3D-PTV Schemes
Several versions of 3D-PTV schemes exist. Most of these utilize either 3 CCDs or 4 CCDs. A photograph of a 4 CCD system at ETH Zurich is shown below.
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“Science is a dynamic undertaking directed to lowering the degree of the empiricism involved in solving problems; or, if you prefer, science is a process of fabricating a web of interconnected concepts and conceptual schemes arising from experiments and observations and fruitful of further experiments and observations.”
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