is a Hilbert Transform in GPR? | Ground Penetrating Radar

by Dan Bigman | Dec 5, 2017 | Data Interpretation, Data Processing

What is a hilbert transform for GPR data? This is a question asked by one of the LearnGPR community. Hilbert Transform is a process that creates an envelope of the GPR trace where the positive and negative polarity amplitude responses of a reflection event get...

Where to measure your GPR target’s depth (Ground Penetrating Radar)

by Dan Bigman | Oct 2, 2017 | Data Interpretation

I recently returned from a trip to Australia where I educated a bunch of Utility Locators in GPR. I did a presentation at a conference, a workshop, a 3 day bootcamp, and a coaching session. Throughout this amazing trip I had three people ask me the same...

Benefits of 1D Ground Penetrating Radar (GPR) Data

by Dan Bigman | Dec 22, 2016 | Data Interpretation

In this video I discuss 2 benefits of 1-dimensional GPR data…you know…the squiggle line on the side of your console. This line can tell you a lot about what is going on at the ground surface and below it. First, it can show you changes in the reflection...

How Does Ground Penetrating Radar (GPR) Distinguish Between Rebar and Voids In Concrete?

by Dan Bigman | Sep 8, 2016 | Civil Engineering, Concrete Scanning, Damage Prevention, Data Interpretation

Recent Posts

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