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PPP-BOTDA technology (Patent pending)
Verification test
 Step-wise strain distribution applied. |
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 Test1: result with BOTDA |
 Test2: result with PPP-BOTDA |
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Spectrum at each A, B, C points All states clearly distinguishable with PPP-BOTDA (right), while old (BOTDA) technology fails to detect A, B, C states (left figure). |
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