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What is the difference between 2D and 3D data?

2D Data are collected over single lines and give you a B-scan or radargram of the specific profile the radar has covered. The B-scan is a graphical representation of radar data (sequence of A-scans or traces) on an x-axis which represents the distance and a z-axis which represents depth (or time). 3D data are collected over an area (e.g., using a grid of specific dimensions) and result in a data cube with two directional axis (x and y) and one depth axis (z). Such data cube is often sliced on different planes (C-scans) during data visualization. The most intuitive of those are horizontal cuts (top-down view) called time or depth-slices which are often used for interpreting subsurface targets.

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